Acetamide for synthesis 82234305001730 500 g 29241900 840 Acetanilide for synthesis 8.22344.0521 500 g 29242910 1000 Acetic acid (glacial) 100% anhydrous for analysis EMSURE ACS, ISO,Reag. Ph Eur 1.00063.1000 1 L 29152100 5460 1.00063.2500 2.5 L 29152100 10710 1.00063.2511 2.5 L 29152100 9840 1.00063.1011 1 L 29152100 5030 1.00063.2510 2.5 L 29152100 11150 Acetic Acid for chromatography 61866510001730 1 lit 29152100 900 Acetic acid glacial 100% (aldehyde free) GR 61784325001730 2.5 Lt 29152100 1540 61784305001730 500 ml 29152100 430 Acetic acid glacial 100% for analysis EMPARTA 1.93002.2521 2.5 Lt 29152100 1450 1.93002.0521 500 ml 29152100 390 1.93002.9026 25 lit 29152100 POR Acetic acid glacial 100% GR 25 L 60006390251730 25 Lt 29152100 POR Acetic acid glacial 99-100% EMPLURA 1.93402.2521 2.5 Lt 29152100 980 1.93402.9026 25 lit 29152100 POR 1.93402.0521 500 ml 29152100 320 Acetone for chromatography 60002010001730 1 lit 29141100 950 60002025001730 2.5 Lt 29141100 1960 Acetonitrile EMPLURA 1.15500.2521 2.5 Lt 29269000 2200 1.15500.0521 500 ml 29269000 580 Acetonitrile for analysis 1.07031.9221 200 lit 29269000 POR 1.07031.2521 2.5 Lt 29269000 2300 1.07031.0521 500 ml 29269000 590 1.07031.9027 25 lit 29269000 POR Acetonitrile for analysis EMSURE ACS, Reag. Ph Eur 1.00003.2500 2.5 L 29269070 10410 1.00003.1000 1 L 29269070 4980 Acetonitrile for chromatogra 2,5 L 61803025001730 2.5 Lt 29269000 2480 Acetonitrile Gradient grade for chromatography 61830025001730 2.5 Lt 29269000 2650 61830010001730 1 lit 29269000 660 Acetophenone for synthesis 8.00028.0521 500 ml 29143910 760 8.00028.2521 2.5 Lt 29143910 3000 Acetyl chloride for analysis EMPARTA 1.94974.0521 500 ml 29159010 670 1.94974.2521 2.5 Lt 29159010 2950 Aluminium nitrate nonahydrate EMPLURA 1.93705.0521 500 g 28342990 290 Aluminium nitrate nonahydrate for analysis EMSURE 1.01063.0500 500 G 28342980 7090 Aluminium nitrate nonahydrate GR 10106305001730 500 g 28342990 3970 Aluminium oxide active neutral activity I-II acc. to Brokemann 61768490261730 25 kg 28182010 POR 61768405001730 500 g 28182010 480 Aluminium sulfate 16-hydrate for analysis 1.93275.0521 500 g 28332210 320 1.93275.5021 5 kg 28332210 2390 61757290511730 50 kg 28332210 POR 61757205001730 500 g 28332210 260 1-Amino-2-hydroxy-4-naphthalenesulfonic acid for analysis 1.94931.0121 100 g 29222130 1530 1-Amino-2-naphthol-4-sulfonic acid Extra Pure 61808201001730 100 g 29222130 1120 61808200251730 25 g 29222130 380 4-Aminoantipyrine Pure 61782901001730 100 g 29331100 3440 61782900251730 25 g 29331100 860 Aonia buffer solution Reagents & Chemicals 1.93402.9121 100 lit 29152100 POR Aceto Carmine for Microscopy 100 ML 61863101001730 100 ml 32030090 1080 Acetone EMPLURA 1.94500.2521 2.5 Lt 29141100 1260 1.94500.9027 25 lit 29141100 POR 1.94500.0521 500 ml 29141100 350 1.94500.9221 200 lit 29141100 POR Acetone for analysis 1.07021.2521 2.5 Lt 29141100 1470 1.07021.0521 500 ml 29141100 440 1.07021.9027 25 lit 29141100 POR 1.07021.9221 200 lit 29141100 POR Acetone for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.00014.2500 2.5 L 29141100 10100 1.00014.1000 1 L 29141100 4840 1.00014.2511 2.5 L 29141100 9180 Acetylacetone EMPLURA 1.94515.0521 500 ml 29143910 1930 1.94515.2521 2.5 Lt 29143910 8550 Acrylic acid for synthesis 61771990251730 25 lit 29161100 POR 61771925001730 2.5 Lt 29161100 1380 61771905001730 500 ml 29161100 820 Adipic acid EMPLURA 1.94982.0521 500 g 29171200 700 1.94982.9051 50 kg 29171200 POR Aluminium aonium sulfate dodecahydrate for analysis 1.93282.0521 500 g 28333090 450 1.93282.5021 5 kg 28333090 1920 Aluminium aonium sulfate dodecahydrate for analysis EMSURE ACS 1.01031.0500 500 G 28333000 6760 Aluminium chloride anhydrous powder sublimed for synthesis 61759205001730 500 ml 38220090 220 Aonia solution 25% for analysis EMPARTA 1.93100.9121 100 lit 28142000 POR 1.93100.2521 2.5 Lt 28142000 610 1.93100.9026 25 lit 28142000 POR 1.93100.5021 5 lit 28142000 880 1.93100.0521 500 ml 28142000 230 Aonia solution 25% for analysis EMSURE 1.05432.1000 1 L 28142000 2160 1.05432.1011 1 L 28142000 1820 1.05432.2500 2.5 L 28142000 4130 1.05432.5000 5 L 28142000 6580 Aonia solution 28-30% for analysis EMPARTA 1.93101.0521 500 ml 28142000 270 1.93101.2521 2.5 Lt 28142000 770 Aonia solution 28-30% for analysis EMSURE ACS, Reag. Ph Eur 1.05423.1000 1 L 28142000 2390 1.00014.1011 1 L 29141100 4420 8.01081.0251 250 g 28273200 340 1.05423.2500 2.5 L 28142000 4550 27

Part 1 Analytical & Chemistry Aonia solution about 25% EMPLURA 1.93500.5021 5 lit 28142000 800 1.93500.2521 2.5 Lt 28142000 600 1.93500.0521 500 ml 28142000 210 1.93500.9026 25 lit 28142000 POR 1.93500.9121 100 lit 28142000 POR Aonium acetate EMPLURA 1.93617.0521 500 g 29152990 370 1.93617.9051 50 kg 29152990 POR 1.93617.5021 5 kg 29152990 2310 Aonium acetate for analysis 1.93217.0521 500 g 29152990 460 1.93217.9051 50 kg 29152990 POR 1.93217.5021 5 kg 28142000 3210 Aonium acetate for analysis EMSURE ACS, Reag. Ph Eur 1.01116.0500 500 G 29152900 5570 1.01116.1000 1 KG 29152900 7140 1.01116.5000 5 KG 29152900 24980 Aonium acetate for Chromatography LiChropur 61855405001730 500 g 29152990 880 Aonium carbonate EMPLURA 1.93673.0521 500 g 28369990 370 1.93673.5021 5 kg 28369990 2850 1.93673.9026 25 kg 28369990 POR Aonium carbonate for analysis EMSURE ACS, Reag. Ph Eur 1.59504.0250 250 G 28369917 2750 1.59504.1000 1 KG 28369917 6880 Aonium carbonate GR 61873602501730 250 g 28369990 510 Aonium cerium (IV) nitrate for analysis 1.93310.0121 100 g 28461090 1650 Aonium cerium (IV) nitrate for analysis EMSURE ACS,Reag. Ph Eur 1.02276.0100 100 G 28461000 14990 1.02276.1000 1 KG 28461000 83250 Aonium cerium (IV) sulfate dihydrate for analysis 1.93296.0121 100 g 28461090 2560 1.93296.0521 500 g 28461090 9550 Aonium cerium (IV) sulfate dihydrate for analysis EMSURE ACS 1.02273.0100 100 G 28461000 14290 Aonium chloride EMPLURA 1.93621.0521 500 g 28271000 330 1.93621.9051 50 kg 28271000 POR 1.93621.5021 5 kg 28271000 1340 Aonium chloride for analysis 1.93221.0521 500 g 28271000 450 1.93221.5021 5 kg 28271000 3330 1.93221.9051 50 kg 28271000 POR Aonium chloride for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.01145.0500 500 G 28271000 4420 1.01145.1000 1 KG 28271000 6790 1.01145.5000 5 KG 28271000 23770 Aonium dichromate EMPLURA 1.94959.0521 500 g 28415090 840 1.94959.5021 5 kg 28415090 7780 Aonium dihydrogen phosphate EMPLURA 1.93613.0521 500 g 31053000 550 1.93613.9051 50 kg 31053000 POR Aonium dihydrogen phosphate for analysis 1.93213.0521 500 g 31053000 590 1.93213.5021 5 kg 31053000 4890 Aonium dihydrogen phosphate for analysis EMSURE ACS, Reag. Ph Eur 1.01126.0500 500 G 31051000 2970 EMSURE ACS 1.01164.0250 250 G 28261910 8620 1.01164.1000 1 KG 28261910 21540 61774005001730 500 g 28261990 840 Aonium heptamolybdate tetrahydrate EMPLURA 1.93602.0251 250 g 28417090 3890 1.93602.0121 100 g 28417090 1590 1.93602.1021 1 kg 28417090 12110 Aonium heptamolybdate tetrahydrate for analysis 1.93202.1021 1 kg 28417090 13050 1.93202.0121 100 g 28417090 1950 EMPARTA 1.93229.0521 500 g 28261990 650 1.93229.9051 50 kg 28261990 POR di-aonium hydrogen phosphate for analysis 1.93284.0521 500 g 31053000 600 di-aonium hydrogen phosphate for analysis EMSURE ACS, Reag. Ph Eur 1.01207.0500 500 G 31051000 3870 61757805001730 500 g 31053000 560 Aonium iron (III) sulfate dodecahydrate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.03776.0500 500 G 28333000 4170 1.03776.1000 1 KG 28333000 6420 1.03776.5000 5 KG 28333000 22450 Aonium iron(ii) sulfate he 1.93641.5021 5 kg 28429090 1860 1.93241.5021 5 kg 28429090 1650 Aonium iron(ii) sulfate hexahydrate EMPLURA 1.93641.0521 500 g 28332910 250 Aonium iron(ii) sulfate hexahydrate for analysis 1.93241.0521 500 g 28332910 430 Aonium iron(ii) sulfate hexahydrate for analysis EMSURE ISO 1.03792.0500 500 G 28429080 6330 1.03792.1000 1 KG 28429080 9750 1.03792.5000 5 KG 28429080 27280 Aonium iron(iii) sulfate dodecahydrate EMPLURA 1.93690.0521 500 g 28333020 360 di-aonium oxalate monohydrate for analysis 1.93281.0521 500 g 29171190 500 1.93281.5021 5 kg 29171190 4330 di-aonium oxalate monohydrate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.01192.0250 250 G 29171100 3680 1.01192.1000 1 KG 29171100 9200 61756905001730 500 g 29171190 460 Aonium peroxodisulfate EMPLURA 1.93628.0521 500 g 28334000 450 Aonium peroxodisulfate for analysis 1.93228.0521 500 g 28334000 500 1.93228.5021 5 kg 28334000 3840 Aonium peroxodisulfate for analysis EMSURE ACS, Reag. Ph Eur 1.01201.0500 500 G 28334000 3270 1.01201.1000 1 KG 28334000 5040 1.01201.5000 5 KG 28334000 17640 28 For information logon to www.merckmillipore.com www.sigmaaldrich.com

Aonium sulfate EMPLURA 1.93646.9051 50 kg 31022100 POR 1.93646.0521 500 g 31022100 210 1.93646.5021 5 kg 31022100 1250 Aonium sulfate for analysis 1.93246.9051 50 kg 31022100 POR 1.93246.0521 500 g 31022100 270 1.93246.5021 5 kg 31022100 1860 Aonium sulfate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.01217.5000 5 KG 31051000 16250 1.01217.1000 1 KG 31051000 4650 1.01217.0100 100 G 31051000 2780 Aonium thiocyanate EMPLURA 1.93659.0521 500 g 28429090 610 Aonium thiocyanate for analysis EMPARTA ACS 1.93259.0521 500 g 28429090 850 Aonium thiocyanate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.01213.0500 500 G 28429080 7430 n-amyl Alchol for synthesis 80750005001730 500 ml 29051990 1980 Antimony(III) oxide for analysis EMPARTA 1.93911.5021 5 kg 28258000 16290 1.93911.0521 500 g 28258000 1940 Ascorbic acid EMPLURA 1.93410.0521 500 g 29362700 4550 1.93410.5021 5 kg 29362700 22880 1.93410.9026 25 kg 29362700 POR Ascorbic acid for analysis 1.93010.9026 25 kg 29362700 POR 1.93010.0121 100 g 29362700 1320 1.93010.0521 500 g 29362700 4620 1.93010.5021 5 kg 29362700 19390 L(+)-ascorbic acid for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.00468.0100 100 G 29362700 4870 1.00468.0500 500 G 29362700 16440 1.00468.1000 1 KG 29362700 27860 Barium bromide Pure 61810805001730 500 g 28275990 1220 Barium carbonate EMPLURA 1.93677.0521 500 g 28366000 580 1.93677.5021 5 kg 28366000 4850 Barium carbonate for analysis EMSURE ACS, Reag. Ph Eur Barium sulfate PFD 500 G 61792605001730 500 g 28332700 330 Benedict s reagent (qualitative) 61840005001730 500 ml 38220090 230 Benzaldehyde for synthesis 8.01756.0521 500 ml 29122100 630 8.01756.2521 2.5 Lt 29122100 2360 Benzalkonium chloride (50% aqueous solution) EMPLURA 1.94984.1021 1 lit 34021200 850 Benzene EMPLURA 1.01782.2521 2.5 Lt 29022000 1420 1.01782.0521 500 ml 29022000 360 1.01782.9027 25 lit 29022000 POR Benzene for analysis 1.07033.2521 2.5 Lt 29022000 1670 1.07033.0521 500 ml 29022000 440 Benzene for Chromatography 61872610001730 1 lit 29022000 1020 Benzoic acid EMPLURA 1.93420.0521 500 g 29163110 480 1.93420.5021 5 kg 29163110 4550 Benzoic acid for analysis Reagents & Chemicals n-amyl alcohol (pentan-1-ol) for analysis EMSURE 1.00975.1000 1 L 29051900 6000 1.00975.2500 2.5 L 29051900 12470 Aniline for synthesis 8.22256.0521 500 ml 29214110 670 8.22256.2521 2.5 Lt 29214110 2940 Aniline for analysis 1.94610.0521 500 ml 29214110 700 1.94610.2521 2.5 Lt 29214110 2820 1.01714.0250 250 G 28366000 8470 1.01714.1000 1 KG 28366000 21190 Barium chloride dihydrate EMPLURA 1.93658.0521 500 g 28273990 340 1.93658.5021 5 kg 28273990 2730 Barium chloride dihydrate for analysis 1.93258.0521 500 g 28273990 380 Barium chloride dihydrate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.01719.0500 500 G 28273985 4050 1.93020.0521 500 g 29163110 2010 Benzoic acid for analysis EMSURE Reag. Ph Eur 1.00136.0100 100 G 29163100 3200 1.00136.0250 250 G 29163100 3590 1.00136.1000 1 KG 29163100 8870 p-benzoquinone 8.02410.0521 500 g 29146990 4430 8.02410.5021 5 kg 29146990 34130 1-Benzotriazole for analysis EMPARTA 1.94915.1021 1 kg 29339900 20190 Aniline for analysis EMSURE 1.01719.1000 1 KG 28273985 6230 Benzoyl chloride for analysis 1.01261.1000 1 L 29214100 8540 1.01719.5000 5 KG 28273985 21820 1.94946.0521 500 ml 29163200 870 Antimony (III) chloride EMPLURA Barium hydroxide octahydrate EMPLURA 1.94946.2521 2.5 Lt 29163200 3520 1.94951.0251 250 g 28273990 1490 1.93656.5021 5 kg 28164000 2210 Benzyl alcohol EMPLURA 1.94951.5021 5 kg 28273990 22420 1.93656.0521 500 g 28164000 280 1.94503.2521 2.5 Lt 29062100 2240 Antimony (III) oxide for analysis EMSURE 1.07836.0100 100 G 28258000 4480 1.07836.1000 1 KG 28258000 29930 Antimony(III) chloride for analysis EMSURE ACS 1.07838.0250 250 G 28273985 15290 1.07838.1000 1 KG 28273985 38210 Barium hydroxide octahydrate GR 10173705001730 500 g 28164000 2920 61759405001730 500 g 28342930 370 Barium sulfate for analysis EMPARTA 1.93236.0521 500 g 28332700 320 1.93236.9026 25 kg 28332700 POR 1.94503.0521 500 ml 29062100 650 Benzyl alcohol for analysis 1.94603.2521 2.5 Lt 29062100 2850 1.94603.0521 500 ml 29062100 720 Benzyl alcohol for analysis EMSURE 1.09626.1000 1 L 29062100 8100 1.09626.2500 2.5 L 29062100 16870 29

Part 1 Analytical & Chemistry 61762401001730 100 g 28342990 670 Bismuth(III) nitrate pentahydrate for analysis 1.93300.0121 100 g 28342990 910 Boric Acid Crystal Pure 5 KG 61765450001730 5 Kg 28100020 2830 Boric acid for analysis 1.93009.0521 500 g 28100020 810 1.93009.5021 5 kg 28100020 5180 Boric acid powder EMPLURA 1.93409.9054 50 kg 28100020 POR Boric acid powder EMPLURA 1.93409.0521 500 g 28100020 510 1.93409.9051 50 kg 28100020 POR 1.93409.5021 5 kg 28100020 3990 synthesis 8.01647.0521 500 ml 29420090 3660 8.01647.2521 2.5 Lt 29420090 11990 Brij 35 61799005001730 500 g 34021300 1470 Brilliant blue R 250 (C.I.42660) Coomassie for electrophoresis 11255300051730 5 g 32041252 1490 Brilliant green stain powder 61801800251730 25 g 32041361 250 Bromine for analysis 1.93901.0121 100 ml 28013020 1370 Bromocresol green 0.04% indicator solution 61840201251730 125 ml 29349900 160 Bromocresol green indicator ph 3.6-5.2 61840100051730 5 g 29349900 820 Bromoform for analysis 1.94906.0251 250 ml 29033020 4350 Bromoform for separation of minerals 10194402501730 250 ml 29033020 4420 Bromophenol blue 0.04% indicator solution 61840401251730 125 ml 29349900 160 Bromophenol blue indicator ph 3.0-4.6 61828700051730 5 g 29349900 270 Bromothymol blue 0.04% indicator solution 61840501251730 125 ml 29349900 160 Bromothymol blue indicator for analysis 1.93321.0026 25 g 29349900 1140 Buffer capsules ph 4.00 ± 0.05 61769200011730 10 caps 38220090 230 Buffer capsules ph 7.00 ± 0.05 61769300011730 10 caps 38220090 230 Buffer capsules ph 9.20 ± 0.05 61769400011730 10 caps 38220090 230 Buffer solution ph 10.00 61914205001730 500 ml 38220090 1070 Buffer Solution ph 2 500 ML 61913905001730 500 ml 38220090 930 Buffer solution ph 4.00 61913605001730 500 ml 38220090 1070 Buffer solution ph 7.00 61913705001730 500 ml 38220090 1070 Buffer solution ph 9.00 61913805001730 500 ml 38220090 1070 Buffer-Titrisol for 500 ml buffer solution ph 7.0±0.02 (20 C)(phosphate) 60988700011730 3 a 38220090 380 1-Butanesulfonic acid sod. salt LiChropur 11830300251730 25 g 29041090 1560 1-Butanol EMPLURA 1.94502.2521 2.5 Lt 29051300 1480 1.94502.0521 500 ml 29051300 410 1.94502.9027 25 lit 29051300 POR 1.94502.9221 200 lit 29051300 POR 1-Butanol for analysis 1.07035.0521 500 ml 29051300 500 1.07035.2521 2.5 Lt 29051300 1670 1-Butanol for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.01990.1000 1 L 29051300 5690 1.01990.2500 2.5 L 29051300 11850 tert-butanol EMPLURA 8.22264.0521 500 ml 29051300 450 8.22264.2521 2.5 Lt 29051300 1790 tert-butanol for analysis EMSURE ACS, Reag. Ph Eur 1.09629.0500 500 ML 29051410 4800 1.09629.5000 5 L 29051410 28000 tert-butyl methyl ether EMPLURA 1.01843.2521 2.5 Lt 29091900 3090 1.01843.0521 500 ml 29091900 800 1.01843.9027 25 lit 29091900 POR 1.01843.9221 25 Lt 29091900 POR tert-butyl methyl ether for analysis EMSURE ACS 1.01849.1000 1 L 29091990 6620 1.01849.2500 2.5 L 29091990 13120 tert-butyl Methyl Ether for Chromatography 61861510001730 1 lit 29091900 2600 2-tert-Butyl-4-methoxyphenol for synthesis (BHA) 8.20246.0521 500 g 29071990 4260 n-butyl acetate EMPLURA 1.01974.2521 2.5 Lt 29153300 1590 1.01974.9027 25 lit 29153300 POR 1.01974.0521 500 ml 29153300 410 n-butyl acetate for analysis EMSURE 1.09652.1000 1 L 29153300 4430 1.09652.2500 2.5 L 29153300 9210 Cadmium chloride hemipentahydrate for analysis 1.93715.0121 100 g 28273990 810 61759705001730 500 g 28342990 1290 Cadmium sulfate hydrate Pure 61812705001730 500 g 28332990 1620 Caffeine for analysis EMPARTA 1.94944.0121 100 g 29393000 610 1.94944.1021 1 kg 29393000 4490 Calcium carbonate precipitated EMPLURA 1.93666.9026 25 kg 28365000 POR 1.93666.0521 500 g 28365000 260 1.93666.5021 5 kg 28365000 2010 Calcium carbonate precipitated for analysis EMSURE Reag. Ph Eur 1.02066.0250 250 G 28365000 4860 1.02066.1000 1 KG 28365000 12130 Calcium chloride dihydrate 1.93233.5021 5 kg 28272000 9550 Calcium chloride dihydrate EMPLURA 1.93633.0521 500 g 28272000 300 1.93633.9051 50 kg 28272000 POR 1.93633.9026 25 kg 28272000 POR Calcium chloride dihydrate for analysis 1.93233.0521 500 g 28272000 1290 30 For information logon to www.merckmillipore.com www.sigmaaldrich.com

Calcium chloride dihydrate for analysis EMSURE ACS, Reag. Ph Eur 1.02382.0500 500 G 28272000 5130 1.02382.0250 250 G 28272000 3790 1.02382.1000 1 KG 28272000 7900 1.02382.5000 5 KG 28272000 27620 Calcium chloride fused EMPLURA 1.93634.0521 500 g 28272000 260 1.93634.9026 25 kg 28272000 POR 1.93634.5021 5 kg 28272000 2130 Calcium hydroxide for analysis 1.93274.0521 500 g 28259040 1840 Calcium hydroxide for analysis EMSURE ACS, Reag. Ph Eur 1.02047.0500 500 G 28259019 4030 1.02047.1000 1 KG 28259019 6180 Calcium nitrate tetrahydrate EMPLURA 1.93708.0521 500 g 28342990 230 Calcium nitrate tetrahydrate for analysis EMSURE ACS 1.02121.0500 500 G 28342980 4700 Calcium oxide powder 61863905001730 500 g 28259090 370 Calcium sulfate dihydrate precipitated EMPLURA 1.93636.0521 500 g 28332990 380 1.93636.9026 25 kg 28332990 POR Calcium sulfate dihydrate precipitated for analysis EMSURE 1.02161.0500 500 G 28332980 3260 Carbol fuchsin (Ziehl & Neelsen stain solution) dilute for microscopy 61828901251730 125 ml 38220090 160 Carbol fuchsin (Ziehl & Neelsen stain solution) strong for microscopy 61802901251730 125 ml 38220090 180 EMPLURA 1.94513.0521 500 ml 28131000 810 1.94513.2521 2.5 Lt 28131000 3020 61875205001730 500 ml 28131000 890 Carboxymethylcellulose sodium salt for analysis EMPARTA 1.94943.0521 500 g 39123100 1010 1.94943.5021 5 kg 39123100 10840 Cedar wood oil for microscopy 61791700251730 25 ml 38220090 1190 Celite 545 61799410001730 1 kg 38029019 1090 Cellulose microcrystalline powder for TLC 61860205001730 500 g 39123919 900 61792501001730 100 g 28276090 450 Charcoal activated 61750590251730 25 kg 38021000 POR 61750550001730 5 kg 38021000 3060 61750590261730 25 kg 38021000 POR 61750505001730 500 g 38021000 470 Charcoal activated for soil tests 61772305001730 500 g 38021000 1890 61772302501730 250 g 38021000 1030 61772301001730 100 g 38021000 530 4-Chloro-3-methylphenol for synthesis 8.02295.0521 500 g 29081900 2240 Chlorobenzene EMPLURA 1.94966.2521 2.5 Lt 29039110 1870 1.94966.0521 500 ml 29039110 500 Chlorobenzene for analysis 1.94916.0521 500 ml 29039110 540 Chlorobenzene for analysis 1.94916.2521 2.5 Lt 29039110 2050 Chloroform EMPLURA 1.94506.2521 2.5 Lt 29031300 1430 1.94506.0521 500 ml 29031300 370 1.94506.9221 200 lit 29031300 POR Chloroform for analysis 1.07024.2521 2.5 Lt 29031300 1720 1.07024.0521 500 ml 29031300 480 Chloroform for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.02445.1000 1 L 29031300 9040 1.02445.2500 2.5 L 29031300 18800 Chloroform for Chromatography 60244410001730 1 lit 29031300 1100 Chloroform FS 25LTR 82226590251730 25 Lt 29031300 POR N-Chlorosuccinimide pure 61911902501730 250 g 29251900 1700 Chromium(VI) oxide EMPLURA 1.94963.0521 500 g 28199000 1010 1.94963.9026 25 kg 28191000 POR 1.94963.5021 5 kg 28191000 8630 Chromium(VI) oxide for analysis EMSURE 1.00229.0250 250 G 28191000 6850 Cinnamic acid for synthesis 80023502501730 250 g 29163910 970 Citric acid anhydrous EMPLURA 1.93427.0521 500 g 29181400 440 1.93427.5021 5 kg 29181400 3550 1.93427.9026 25 kg 29181400 POR Citric acid anhydrous for analysis EMPARTA ACS 1.93026.0521 500 g 29181400 760 1.93026.5021 5 kg 29181400 6440 Citric acid monohydrate EMPLURA 1.93411.9051 50 kg 29181400 POR 1.93411.0521 500 g 29181400 360 1.93411.5021 5 kg 29181400 2420 Citric acid monohydrate for analysis EMPARTA ACS 1.93011.0521 500 g 29181400 660 1.93011.5021 5 kg 29181400 4260 Citric acid monohydrate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.00244.0500 500 G 29181400 3510 1.00244.1000 1 KG 29181400 5970 1.00244.5000 5 KG 29181400 22240 Cobalt (II) acetate tetrahydrate EMPLURA 1.93707.0521 500 g 29152990 4280 Cobalt (II) acetate tetrahydrate for analysis EMSURE ACS 1.02529.0100 100 G 29152900 29610 Cobalt (II) chloride hexahydrate EMPLURA 1.93652.0521 500 g 28274190 4340 1.93652.0121 100 g 28274190 1060 Cobalt (II) nitrate hexahydrate for analysis EMSURE 1.02536.0100 100 G 28342920 13440 1.02536.0250 250 G 28342920 22420 Cobalt (II) sulfate heptahydrate EMPLURA 1.93694.0521 500 g 28332990 4100 1.93694.9051 50 kg 28332990 POR 1.93694.5021 5 kg 28332990 23560 Cobalt (II) sulfate heptahydrate for analysis EMSURE 1.02556.0100 100 G 28332930 13440 1.02556.0250 250 G 28332930 22420 Reagents & Chemicals 31

Part 1 Analytical & Chemistry Cobalt(II) chloride hexahydrate for analysis EMSURE ACS, Reag. Ph Eur 1.02539.0100 100 G 28273930 28630 1.02539.0250 250 G 28273930 47700 Cobalt(II) nitrate hexahydrate EMPLURA 1.93675.0521 500 g 28342990 3350 1.93675.0121 100 g 28342990 830 Cobalt(II) nitrate hexahydrate for analysis (MAX. 0.001% NI) EMSURE ACS, Reag. Ph Eur 1.02554.0250 250 G 28342920 37370 Copper (II) chloride dihydrate EMPLURA 1.93691.0521 500 g 28274110 1070 1.93691.5021 5 kg 28273990 8820 Copper (II) chloride dihydrate for analysis EMSURE acs,reag. Ph Eur 1.02733.0250 250 G 28273985 4200 1.02733.1000 1 KG 28273985 10510 Copper (II) hydroxide carbonate EMPLURA 1.93711.0521 500 g 28369990 1460 Copper (II) nitrate trihydrate EMPLURA 1.93629.0521 500 g 28342990 1010 Copper (II) nitrate trihydrate for analysis EMPLURA 1.02753.0250 250 G 28342940 4340 1.02753.1000 1 KG 28342940 10830 Copper (II) oxide powder for analysis EMPLURA ACS 1.02766.0100 100 G 28255000 17380 1.02766.0500 500 G 28255000 57930 Copper (II) sulfate pentahydrate EMPLURA 1.93616.9051 50 kg 28332500 POR 1.93616.0521 500 g 28332500 700 1.93616.5021 5 kg 28332500 6100 Copper (II) sulfate pentahydrate for analysis 1.93216.0521 500 g 28332500 840 Copper (II) sulfate pentahydrate for analysis EMPLURA ACS, ISO, Reag. Ph Eur 1.02790.0250 250 G 28332500 3150 1.02790.1000 1 KG 28332500 7880 1.02790.5000 5 KG 28332500 27530 Copper(II) acetate monohydrate EMPLURA 1.93712.0521 500 g 29152990 1470 Copper(II) acetate monohydrate for analysis emsure acs 1.02711.0250 250 G 29152900 7420 Copper(II) oxide powder for analysis EMPARTA ACS 1.93231.0121 100 g 28255000 1080 Copper(II) sulfate pentahydrate for anal 1.93216.5021 5 kg 28332500 5980 m-cresol for analysis EMPARTA 1.94912.0521 500 ml 29071210 1590 1.94912.2521 2.5 Lt 29071210 6560 m-cresol for synthesis 8.09691.0521 500 ml 29071210 1300 8.09691.2521 2.5 Lt 29071210 5730 O-Cresol for Synthesis 80969205001730 500 g 29071210 780 Cupric oxide powder [copper (II) oxide] Pure 61814405001730 500 g 28255000 1770 1-2-Cyclohexylenedinitrilotetraacetic acid monohydrate for analysis 1.93316.0121 100 g 29224990 15820 1.93316.0026 25 g 29224990 5480 Cyclohexane EMPLURA 1.02832.2521 2.5 Lt 29029090 1850 1.02832.0521 500 ml 29029090 450 1.02832.9221 200 lit 29029090 POR 1.02832.9027 25 lit 29029090 POR Cyclohexane for analysis 1.07037.2521 2.5 Lt 29029090 2280 1.07037.0521 500 ml 29029090 580 Cyclohexane for analysis EMPLURA ACS, ISO, Reag. Ph Eur 1.09666.1000 1 L 29021100 5310 1.09666.2500 2.5 L 29021100 11040 1.09666.2511 2.5 L 29021100 10050 Cyclohexane for Chromatography 60282710001730 1 lit 29029090 1210 Cyclohexanone EMPLURA 1.02888.2521 2.5 Lt 29029090 2920 1.02888.9027 25 lit 29029090 POR 1.02888.0521 500 ml 29029090 720 D(-)-Fructose for analysis EMPARTA 1.94905.0251 250 g 17025000 570 D(+)-Glucose, anhydrous (Dextrose) for analysis 1.94925.0521 500 g 17023039 430 1.94925.5021 5 kg 17023039 2120 1.94925.9051 50 kg 17023039 POR D.P.X. mountant for microscopy 61803502501730 250 ml 29029090 410 61780990511730 50 kg 17023031 POR 61780905001730 500 g 17023031 370 61780950001730 5 kg 17023031 2460 61780910001730 1 kg 17023031 650 61780990261730 25 kg 17023031 POR 61797005001730 500 g 17023031 360 Dibutyl phthalate for analysis EMPARTA 1.94947.0521 500 ml 29173400 500 1.94947.2521 2.5 Lt 29173400 2190 1-2-Dichlorobenzene for extraction analysis EMPLURA 1.02930.1000 1 L 29039100 13710 1.02930.2500 2.5 L 29039100 23460 1-2-Dichlorobenzene for synthesis 61800410001730 1 lit 29039120 1200 1-4-Dichlorobenzene for synthesis 61828305001730 500 g 29039120 530 1-2-Dichloroethane for analysis 1.94607.0521 500 ml 29031500 460 1.94607.9027 25 lit 29031500 POR Dichloromethane EMPLURA 1.94508.2521 2.5 Lt 29031200 1540 1.94508.9027 25 lit 29031200 POR 1.94508.9221 200 lit 29031200 POR 1.94508.0521 500 ml 29031200 430 Dichloromethane for analysis 1.07020.2521 2.5 Lt 29031200 1810 1.07020.0521 500 ml 29031200 480 1.07020.9027 25 lit 29031200 POR Dichloromethane for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.06050.1000 1 L 29031200 5290 1.06050.2500 2.5 L 29031200 10970 Dichloromethane for Chromatography 60604410001730 1 lit 29031200 820 60604425011730 2.5 Lt 29031200 2120 Diethanolamine EMPLURA 1.94517.2521 2.5 Lt 29221210 2160 1.94517.0521 500 ml 29221210 560 Diethanolamine for analysis EMSURE 1.16205.1000 1 L 29221200 12590 Diethyl ether EMPLURA 1.00923.0521 500 ml 29091100 480 1.00923.2521 2.5 Lt 29091100 1820 32 For information logon to www.merckmillipore.com www.sigmaaldrich.com

Diethyl ether for analysis 1.07026.2521 2.5 Lt 29091100 2150 1.07026.0521 500 ml 29091100 570 Diethyl ether for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.00921.1000 1 L 29091100 6870 1.00921.2500 2.5 L 29091100 14290 Diethyl malonate GR 61911405001730 500 ml 29171970 1200 Diethyl phthalate for EMPLURA 1.94973.9026 25 lit 29173400 POR 1.94973.2521 2.5 Lt 29173400 2750 1.94973.0521 500 ml 29173400 600 Diethylamine for analysis 1.07041.0521 500 ml 29211190 570 1.07041.9027 25 lit 29211190 POR Diethylamine for Chromatography 61859810001730 1 lit 29211190 2920 Diethylene glycol EMPLURA 1.94986.2521 2.5 Lt 29053100 1990 3,5-Dihydroxytoluene monohydrate EMPLURA 1.94987.0011 10 g 29072990 1730 Diisopropyl ether EMPLURA 1.94521.2521 2.5 Lt 29091900 2290 Diisopropyl ether for analysis EMSURE ACS, Reag. Ph Eur 1.00867.1000 1 L 29091900 4520 1.00867.2500 2.5 L 29091990 9400 Diisopropylamine for synthesis 8.03646.2521 2.5 Lt 29211990 5160 8.03646.0521 500 ml 29211990 1280 Dimethyl sulfoxide EMPLURA 1.16743.2521 2.5 Lt 29309060 2210 1.16743.0521 500 ml 29309060 590 1.16743.9027 25 lit 29309060 POR Dimethyl sulfoxide for analysis 1.07046.2521 2.5 Lt 29309060 2310 1.07046.0521 500 ml 29309060 590 4-Dimethylaminobenzaldehyde for synthesis 80305701001730 100 g 29222990 1070 4-(Dimethylamino)benzaldehyde 1.94918.1021 1 Kg 29223900 8190 4-(Dimethylamino)benz-aldehyde for analysis 1.94918.0121 100 g 29222990 1230 N,N-Dimethylaniline for synthesis 8.03060.0521 500 ml 29214223 640 8.03060.2521 2.5 Lt 29214223 2820 N,N-Dimethylformamide EMPLURA 8.22275.2521 2.5 Lt 29241900 1530 8.22275.0521 500 ml 29241900 400 8.22275.9027 25 lit 29241900 POR 8.22275.9221 200 lit 29241900 POR N,N-Dimethylformamide for analysis EMPARTA ACS 1.03034.9221 200 lit 29241900 POR 1.03034.2521 2.5 Lt 29241900 1840 1.03034.9027 25 lit 29241900 POR 1.03034.0521 500 ml 29241900 440 N,N-Dimethylformamide for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.03053.1000 1 L 29241900 11940 1.03053.2500 2.5 L 29241900 24870 1.03053.2511 2.5 L 29241900 22650 1.03053.1011 1 L 29241900 10860 Dimethylglyoxime EMPLURA 1.94964.0121 100 g 29280090 590 Dimethylglyoxime GR 10306201001730 100 g 29280090 750 2,4-Dinitrophenylhydrazine Pure 61803400251730 25 g 29280090 280 1-4-Dioxane for analysis 1.07047.9027 25 lit 29329900 POR 1.07047.2521 2.5 Lt 29329900 3180 1.07047.0521 500 ml 29329900 720 1-4-Dioxane for analysis EMSURE ACS, ISO Diphenylamine for analysis 1.94917.0121 100 g 29214410 590 Diphenylamine for synthesis 82052802501730 250 g 29214410 970 Diphenylamine-4-sulfonic acid barium salt for analysis 1.93318.0026 25 g 29214410 1190 1-5-Diphenylcarbazide EMPLURA 1.94979.0026 25 g 29280090 1470 1-5-Diphenylcarbazide GR 61816400101730 10 g 29280090 910 2,6-Di-tert-butyl-4-methylphenol for synthesis (BHT) 8.22021.0521 500 g 29071990 1070 8.22021.5021 5 kg 29071990 8580 61791505001730 500 g 29224990 1430 61791590511730 50 kg 29224990 POR E.D.T.A. solution N/50 (0.02N) 61760405001730 500 ml 29221900 210 1.07025.2521 2.5 Lt 29321100 3150 1.07025.0521 500 ml 29321100 770 EMSURE ACS 1.00518.1001 1 L 28111980 12750 1.00518.2501 2.5 L 28111980 25000 Eosin yellowish (C.I. 45380, S. 881) indicator and for microscopy 60134500251730 25 g 32041949 300 Eriochrome black T (C.I. 14645) indicator for analysis 1.93320.0026 25 g 32041990 360 Eschka s mixture GR 10316202501730 250 g 38220090 26960 Ethanolamine for analysis 1.94612.2521 2.5 Lt 29221100 2060 Ethanolamine for analysis EMSURE 1.00845.1000 1 L 29221100 6700 Ethyl acetate EMPLURA Reagents & Chemicals Dimethyl sulfoxide for analysis EMSURE ACS 1.09671.1000 1 L 29329900 10120 1.94512.9027 25 lit 29153100 POR 1.02952.1000 1 L 29309080 12320 1.09671.0250 250 ML 29329900 2970 1.94512.2521 2.5 Lt 29153100 1120 1.02952.2500 2.5 L 29309098 27000 1.09671.2500 2.5 L 29329900 21020 1.94512.9221 200 lit 29153100 POR 1.02952.1011 1 L 29309085 11810 1-4-Dioxane for Chromatography 1.94512.0521 500 ml 29153100 350 1.02952.2511 2.5 L 29309085 24560 61864910001730 1 lit 29329900 1990 Ethyl acetate for analysis N,N-Dimethylacetamide for analysis EMPARTA 1.4-Dioxane EMPLURA 1.07048.2521 2.5 Lt 29153100 1460 1.94942.2521 2.5 Lt 29241900 2570 1.03115.0521 500 ml 29329900 700 1.07048.9027 25 lit 29153100 POR 1.94942.9026 25 lit 29241900 POR 1.03115.2521 2.5 Lt 29329900 2360 1.07048.0521 500 ml 29153100 380 33

Part 1 Analytical & Chemistry Ethyl acetate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.09623.1000 1 L 29153100 7890 1.09623.2500 2.5 L 29153100 18050 1.09623.2511 2.5 L 29153100 16430 Ethyl acetate for Chromatography 60086810001730 1 lit 29153100 810 60086825001730 2.5 Lt 29153100 2210 Ethyl acetoacetate for synthesis 8.09622.0521 500 ml 29183040 930 8.09622.2521 2.5 Lt 29183040 3740 Ethyl methyl ketone EMPLURA ** 1.06014.2521 2.5 Lt 29141200 3380 1.06014.9221 200 lit 29141200 POR 1.06014.9027 25 lit 29141200 POR 1.06014.0521 500 ml 29141200 890 Ethyl methyl ketone for analysis EMPARTA ACS ** 1.07049.0521 500 ml 29141200 920 1.07049.2521 2.5 Lt 29141200 3710 Ethylene glycol EMPLURA 1.00949.2521 2.5 Lt 29053100 1680 1.00949.0521 500 ml 29053100 450 1.00949.9027 25 lit 29053100 POR Ethylene glycol for analysis EMPARTA 1.94604.2521 2.5 Lt 29053100 1810 1.94604.9027 25 lit 29053100 POR 1.94604.0521 500 ml 29053100 540 Ethylene glycol for analysis EMSURE Reag. Ph Eur, Reag. USP 1.09621.1000 1 L 29053100 12180 1.09621.2500 2.5 L 29053100 25370 Ethylene glycol monoethyl ether for analysis EMPARTA 1.94919.2521 2.5 Lt 29094900 1490 Ethylene glycol monomethyl ether for analysis EMSURE ACS, Reag. Ph Eur 1.00859.1000 1 L 29094400 4830 1.00859.2500 2.5 L 29094400 10060 Ethylene glycol monomethyl ether for anaylsis 1.94609.2521 2.5 Lt 29094900 2080 Ethylenediamine for synthesis 8.00947.0521 500 ml 29212100 680 8.00947.2521 2.5 Lt 29212100 2710 Ethylenediaminetetraacetic acid di sodium salt dihydrate for analysis 1.93312.5021 5 kg 29224990 8310 1.93312.1021 1 kg 29224990 2070 1.93312.9051 50 kg 29224990 POR 1.93312.0121 100 g 29224990 340 Ethylenediaminetetraacetic acid for analysis 1.93314.0521 500 g 29224990 1090 (EDTA) Ethylenediaminetetraacetic acid calcium disodium salt dihydrate for analysis EMPARTA 1.93322.5021 5 kg 29224990 8320 1.93322.0521 500 g 29224990 1600 (EDTA) Ethylenediaminetetraacetic acid di potassium salt dihydrate for analysis EMPARTA 1.93313.0521 500 g 29224990 1460 Extran MA 01 alkaline (for industrial & laboratory cleaning) 60755550001730 5 lit 34022090 1440 60755590251730 25 lit 34022090 POR Extran MA 02 neutral (for cleaning laboratory glassware & instruments) 60755350001730 5 lit 34022090 1250 60755305001730 500 ml 34022090 280 60755390251730 25 lit 34022090 POR Extran cleaning work in laboratory) 61986750001730 5 lit 34022090 3680 61986705001730 500 ml 34022090 500 61986790251730 25 lit 34022090 POR Fast green (C.I. 42053) for microscopy 61816500051730 5 g 32041956 440 Fehling s solution A 61779705001730 500 ml 38220090 340 Fehling s solution B 61779805001730 500 ml 38220090 540 Ferroin indicator solution 61765601001730 100 ml 38220090 1020 Formaldehyde solution min. 37% (stabilized with about 10% methanol) EMPLURA 1.94989.5021 5 lit 29121100 1210 1.94989.9031 30 lit 29121100 POR 1.94989.0521 500 ml 29121100 260 1.94989.9121 100 lit 29121100 POR Formaldehyde solution min. 37% (stabilized with about 10% methanol) for analysis EMPARTA ACS 1.94900.0521 500 ml 29121100 380 1.94900.5021 5 lit 29121100 1620 1.94900.9031 30 lit 29121100 POR Formamide EMPLURA 1.04008.0521 500 ml 29241900 710 1.04008.2521 2.5 Lt 29241900 2240 Formamide for analysis EMSURE ACS, Reag. Ph Eur 1.09684.1000 1 L 29241900 6500 1.09684.2500 2.5 L 29241900 13550 Formic acid 85 % EMPLURA 1.93416.0521 500 ml 29151100 380 1.93416.2521 2.5 Lt 29151100 1630 Formic acid 89-91% for analysis EMSURE ACS 1.00253.1000 1 L 29151100 4450 Formic acid 98-100 % EMPLURA 1.93415.0521 500 ml 29151100 670 1.93415.9026 25 lit 29151100 POR Formic acid 98-100 % for analysis EMPARTA ACS 1.93015.0521 500 ml 29151100 770 Formic acid 98-100% for analysis EMSURE ACS, Reag. Ph Eur 1.00264.1000 1 L 29151100 4670 1.00264.0100 100 ml 29151100 3010 1.00264.1011 1 L 29151100 POR 1.00264.2500 2.5 Lt 29151100 9160 1.00264.2510 2.5 L 29151100 POR 1.00264.2511 2.5 L 29151100 POR 61809905001730 500 ml 29151100 430 Fuchsin basic for microscopy 61802400251730 25 g 32041399 310 Fumaric acid for synthesis 80026905001730 500 g 29171950 820 Fusion mixture 61758305001730 500 g 38220090 370 Giemsa s azur eosin methylene blue solution for microscopy 10920401251730 125 ml 32041949 750 Giemsa s stain for microscopy 61803900251730 25 g 32041949 430 61803901001730 100 g 32041949 1620 34 For information logon to www.merckmillipore.com www.sigmaaldrich.com

(S)-(+)-Glutamic acid for analysis EMPARTA 1.94909.0251 250 g 29224210 640 Glutardialdehyde (25% solution in water) for synthesis 8.20603.0521 500 ml 29121990 710 8.20603.2521 2.5 Lt 29121990 2980 Glycerol anhydrous EMPLURA 1.94501.0521 500 ml 29054500 350 1.94501.2521 2.5 Lt 29054500 1860 1.94501.9027 25 lit 29054500 POR Glycerol anhydrous for analysis 1.07051.0521 500 ml 29054500 490 1.07051.2521 2.5 Lt 29054500 1920 Glycerol triacetate (Triacetin) EMPLURA 1.94981.0521 500 ml 29153940 890 Heptane fraction from petroleum EMPLURA 1.94510.2521 2.5 Lt 27101212 1850 Heptane-1-sulfonic acid sodium salt for ion pair chromatography LiChropur 61850500251730 25 g 29041090 1430 Heptane-1-sulfonic acid sodium salt monohydrate LiChropur 61856600251730 25 g 29041090 1460 Hexamethylenetetramine for analysis EMPARTA ACS 1.94923.0521 500 g 29336990 510 n-hexane EMPLURA 1.04368.2521 2.5 Lt 29011000 4240 1.04368.0521 500 ml 29011000 1240 1.04368.9027 25 lit 29011000 POR 1.04368.9221 200 lit 29011000 POR Hydrazine hydrate 80% for analysis EMPARTA 1.94939.9221 200 lit 28251020 POR 1.94939.9026 25 lit 28251020 POR 1.94939.0521 500 ml 28251020 1280 1.94939.2521 2.5 Lt 28251020 5950 Hydrazinium hydroxide (about 100% N2H5OH) for synthesis 8.04608.0521 500 ml 28251020 1520 8.04608.2521 2.5 Lt 28251020 5730 Hydrazinium sulfate EMPLURA 1.94988.0121 100 g 28251030 440 Hydrazinium sulfate GR 61804201001730 100 g 28251030 490 Hydriodic acid 55% for analysis 1.93024.0251 250 ml 28111990 7710 Reagents & Chemicals 1.94981.9026 25 lit 29153940 POR Glycine for analysis 1.94907.5021 5 kg 29224910 13930 1.94907.0521 500 g 29224910 1690 Glycine for synthesis 8.16013.0521 500 g 29224910 1050 Glycolic acid (70% solution in water) for synthesis 8.14186.0521 500 ml 29181900 1970 8.14186.2521 2.5 Lt 29181900 9650 Gram s crystal violet solution for microscopy 10921801251730 125 ml 32041946 160 Gram s safranine solution for microscopy 10921701251730 125 ml 32041399 280 May-Gruenwald s eosin methylene blue solution 10142401251730 125 ml 32041949 290 61836701251730 125 ml 32030090 1230 n-heptane EMPLURA 1.04365.2521 2.5 Lt 29011000 5070 1.04365.0521 500 ml 29011000 1240 n-heptane for analysis EMPARTA 1.07053.2521 2.5 Lt 29011000 7780 1.07053.0521 500 ml 29011000 1750 n-heptane for analysis EMSURE Reag. Ph Eur 1.04379.1000 1 L 29011000 12760 1.04379.2500 2.5 L 29011000 26550 1.04379.2511 2.5 L 29011000 24160 n-heptane for Chromatography 61854910001730 1 lit 29011000 2040 n-hexane for analysis EMSURE ACS 1.04367.2500 2.5 L 29011000 9650 1.04367.1000 1 L 29011000 7760 1.04367.2511 2.5 L 29011000 14710 n-hexane for analysis EMSURE ACS, Reag. Ph Eur 1.04374.1000 1 L 29011000 8630 1.04374.2500 2.5 L 29011000 17970 1.04374.2511 2.5 L 29011000 16350 n-hexane for Chromatography 61769110001730 1 lit 29011000 1390 61769125001730 2.5 Lt 29011000 3540 Hexane fraction from petroleum EMPLURA 1.94514.9027 25 lit 27101212 POR 1.94514.2521 2.5 Lt 27101212 1220 1.94514.9221 200 lit 27101212 POR 1.94514.0521 500 ml 27101212 370 n-hexane specially dried (free of benzene) for analysis 1.94606.0521 500 ml 29011000 1490 1.94606.9027 25 lit 29011000 POR Hexane-1-sulfonic acid sodium salt for ion pair chromatography LiChropur 61850600251730 25 g 29041090 1450 Hexane-1-sulfonic acid sodium salt monohydrate LiChropur 61856700251730 25 g 29041090 1590 Hexanes for analysis 1.07052.2521 2.5 Lt 27101212 1650 1.07052.0521 500 ml 27101212 470 Hexanes for Chromatography 61785410001730 1 lit 27101212 1200 Hydrobromic acid 47% for analysis EMPARTA ACS 1.93025.0521 500 ml 28111990 860 Hydrobromic acid 47% for analysis EMSURE ACS,ISO 1.00307.0500 500 ml 28111910 POR 1.00307.1000 1 L 28111910 19270 Hydrochloric acid about 35% EMPLURA 1.93401.5021 5 lit 28061000 880 1.93401.2521 2.5 Lt 28061000 660 1.93401.0521 500 ml 28061000 260 1.93401.9026 25 lit 28061000 POR Hydrochloric acid about 37% for analysis 1.93001.2521 2.5 Lt 28061000 870 1.93001.5021 5 lit 28061000 1180 1.93001.0521 500 ml 28061000 300 1.93001.9026 25 lit 28061000 POR Hydrochloric acid c(hcl) = 0.1 mol/l (0.1N solution) 60906005001730 500 ml 28061000 210 Hydrochloric acid for 500 ml, c(hcl) = 0.1mol/l (0.1N) Titrisol 60997300011730 3 a 28061000 380 Hydrochloric acid for 500 ml, c(hcl) = 1 mol/l (1N) Titrisol 60997000011730 2 a 28061000 350 Hydrochloric acid fuming 37% for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.00317.1000 1 L 28061000 1970 1.00317.2500 2.5 L 28061000 3860 1.00317.2510 2.5 L 28061000 4240 1.00317.2501 2.5 L 28061000 POR 35

Part 1 Analytical & Chemistry EMPLURA 1.93414.0521 500 ml 28111100 560 EMPARTA 1.93014.0521 500 ml 28111100 1030 1.93014.9026 25 lit 28111100 POR EMSURE ISO, Reag. Ph Eur 1.00338.1000 1 L 28111100 5050 1.00338.0500 500 ML 28111100 3580 1.00338.2500 2.5 L 28111100 9890 EMPARTA ACS 1.93013.0521 500 ml 28111100 1070 EMSURE ACS, ISO, Reag. Ph Eur 1.00334.0500 500 ML 28111100 3580 1.00334.1000 1 L 28111100 6070 1.00334.2500 2.5 L 28111100 11880 1.00334.5000 5 L 28111100 22600 Hydrogen peroxide 30% (Perhydrol ) (stabilized for higher storage temp.) for analysis EMSURE ACS, ISO 1.07210.0250 250 ML 28470000 3130 1.07210.2500 2.5 L 28470000 13600 1.07210.1000 1 L 28470000 6960 Hydrogen peroxide 30% (Perhydrol ) for analysis EMSURE ACS, ISO 1.07209.1000 1 L 28470000 6960 1.07209.0500 500 ML 28470000 4100 1.07209.0250 250 ML 28470000 3130 1.07209.2500 2.5 L 28470000 13600 Hydrogen peroxide 30% EMPLURA 1.93407.0521 500 ml 28470000 410 1.93407.5021 5 lit 28470000 1790 1.93407.9026 25 lit 28470000 POR Hydrogen peroxide 30% for analysis EMPARTA 1.93007.0521 500 ml 28470000 420 1.93007.5021 5 lit 28470000 1830 Hydrogen peroxide 50% EMPLURA 1.93408.9026 25 lit 28470000 POR 1.93408.0521 500 ml 28470000 440 61783510001730 1 lit 28470000 340 61783590251730 25 lit 28470000 POR Hydroquinone for synthesis 8.22333.0521 500 g 29072200 2390 Hydroxylaonium chloride 1.94922.1021 1 Kg 28251090 3560 Hydroxylaonium chloride EMPLURA 1.94965.0251 250 g 28251090 1110 Hydroxylaonium chloride for analysis 1.94922.0121 100 g 28251090 690 Hydroxynaphthol blue indicator # 61817100251730 25 g 29270090 2100 Imidazole for analysis 1.94949.1021 1 Kg 29332990 2310 Imidazole for analysis 25 KG 1.94949.9026 25 Kg 29332990 POR Imidazole for analysis 1.94949.0121 100 g 29332990 850 Imidazole Pure 61781601001730 100 g 29332990 620 61781650001730 5 kg 29332990 17650 Iersion oil acc. to DIN 58884 for microscopy 61557701251730 125 ml 38220090 1610 61557700301730 30 ml 38220090 540 ph-indicator paper universal indicator P 10952700011730 38220090 220 Indole-3-butyric acid EMPLURA 1.94960.0006 5 g 29339900 880 Iodine for analysis 1.93900.0121 100 g 28012000 2580 1.93900.0521 500 g 28012000 12770 Iodine monochloride for analysis 1.94908.0251 250 g 28121090 5970 Iodine resublimed 60476055001730 5.5 kg 28012000 83480 60476001001730 100 g 28012000 2280 60476005001730 500 g 28012000 11060 Iodine solution for 500 ml c(l2) = 0.05 mol/l (0.1) Titrisol 60991000011730 3 a 38220090 1420 Iodine sublimated for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.04761.0100 100 G 28012000 9130 1.04761.0500 500 G 28012000 30440 Iodine trichloride for synthesis 8.04772.0026 25 g 28121090 2170 Iodomethane EMPLURA 1.94976.0251 250 ml 29033030 5970 Iron(II) sulfate heptahydrat 1.93647.5021 5 kg 28332990 1100 Iron(II) sulfate heptahydrate EMPLURA 1.93647.0521 500 g 28332910 250 1.93647.9051 50 kg 28332910 POR Iron(II) sulfate heptahydrate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.03965.0500 500 G 28332980 4020 1.03965.0100 100 G 28332980 1860 1.03965.1000 1 KG 28332980 6170 1.03965.5000 5 KG 28332980 21620 Iron(II) sulfate heptahydrate GR 61868105001730 500 g 28332990 450 EMPLURA 1.93706.1021 1 kg 28309010 610 1.93706.5021 5 kg 28309010 2720 Iron(III) chloride anhydrous EMPLURA 1.93653.0521 500 g 28273990 330 1.93653.9051 50 kg 28273990 POR Iron(III) chloride hexahydrate for analysis EMSURE ACS,Reag. Ph Eur 1.03943.0250 250 G 28273920 5300 1.03943.1000 1 KG 28273920 13240 61800905001730 500 g 28342990 260 Iron(III) oxide EMPLURA 1.93807.5021 5 kg 28211010 3580 1.93807.0521 500 g 28211010 420 Isoamyl alcohol (mixture of isomers) EMPLURA 8.22255.0521 500 ml 29052900 540 8.22255.2521 2.5 Lt 29052900 2040 8.22255.9027 25 lit 29052900 POR Isoamyl alcohol (mixture of isomers) for analysis 1.94608.0521 500 ml 29052900 540 1.94608.2521 2.5 Lt 29052900 2290 ISOAMYL ALCOHOL EMPLURA 25 L 8.22255.9026 25 Lt 29052900 POR Isoamyl alcohol for analysis EMSURE ACS, Reag. Ph Eur 1.00979.1000 1 L 29051900 5860 1.00979.2500 2.5 L 29051900 12190 Isobutanol (isobutyl alcohol) for analysis 1.94613.0521 500 ml 29051300 390 1.94613.2521 2.5 Lt 29051300 1490 36 For information logon to www.merckmillipore.com www.sigmaaldrich.com

Isobutanol for analysis EMSURE ACS, Reag. Ph Eur 1.00984.1000 1 L 29051490 5750 1.00984.2500 2.5 L 29051490 11940 Isobutanol FS 25LTR 82234590251730 25 Lt 29051300 POR Isobutyl methyl ketone EMPLURA 8.20820.2521 2.5 Lt 29141300 1660 8.20820.0521 500 ml 29141300 410 8.20820.9027 25 lit 29141300 POR Lead(II) acetate trihydrate for analysis EMSURE ACS, Reag. Ph Eur 1.07375.0250 250 G 29152900 4660 1.07375.1000 1 KG 29152900 11600 Lead(II) acetate trihydrate GR 60737505001730 500 g 29152990 610 Lead(II) hydroxide acetate anhydrous EMPLURA 1.93713.5021 5 kg 29152990 4100 1.93713.0521 500 g 29152990 890 Magnesium acetate tetrahydrate for analysis EMSURE ACS, Reag. Ph Eur 1.05819.0250 250 G 29152900 4130 1.05819.1000 1 KG 29152900 10300 Magnesium acetate tetrahydrate GR 10581902501730 250 g 29152920 2740 Magnesium carbonate light EMPLURA 1.93701.0521 500 g 28369920 1320 Magnesium chloride hexahydrate EMPLURA 1.93663.0521 500 g 28273100 240 Reagents & Chemicals Isobutyl methyl ketone for analysis EMPARTA ACS 1.94602.0521 500 ml 29141300 600 1.94602.2521 2.5 Lt 29141300 2330 1.94602.9221 200 lit 29141300 POR Isobutyl methyl ketone for extraction analysis EMSURE ACS, Reag. Ph eur 1.06146.1000 1 L 29141300 6410 1.06146.2500 2.5 L 29141300 13370 Isooctane EMPLURA 1.94505.2521 2.5 Lt 29011000 4310 1.94505.0521 500 ml 29011000 930 1.94505.9027 25 lit 29011000 POR Isooctane EMPLURA 25 L 1.94505.9026 25 Lt 29011000 POR Isooctane for analysis 1.94605.2521 2.5 Lt 29011000 5250 1.94605.0521 500 ml 29011000 1190 Isooctane for analysis EMSURE ACS, Reag. Ph Eur 1.04727.1000 1 L 29011000 7950 1.04727.2500 2.5 L 29011000 16570 Isooctane for Chromatography 60471710001730 1 lit 29011000 2320 60471725001730 2.5 Lt 29011000 3930 Karl Fischer s solution pyridine-free single solution 10925802501730 2 x 250 ml 38220090 1670 10925805001730 500 ml 38220090 1700 DL-Lactic acid 88% for analysis 1.93027.0521 500 ml 29181110 950 1.93027.2521 2.5 Lt 29181110 3190 Lactic acid about 90% EP 500ML 60036605001730 500 ml 29181110 790 Lead(II) acetate trihydrate EMPLURA 1.93679.0521 500 g 29152990 480 Lead(II) nitrate EMPLURA 1.93669.0521 500 g 28342990 540 1.93669.5021 5 kg 28342990 4790 Lead(II) nitrate for analysis EMSURE ACS, Reag. Ph Eur 1.07398.0100 100 G 28342920 2800 1.07398.1000 1 KG 28342920 9320 Lead(II,IV) oxide EMPLURA 1.93804.0521 500 g 28241010 930 1.93804.5021 5 kg 28241010 8530 Leishman s eosin methylene blue soln. for microscopy 61785302501730 250 ml 32041949 220 Leishman s Stain (eosin methylene blue compound) for microscopy 61840900251730 25 g 32041949 480 61840901001730 100 g 32041949 1910 Leishman s Stain Powder & solution for microscopy 61853102501730 250 ml 32041949 270 Light green (C.I. 42095) for microscopy 61818400251730 25 g 32041956 1100 Lithium chloride anhydrous Pure 61804802501730 250 g 28274900 2350 Lithium chloride for analysis 1.93287.0251 250 g 28274900 3480 di-lithium tetraborate for analysis EMPARTA ACS 1.93232.0121 100 g 28402090 2230 Litmus paper Blue 61784200011730 10 bkts 38220090 310 Litmus paper Red 61785900011730 10 bkts 38220090 300 Magnesium acetate tetrahydrate EMPLURA 1.93695.0521 500 g 29152920 840 1.93663.9051 50 kg 28273100 POR 1.93663.5021 5 kg 28273100 1760 Magnesium chloride hexahydrate for analysis 1.93263.9051 50 kg 28273100 POR 1.93263.0521 500 g 28273100 300 Magnesium chloride hexahydrate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.05833.0250 250 G 28273100 2040 1.05833.1000 1 KG 28273100 5070 1.05833.5000 5 KG 28273100 17710 Magnesium nitrate hexahydrate EMPLURA 1.93709.0521 500 g 28342920 230 Magnesium nitrate hexahydrate for analysis EMSURE ACS,Reag. Ph Eur 1.05853.0500 500 G 28342980 4550 Magnesium oxide light EMPLURA 1.93805.0521 500 g 28259090 930 1.93805.5021 5 kg 28259090 8270 Magnesium sulfate heptahydrate EMPLURA 1.93645.9051 50 kg 28332100 POR 1.93645.0521 500 g 28332100 210 Magnesium sulfate heptahydrate for analysis 1.93245.0521 500 g 28332100 330 1.93245.9051 50 kg 28332100 POR Magnesium sulfate heptahydrate for analysis EMSURE ACS, Reag. Ph Eur 1.05886.0500 500 G 28332100 4850 1.05886.1000 1 KG 28332100 7430 1.05886.5000 5 KG 28332100 25980 DL-Malic acid EMPLURA 1.94983.0521 500 g 29181990 730 Maltose monohydrate for analysis EMPARTA 1.94941.9026 25 kg 17029020 POR 1.94941.0251 250 g 17029020 640 37

Part 1 Analytical & Chemistry Manganese dioxide powder EMPLURA 1.93806.9051 50 kg 28201000 POR 1.93806.0521 500 g 28201000 220 Manganese(II) chloride tetrahydrate GR 61868605001730 500 g 28273990 380 Manganese(II) sulfate monohydrate EMPLURA 1.93664.0521 500 g 28332940 480 1.93664.9051 50 kg 28332940 POR 1.93664.5021 5 kg 28332940 4030 Manganese(II) sulfate monohydrate for analysis 1.93264.0521 500 g 28332940 930 Mannitol for analysis 1.94967.0521 500 g 29054300 1050 1.94967.5021 5 kg 29054300 8850 1.94967.9051 50 kg 29054300 POR Mercury EMPLURA 1.93799.0251 250 g 28054000 9890 Mercury for analysis and for polarography EMSURE 1.04403.0250 250 G 28054090 23110 1.04403.1000 1 KG 28054090 57800 Mercury for analysis 1.93399.0251 250 g 28054000 9920 Mercury(II) acetate EMPLURA 1.93676.0121 100 g 29152990 5410 Mercury(II) acetate for analysis 1.93276.0121 100 g 29152990 5370 Mercury(II) acetate for analysis EMSURE ACS, Reag. Ph Eur 1.04410.0250 250 G 28521000 22580 Mercury(II) chloride EMPLURA 1.93603.0251 250 g 28273990 9160 1.93603.1021 1 kg 28273990 35900 Mercury(II) chloride for analysis 1.93203.0251 250 g 28521000 9560 1.93203.0121 100 g 28273990 3950 Mercury(II) chloride for analysis EMSURE Reag. Ph Eur, ACS 1.04419.0250 250 G 28521000 23150 1.04419.1000 1 KG 28521000 57840 Mercury(II) iodide red EMPLURA 1.93678.0121 100 g 28276090 3960 1.93678.0521 500 g 28276090 19200 Mercury(II) iodide red, for analysis EMSURE ACS,Reag. Ph Eur 1.04428.0250 250 G 28521000 25660 Mercury(II) nitrate monohydrate for analysis 1.93242.0121 100 g 28521000 4240 Mercury(II) nitrate monohydrate for analysis EMSURE ACS, Reag. Ph Eur 1.04439.0250 250 G 28521000 22520 Mercury(II) oxide red EMPLURA 1.93680.0121 100 g 28521000 4650 Mercury(II) oxide red, for analysis EMSURE 1.04466.0250 250 G 28521000 22120 Mercury(II) sulfate EMPLURA 1.93620.0251 250 g 28521000 10190 Mercury(II) sulfate for analysis 1.93220.0251 250 g 28521000 10360 Mercury(II) sulfate for analysis EMSURE ACS 1.04480.0250 250 G 28521000 57250 Methanesulfonic acid for synthesis 8.06022.0521 500 ml 29041010 1550 8.06022.2521 2.5 Lt 29041010 4690 Methanol EMPLURA 1.94516.9027 25 lit 29051100 POR 1.94516.2521 2.5 Lt 29051100 620 1.94516.9221 200 lit 29051100 POR 1.94516.0521 500 ml 29051100 240 Methanol for analysis 1.07018.2521 2.5 Lt 29051100 790 1.07018.9027 25 lit 29051100 POR 1.07018.0521 500 ml 29051100 300 Methanol for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.06009.2500 2.5 L 29051100 4170 1.06009.1000 1 L 29051100 2010 1.06009.1011 1 L 29051100 1930 1.06009.2511 2.5 L 29051100 3800 Methanol for Chromatography 60600725001730 2.5 Lt 29051100 610 60600710001730 1 lit 29051100 300 Methanol for Chromatography Gradient Grade 61860725001730 2.5 Lt 29051100 790 Methanol specially dried 1.94800.0521 500 ml 29051100 440 Methyl acetate for synthesis 8.09711.0521 500 ml 29153940 770 8.09711.2521 2.5 Lt 29153940 3480 Methyl blue (C.I. 42780) for microscopy # 61820400251730 25 g 32041964 320 61790105001730 500 g 39123912 3110 Methyl cellulose 4000 cps 61828105001730 500 g 39123912 1110 Methyl orange (C.I. 13025 S. 176) indicator 60132200251730 25 g 29270090 210 Methyl orange 0.04% indicator solution 61841201251730 125 ml 29270090 150 Methyl paraben (Methyl-4-hydroxybenzoate) Extra Pure 61862805001730 500 g 29181990 1270 Methyl red (C.I. 13020 S. 250) indicator 60607600251730 25 g 29270090 290 Methyl red 0.01% indicator solution 61841301251730 125 ml 29270090 150 1-Methyl-2-pyrrolidone EMPLURA 8.06072.0521 500 ml 29337900 1510 8.06072.2521 2.5 Lt 29337900 5970 8.06072.9221 200 lit 29337900 POR 1-Methyl-2-Pyrrolidone for Chromatography 61872310001730 1 lit 29337900 4010 solution 61836901251730 125 ml 32041351 160 Methylene blue (aqueous) stain solution 61836801251730 125 ml 32041351 160 Methylene blue stain for microscopy 61828800251730 25 g 32041351 330 61828810001730 1 kg 32041351 7480 61828801001730 100 g 32041351 900 4-Methylmorpholine for synthesis 8.05894.0521 500 ml 29349900 3850 8.05894.2521 2.5 Lt 29349900 15880 Molecular sieve 13 x 1.5 61796302501730 250 g 38249015 760 Molecular sieve 3A x 1.5 61779902501730 250 g 38249015 680 Molecular sieve 4A x 1.5 61796102501730 250 g 38249015 620 Molybdic acid f a EMPARTA A 1.93023.1021 1 Kg 28257020 8990 Molybdic acid for analysis 1.93023.0121 100 g 28257020 1720 38 For information logon to www.merckmillipore.com www.sigmaaldrich.com

Morpholine for analysis 1.94937.9026 25 lit 29349900 POR 1.94937.0521 500 ml 29349900 800 Murexide (5,5 -Nitrilobarbituric Acid Monoaonium Salt) for analysis EMPARTA ACS 1.93319.0006 5 g 29335990 440 1-Naphthol for synthesis 8.22289.0121 100 g 29071590 470 2-Naphthol for synthesis 8.22290.0251 250 g 29071510 550 1-Naphthol GR 60622301001730 100 g 29071510 740 Neocuproine GR 10296800051730 5 g 29339900 25210 Nickel aluminium alloy powder (for the production of Raney Nickel) 61821505001730 500 g 75040000 3800 61848602501730 250 g 28461090 5360 Nickel(II) chloride hexahydrate EMPLURA 1.93655.5021 5 kg 28273500 19370 1.93655.0521 500 g 28273500 2460 1.93655.9051 50 kg 28273500 POR Nickel(II) chloride hexahydrate for analysis EMSURE ACS 1.06717.0250 250 G 28273500 9340 1.06717.1000 1 KG 28273500 23320 Nickel(II) nitrate hexahydrate EMPLURA 1.93693.0521 500 g 28342990 2600 Nickel(II) nitrate hexahydrate for analysis EMSURE ACS 1.06721.0250 250 G 28342920 8350 1.06721.0100 100 G 28342920 6260 1.06721.1000 1 KG 28342920 20830 Nitric acid 65% for analysis EMPARTA 1.93012.2521 2.5 Lt 28080010 1220 Nitric acid 69% for analysis EMSURE ACS, Reag. Ph Eur 1.01799.2500 2.5 L 28080010 6300 1.01799.1000 1 L 28080000 3220 1.01799.2510 2.5 L 28080000 6620 Nitric acid about 69% EMPLURA 1.93406.2521 2.5 Lt 28080010 960 1.93406.5021 5 lit 28080010 1320 1.93406.0521 500 ml 28080010 320 Nitric acid about 69% for analysis EMPARTA ACS 1.93006.2521 2.5 Lt 28080010 1070 1.93006.0521 500 ml 28080010 380 1.93006.5021 5 lit 28080010 1760 Nitrobenzene for analysis 1.94948.0521 500 ml 29042020 600 1.94948.2521 2.5 Lt 29042020 2590 Octane-1-sulfonic acid sodium salt for ion pair chromatography LiChropur 61850700251730 25 g 29041090 1410 Octane-1-sulphonic acid sodium salt monohydrate LiChropur 61856900251730 25 g 29041090 1550 1-Octanol for synthesis 8.20931.0521 500 ml 29051610 1200 8.20931.2521 2.5 Lt 29051610 6100 Oleic acid Pure 61821605001730 500 ml 29161510 550 61821625001730 2.5 Lt 29161510 2060 Orange G stain for microscopy 61805100251730 25 g 32041212 260 Ortho-Phosphoric acid 85% for analysis EMSURE ACS, ISO, Reag. Ph Eur Ortho-Phosphoric acid min. 85% EMPLURA 1.93403.5021 5 lit 28092010 4610 1.93403.2521 2.5 Lt 28092010 2660 1.93403.9026 25 lit 28092010 POR 1.93403.0521 500 ml 28092010 600 Oxalic acid dihydrate EMPLURA 1.93418.9051 50 kg 29171110 POR 1.93418.0521 500 g 29171110 360 1.93418.5021 5 kg 29171110 2660 Oxalic acid dihydrate for analysis EMPARTA ACS 1.93018.0521 500 g 29171110 390 Oxalic acid dihydrate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.00495.0500 500 G 29171100 4140 1.00495.1000 1 KG 29171100 7010 1.00495.0100 100 G 29171100 2460 Palladium(II) chloride anhydrous for analysis 1.94935.0002 1 g 28439012 5510 Papanicolaous solution 1a Harris hematoxylin solution for cytological cancer and cycle diagnosis 60925301251730 125 ml 32041990 750 Papanicolaous solution 2b Orange II solution for cytological cancer and cycle diagnosis 60688701251730 125 ml 32030090 260 Papanicolaous solution 3b Polychromatic solution EA 50 for cytological cancer and cycle diagnosis 60927201251730 125 ml 32030090 590 61822725021730 2.5 Lt 27101990 2350 61822705001730 500 ml 27101990 570 61822625021730 2.5 Lt 27101990 1320 61822605001730 500 ml 27101990 370 61822690251730 25 lit 27101990 POR Reagents & Chemicals Nickel(II) sulfate hexahydrate EMPLURA 1.00573.1000 1 L 28092000 8120 1.93650.0521 500 g 28332400 2110 1.00573.2500 2.5 L 28092000 15920 61759305001730 500 g 27122000 510 1.93650.9026 25 kg 28332400 POR 1.00573.2510 2.5 L 28092000 17780 Nickel(II) sulfate hexahydrate for analysis EMSURE ACS 1.06727.0100 100 G 28332400 5510 1.06727.0250 250 G 28332400 7330 1.06727.1000 1 KG 28332400 18320 Ninhydrin for analysis 1.94914.0026 25 g 29146910 2580 1.94914.0011 10 g 29146910 880 Ortho-Phosphoric acid 88% for analysis 1.93003.0521 500 ml 28092010 680 1.93003.2521 2.5 Lt 28092010 3510 1.93003.9026 25 lit 28092010 POR 1.93003.5021 5 lit 28092010 5840 Ortho-Phosphoric acid for Chromatography 61872410001730 1 lit 28092010 3890 61782420001730 2 kg 27122090 2230 61782405001730 500 g 27122090 690 61782320001730 2 kg 27122090 2180 61782305001730 500 g 27122090 680 Pentane-1-sulfonic acid sodium salt for ion pair chromatography LiChropur 61850800251730 25 g 29041090 1440 39

Part 1 Analytical & Chemistry Pentane-1-sulfonic acid sodium salt monohydrate LiChropur 61856800251730 25 g 29041090 1500 Perchloric acid 0.1 mol/l in anhydrous acetic acid for titrations in non-aqueous media 60906505001730 500 ml 28111990 1110 60906525001730 2.5 Lt 28111990 3700 Perchloric acid 60% for analysis 1.93004.0521 500 ml 28111990 1320 1.93004.2521 2.5 Lt 28111990 5920 Perchloric acid 70-72% for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.00519.1001 1 L 28111980 14180 1.00519.2501 2.5 L 28111980 27780 1.00519.2510 2.5 L 28111980 28200 Perchloric acid about 70% for analysis 1.93005.0521 500 ml 28111990 1390 1.93005.2521 2.5 Lt 28111990 6250 Perchloric acid about 70% for diamond industry GR 61787705001730 500 ml 28111990 1410 Periodic acid EMPLURA 1.93421.0121 100 g 28111990 4570 Periodic acid for analysis EMSURE 1.00524.0100 100 G 28111980 29210 Petroleum benzine 40-60 C EMPLURA 1.94520.2521 2.5 Lt 27101213 2240 1.94520.0521 500 ml 27101213 550 1.94520.9027 25 lit 27101213 POR Petroleum benzine 60-80 C EMPLURA 1.94522.2521 2.5 Lt 27101213 1250 1.94522.9027 25 lit 27101213 POR 1.94522.0521 500 ml 27101213 350 Petroleum benzine boiling range 40-60 C for analysis 1.07055.2521 2.5 Lt 27101213 2440 1.07055.0521 500 ml 27101213 610 Petroleum benzine boiling range 60-80 C for analysis EMPARTA 1.07057.2521 2.5 Lt 27101213 1450 1.07057.9027 25 lit 27101213 POR 1.07057.0521 500 ml 27101213 400 ph indicator paper ph 1.0-14.0 (with colour scale) Handy 61770600011730 10 bkts 38220090 280 ph indicator paper ph 2.0-10.5 (with colour scale) Handy 61769500011730 10 bkts 38220090 250 ph indicator paper ph 2.0-4.5 (with colour scale) Handy 61770000011730 10 bkts 38220090 280 ph indicator paper ph 3.5-6.0 (with colour scale) Handy 61770100011730 10 bkts 38220090 260 ph indicator paper ph 3.8-5.3 (with colour scale) Handy 61770500011730 10 bkts 38220090 300 ph indicator paper ph 5.0-7.5 (with colour scale) Handy 61770200011730 10 bkts 38220090 300 ph indicator paper ph 6.5-9.0 (with colour scale) Handy 61770300011730 10 bkts 38220090 200 ph indicator paper ph 8.0-10.5 (with colour scale) Handy 61770400011730 10 bkts 38220090 270 ph indicator paper Univ ind ph 1-10 (including colour scale) 10952500011730 1 bkts 38220090 280 ph indicator paper Univ ind ph 1-10 accurate to 1 ph unit (including colour scale) 10952600011730 1 roll 38220090 240 1-10-Phenanthroline monohydrate for analysis 1.94940.0026 25 g 29339900 3280 1.94940.0006 5 g 29339900 800 Phenol for analysis 1.94903.0521 500 g 29071110 670 Phenol for synthesis 8.22296.0521 500 g 29071110 610 Phenolphthalein 1% indicator solution 61841701251730 125 ml 29322020 160 Phenolphthalein indicator 25 KG 60723390261730 25 kg 29322020 POR Phenolphthalein indicator ph 8.2-9.8 60723300501730 50 g 29322020 370 Phloroglucinol (1,3,5-trihydroxybenzene) for analysis EMPARTA 1.94945.0026 25 g 29072990 3940 Phosphomolybdic acid for analysis EMPARTA ACS 1.93022.0026 25 g 28111990 1710 Phosphorus pentoxide for analysis EMPARTA ACS 1.93913.1021 1 kg 28091000 2070 1.93913.0251 250 g 28091000 580 Phthalic acid for synthesis 62229805001730 500 g 29173930 530 Phthalic anhydride for synthesis 80059205001730 500 g 29173930 500 61838705001730 500 g 29089990 1130 Piperidine EMPLURA 1.94511.2521 2.5 Lt 29333200 5060 1.94511.0521 500 ml 29333200 2020 point 60 C 61785205001730 500 g 27122090 800 61785220001730 2 kg 27122090 2380 Polyethylene glycol 200 for synthesis 8.07483.0521 500 ml 29094900 500 8.07483.2521 2.5 Lt 29094900 2310 Polyethylene glycol 300 for synthesis 8.07484.2521 2.5 Lt 29094900 2590 8.07484.0521 500 ml 29094900 600 Polyethylene glycol 400 for synthesis 8.07485.2521 2.5 Lt 29094900 2010 8.07485.0521 500 ml 29094900 550 Polyethylene glycol 4000 for 500 G 61805805001730 500 g 29094900 530 Polyethylene glycol 600 for synthesis 8.07486.0521 500 ml 29094900 650 8.07486.2521 2.5 Lt 29094900 2590 Polyethylene glycol 6000 for synthesis 8.07491.0521 500 g 29094900 600 8.07491.9027 25 kg 29094900 POR Potassium acetate EMPLURA 1.93714.0521 500 g 29152990 480 1.93714.5021 5 kg 29152990 3950 Potassium aluminium sulfate dodecahydrate EMPLURA 1.93699.0521 500 g 28332290 250 Potassium antimony(iii) oxide tartrate hemihydrate for analysis EMPARTA 1.93240.0251 250 g 29183090 1020 Potassium bromate EMPARTA 50 KG 1.93297.9051 50 kg 28299020 POR Potassium bromate for analysis 1.93297.0521 500 g 28299020 920 1.93297.5021 5 kg 28299020 8360 Potassium bromate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.04912.0100 100 G 28299040 10250 1.04912.0250 250 G 28299040 13640 40 For information logon to www.merckmillipore.com www.sigmaaldrich.com

Potassium bromide EMPLURA 1.93672.0521 500 g 28275120 890 Potassium bromide for analysis EMSURE ACS, Reag. Ph Eur 1.04905.0500 500 G 28275100 3320 Potassium bromide GR 61870405001730 500 g 28275120 1020 Potassium carbonate EMPLURA 1.93632.0521 500 g 28364000 420 1.93632.9051 50 kg 28364000 POR Potassium dichromate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.04864.0500 500 G 28415000 10090 1.04864.1000 1 KG 28415000 15540 1.04864.5000 5 KG 28415000 POR Potassium dihydrogen orthophosphate for Chromatography 61855305001730 500 g 28352400 1120 Potassium dihydrogen phosphate EMPLURA 1.93605.0521 500 g 28352400 590 Potassium hexacyanoferrate(ii) trihydrate for analysis EMSURE ACS, ISO,Reag. Ph Eur 1.04984.0500 500 G 28372000 5570 1.04984.0100 100 G 28372000 2570 Potassium hexacyanoferrate(iii) EMPLURA 1.93667.0521 500 g 28372020 1560 Potassium hexacyanoferrate(iii) for analysis EMSURE ACS,Reag. Ph Eur 1.04973.0100 100 G 28372000 3520 1.04973.0250 250 G 28372090 4680 Reagents & Chemicals Potassium carbonate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.04928.0500 500 G 28364000 5130 1.04928.1000 1 KG 28364000 7900 Potassium chloride EMPLURA 1.93638.9051 50 kg 31042000 POR 1.93638.0521 500 g 31042000 210 1.93638.5021 5 kg 31042000 1580 Potassium chloride for analysis 1.93605.9051 50 kg 28352400 POR 1.93605.5021 5 kg 28352400 3830 Potassium dihydrogen phosphate for analysis 1.93205.0521 500 g 28352400 700 1.93205.5021 5 kg 28352400 5530 1.93205.9051 50 kg 28352400 POR Potassium dihydrogen phosphate for analysis EMSURE ISO 1.04973.1000 1 KG 28372000 11710 Potassium hydrogen carbonate EMPLURA 1.93698.0521 500 g 28364000 530 Potassium hydrogen carbonate for analysis EMSURE ACS 1.04854.0500 500 G 28364000 6100 di-potassium hydrogen orthophosphate for chromatography LiChropur 61855705001730 500 g 28352400 1880 1.93238.0521 500 g 31042000 280 1.93238.5021 5 kg 31042000 2460 Potassium chloride for analysis EMSURE 1.04936.0500 500 G 31051000 5030 1.04936.0250 250 G 31051000 3110 1.04936.1000 1 KG 31051000 7720 1.04936.5000 5 KG 31051000 27040 Potassium chromate EMPLURA 1.93660.0521 500 g 28415090 1020 1.93660.5021 5 kg 28415090 9040 Potassium chromate for analysis 1.93260.0521 500 g 28415090 1040 Potassium chromate for analysis EMSURE ACS, Reag. Ph Eur 1.04952.0250 250 G 28415000 5390 1.04952.1000 1 KG 28415000 13440 61756505001730 500 g 29181510 470 Potassium dichromate (0.1N) Titrisol 61871600011730 3 a 28415090 390 Potassium dichromate EMPLURA 1.93615.0521 500 g 28415090 1010 1.93615.2521 2.5 kg 28415090 4380 1.93615.9051 50 kg 28415090 POR Potassium dichromate for analysis EMPARTA ACS 1.93215.0521 500 g 28415090 1070 1.93215.2521 2.5 kg 28415090 4680 1.04873.0250 250 G 28352400 1710 1.04873.1000 1 KG 28352400 4250 1.04873.5000 5 KG 28352400 14840 Potassium disulfate (potassium pyrosulfate) for analysis EMSURE ACS 1.05107.5000 5 KG 28332980 58500 1.05107.1000 1 KG 28332980 16720 Potassium disulfate for analysis 1.93288.0521 500 g 28331990 7670 EMPLURA 1.93668.0521 500 g 28322010 470 1.93668.9051 50 kg 28322010 POR 1.93668.5021 5 kg 28322010 4180 EMSURE 1.05057.0500 500 G 28322000 3520 1.05057.1000 1 KG 28322000 5410 1.05057.2500 2.5 KG 28322000 10830 EMPLURA 1.93627.0521 500 g 28261990 1070 EMPARTA 1.93227.0521 500 g 28261990 1710 EMSURE ACS 1.04994.0250 250 G 28261990 7000 1.04994.1000 1 KG 28261990 17450 Potassium hexacyanoferrate(ii) trihydrate EMPLURA 1.93686.0521 500 g 28372020 900 di-potassium hydrogen phosphate anhydrous EMPLURA 1.93630.0521 500 g 28352400 680 1.93630.9051 50 kg 28352400 POR di-potassium hydrogen phosphate anhydrous for analysis EMPARTA 1.93230.0521 500 g 28352400 810 1.93230.9051 50 kg 28352400 POR 1.93230.5021 5 kg 28352400 6540 di-potassium hydrogen phosphate anhydrous for analysis EMSURE 1.05104.1000 1 KG 28352400 8210 Potassium hydrogen phthalate for analysis 1.93271.0521 500 g 29173990 720 Potassium hydrogen phthalate for analysis EMSURE Reag. Ph Eur 1.04874.0250 250 G 29173995 5450 1.04874.1000 1 KG 29173995 13610 Potassium hydrogen phthalate for chromatography LiChropur 61855505001730 500 g 29173990 1110 61760305001730 500 g 29173990 630 EMPLURA 1.93505.5021 5 kg 28152000 2700 1.93505.9051 50 kg 28152000 POR 1.93505.0521 500 g 28152000 370 41

Part 1 Analytical & Chemistry Potassium hydroxide pellets EMPLURA 1.93503.9051 50 kg 28152000 POR 1.93503.0521 500 g 28152000 480 1.93503.5021 5 kg 28152000 3490 Potassium hydroxide pellets for analysis (MAX. 0.002% NA) EMSURE ACS, ISO, Reag. Ph Eur 1.05021.0250 250 G 28152000 11730 1.05021.1000 1 KG 28152000 26040 1.05021.5000 5 KG 28152000 94140 Potassium hydroxide pellets for analysis EMPARTA 1.93103.9051 50 kg 28152000 POR 1.93103.0521 500 g 28152000 580 1.93103.5021 5 kg 28152000 4040 Potassium hydroxide pellets for analysis EMSURE 1.05033.0500 500 G 28152000 2280 1.05033.5000 5 KG 28152000 12590 1.05033.1000 1 KG 28152000 3490 Potassium iodate EMPLURA 1.93662.0121 100 g 28299030 1410 1.93662.9051 50 Kg 28299030 POR Potassium iodate for analysis 1.93262.0121 100 g 28299030 1840 Potassium iodate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.05051.0500 500 G 28299080 14850 1.05051.0100 100 G 28299080 6850 Potassium iodide EMPLURA 1.93601.0521 500 g 28276010 5390 1.93601.0251 250 g 28276010 3820 1.93601.5021 5 kg 28276010 72780 1.93601.9051 50 kg 28276010 POR Potassium iodide for analysis EMPARTA 1.93201.0251 250 g 28276010 3920 1.93201.0521 500 g 28276010 7570 1.93201.0121 100 g 28276010 1810 1.93201.9051 50 kg 28276010 POR 1.93201.5021 5 kg 28276010 76220 Potassium iodide for analysis EMSURE ISO, Reag. Ph Eur 1.05043.0250 250 G 28276000 15600 1.05043.0500 500 G 28276000 25330 1.05043.1000 1 KG 28276000 38980 1.05043.2500 2.5 KG 28276000 77940 Potassium nitrate EMPLURA 1.93625.0521 500 g 28342100 480 1.93625.9051 50 kg 28342100 POR 1.93625.5021 5 kg 28342100 3250 Potassium nitrate for analysis 1.93225.0521 500 g 28342100 530 1.93225.9051 50 kg 28342100 POR 1.93225.5021 5 kg 28342100 3690 Potassium nitrate for analysis EMSURE ISO, Reag. Ph Eur 1.05063.0500 500 G 28342100 3010 1.05063.1000 1 KG 28342100 4650 1.05063.5000 5 KG 28342100 16190 di-potassium oxalate monohydrate EMPLURA 1.93683.0521 500 g 29171190 570 di-potassium oxalate monohydrate for analysis EMSURE ACS 1.05073.0250 250 G 29171100 4040 1.05073.1000 1 KG 29171100 10100 Potassium permanganate solution for 500 ml c(kmno4) = 0.02 mol/ l (0.1N) Titrisol 60993500011730 3 a 28416100 620 Potassium permanganate EMPLURA 1.93610.0521 500 g 28416100 620 1.93610.9026 25 kg 28416100 POR 1.93610.5021 5 kg 28416100 6180 Potassium permanganate for analysis 1.93210.0521 500 g 28416100 750 Potassium peroxodisulfate Extra Pure 10509005001730 500 g 28334000 660 Potassium peroxodisulfate for analysis 1.93306.0521 500 g 28334000 850 Potassium peroxodisulfate for analysis EMSURE 1.05091.1000 1 KG 28334000 9030 1.05091.0250 250 G 28334000 3610 Potassium sodium tartrate tetrahydrate EMPLURA 1.93626.0521 500 g 29183090 1120 Potassium sodium tartrate tetrahydrate f 1.93226.5021 5 kg 29183090 8470 Potassium sodium tartrate tetrahydrate for analysis 1.93226.0521 500 g 29183090 1260 Potassium sodium tartrate tetrahydrate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.08087.0500 500 G 29181300 5240 1.08087.1000 1 KG 29181300 8070 1.08087.5000 5 KG 29181300 28180 Potassium sorbate for analysis EMPARTA 1.93311.1021 1 kg 29161930 1950 1.93311.5021 5 kg 29161930 9300 Potassium sulfate EMPLURA 1.93649.0521 500 g 31043000 380 1.93649.5021 5 kg 31043000 2460 Potassium sulfate for analysis 1.93249.0521 500 g 31043000 470 1.93249.5021 5 kg 31043000 4180 Potassium sulfate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.05153.0500 500 G 31051000 3180 1.05153.1000 1 KG 31051000 4860 1.05153.5000 5 KG 31051000 16990 Potassium thiocyanate EMPLURA 1.93608.0521 500 g 28429090 1000 1.93608.9051 50 kg 28429090 POR Potassium thiocyanate for analysis EMPARTA ACS 1.93208.0521 500 g 28429090 1160 Potassium thiocyanate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.05125.0250 250 G 28429080 4130 1.05125.1000 1 KG 28429080 10290 1-2-Propanediol EMPLURA 8.22324.9027 25 lit 29053200 POR 8.22324.0521 500 ml 29053200 560 8.22324.2521 2.5 Lt 29053200 2070 1-Propanol EMPLURA 1.00996.2521 2.5 Lt 29051210 1910 1.00996.0521 500 ml 29051210 480 1.00996.9027 25 lit 29051210 POR 2-Propanol EMPLURA 1.94524.9027 25 lit 29051220 POR 1.94524.2521 2.5 Lt 29051220 1250 1.94524.9221 200 lit 29051220 POR 1.94524.5021 5 lit 29051220 2140 1.94524.0521 500 ml 29051220 360 1-PROPANOL EMPLURA 25 L 1.00996.9026 25 Lt 29051210 POR 2-PROPANOL FOR ANALYSIS EMPARTA 1.07022.9221 200 Lt 29054900 POR 42 For information logon to www.merckmillipore.com www.sigmaaldrich.com

2-Propanol for analysis 1.07022.2521 2.5 Lt 29051220 1450 1.07022.9027 25 lit 29051220 POR 1.07022.0521 500 ml 29051220 430 2-Propanol for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.09634.1000 1 L 29051200 4040 1.09634.2500 2.5 L 29051200 6940 1.09634.2511 2.5 L 29051200 6300 1.09634.1011 1 L 29051200 3680 1-Propanol for analysis EMSURE ACS, Reag. Ph Eur 1.00997.2500 2.5 L 29051200 12300 1.00997.1000 1 L 29051200 5890 1-Propanol for Chromatography 61866310001730 1 lit 29051210 3570 2-Propanol for Chromatography 60104010001730 1 lit 29051210 770 60104025001730 2.5 Lt 29051210 1730 Propionic acid for analysis EMPARTA 1.94938.0521 500 ml 29155000 480 1.94938.2521 2.5 Lt 29155000 2150 Propyl gallate Extra pure 61823705001730 500 g 29182930 4710 Propyl paraben (n-propyl-4-hydroxybenzoate) Extra Pure 61863005001730 500 g 29181990 1620 1-(2-Pyridylazo)-2-naphthol (PAN) for analysis Reag. Ph Eur 1.04092.1000 1 L 29054500 5970 1.04092.2500 2.5 L 29054500 POR Resorcinol for analysis 1.94927.0121 100 g 29072100 890 Resorcinol recryst. Extra pure 60759002501730 250 g 29072100 1320 Salicylic acid for analysis 1.94929.0521 500 g 29182110 740 Silica gel 100-200 mesh for column chromatography 61860890261730 25 kg 28112990 POR 61860805001730 500 g 28112990 660 Silica gel 230-400 mesh for column chromatography 61860990261730 25 kg 28112990 POR 61860905001730 500 g 28112990 880 Silica gel 60-120 mesh for column chromotography 61806290271730 25 kg 28112990 POR 61806205001730 500 g 28112990 620 Silica gel G for TLC 61763105001730 500 g 28112990 670 61763102501730 250 g 28112990 410 61763110001730 1 kg 28112990 1190 Silica gel GF 254 for TLC 61764105001730 500 g 28112990 3580 Silica gel H for TLC 61806305001730 500 g 28112990 680 Silver nitrate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.01512.0100 100 G 28432100 64410 1.01512.1000 1 KG 28432100 429300 1.01512.0250 250 G 28432100 154560 Silver nitrate solution 0.02 mol/l (0.02N) 61785705001730 500 ml 28432100 650 Silver nitrate solution for 500 ml c (AgNO3) = 0.1 mol/ l (0.1N) Titrisol 60999000011730 3 a 28432100 7160 Silver oxide for analysis EMPARTA 1.93223.0026 25 g 28431020 9780 Silver sulfate EMPLURA 1.93604.0026 25 g 28431020 5940 Silver sulfate for analysis EMPARTA 1.93204.0026 25 g 28431020 6080 1.93204.9026 25 Kg 28431020 POR Sodium acetate anhydrous EMPLURA 1.93644.0521 500 g 29152990 340 1.93644.9051 50 kg 29152990 POR Sodium acetate anhydrous for analysis 1.93244.0251 250 g 29152990 370 1.93244.5021 5 kg 29420090 3170 Sodium acetate anhydrous for analysis EMSURE ACS, Reag. Ph Eur 1.06268.0250 250 G 29152900 2490 1.06268.1000 1 KG 29152900 6200 Reagents & Chemicals 1.93323.0006 5 g 29333990 8060 Pyridine EMPLURA 1.07462.0521 500 ml 29333100 1010 1.07462.2521 2.5 Lt 29333100 4630 1.07462.9027 25 lit 29333100 POR PYRIDINE EMPLURA 25 L 1.07462.9026 25 Lt 29333100 POR Pyridine for analysis 1.94601.0521 500 ml 29333100 1100 1.94601.2521 2.5 Lt 29333100 5360 Pyridine for analysis EMSURE ACS, Reag. Ph Eur 1.09728.2500 2.5 L 29333100 29780 1.09728.1000 1 L 29333100 14280 1.09728.0500 500 ML 29333100 8340 1.09728.0100 100 ml 29333100 1650 Pyrogallol EMPLURA 1.94952.0121 100 g 29072990 2360 Silica gel HF 254 for TLC 61764505001730 500 g 28112990 3890 Silica gel self-indicating coarse 61841805001730 500 g 28112990 430 61841890501730 50 kg 28112990 POR Silicon antifoaming agent 61806501001730 100 ml 39100090 430 Silicon oil 61871725001730 2.5 Lt 39100020 4450 61871702501730 250 ml 39100020 560 Silver nitrate EMPLURA 1.93600.0027 25 g 28431020 5410 1.93600.0121 100 g 28431020 20590 1.93600.0521 500 g 28431020 84670 Silver nitrate for analysis 1.93200.0027 25 g 28431020 5500 1.93200.0121 100 g 28431020 20990 1.93200.0521 500 g 28431020 89050 1.06268.2500 2.5 KG 29152900 12400 Sodium acetate anhydrous GR 250 G 61795202501730 250 g 29152990 320 Sodium acetate trihydrate EMPLURA 1.93643.0521 500 g 29152990 260 1.93643.9051 50 kg 29152990 POR 1.93643.5021 5 kg 29152990 1660 Sodium acetate trihydrate for analysis indifferent to potassium permanganate EMSURE ACS, ISO, Reag. Ph Eur 1.06267.0500 500 G 29152900 2360 1.06267.1000 1 KG 29152900 3610 1.06267.5000 5 KG 29152900 12710 Sodium acetate trihydrate indifferent to potassium permanganate for analysis 1.93243.5021 5 kg 29152990 1970 1.93243.0521 500 g 29152990 290 43

Part 1 Analytical & Chemistry Sodium azide EMPLURA 1.94961.0521 500 g 28500030 2630 Sodium azide f a EMPARTA AC 1.94911.1021 1 Kg 28500030 5100 Sodium azide for analysis 1.94911.0121 100 g 28500030 1030 Sodium benzoate for analysis EMPARTA 1.94901.0521 500 g 29163140 640 Sodium borohydride EMPLURA 1.94962.0121 100 g 28500010 2220 1.94962.0521 500 g 28500010 9060 Sodium carbonate anhydrous EMPLURA 1.93611.9051 50 kg 28363000 POR 1.93611.0521 500 g 28363000 300 1.93611.5021 5 kg 28363000 1980 Sodium carbonate anhydrous for analysis 1.93211.9051 50 kg 28363000 POR 1.93211.0521 500 g 28363000 370 1.93211.5021 5 kg 28363000 2350 Sodium carbonate anhydrous, for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.06393.1000 1 KG 28362000 9870 Sodium chloride EMPLURA 1.93606.5021 5 kg 25010010 820 1.93606.9051 50 kg 25010010 POR 1.93606.0521 500 g 25010010 180 Sodium chloride for analysis 1.93206.9051 50 kg 25010010 POR 1.93206.5021 5 kg 25010010 910 1.93206.0521 500 g 25010010 200 Sodium chloride for analysis EMSURE ACS,ISO, Reag. Ph Eur 1.06404.5000 5 KG 25010099 6490 1.06404.0500 500 G 25010099 1510 1.06404.1000 1 KG 25010099 2330 tri-sodium citrate dihydrate 1.93219.5021 5 kg 29181520 2880 tri-sodium citrate dihydrate EMPLURA 1.93619.9051 50 kg 29181520 POR 1.93619.0521 500 g 29181520 410 1.93619.5021 5 kg 29181520 2960 tri-sodium citrate dihydrate for analysis 1.93219.0521 500 g 29181520 620 tri-sodium citrate dihydrate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.06448.0500 500 G 29181500 3020 1.06448.5000 5 KG 29181500 16270 1.06448.1000 1 KG 29181500 4660 Sodium dichromate dihydrate EMPLURA 1.93689.0521 500 g 28413000 910 1.93689.5021 5 kg 28413000 7190 Sodium dichromate dihydrate for analysis EMSURE ACS 1.06336.0250 250 G 28413000 5810 1.06336.1000 1 KG 28413000 17910 Sodium dihydrogen phosphate dihydrate EMPLURA 1.93624.0521 500 g 28352200 510 1.93624.9051 50 kg 28352200 POR Sodium dihydrogen phosphate dihydrate for analysis EMSURE Reag. Ph Eur 1.06342.0250 250 G 28352200 2930 1.06342.1000 1 KG 28352200 4870 1.06342.2500 2.5 KG 28352200 9740 Sodium dihydrogen phosphate dihydrate for chromatography LiChropur 61855605001730 500 g 28352200 980 Sodium dihydrogen phosphate monohydrate for analysis 1.93224.0521 500 g 28352200 600 1.93224.5021 5 kg 28352200 4570 Sodium dihydrogen phosphate monohydrate for analysis EMSURE ACS, Reag. Ph Eur 1.06346.0500 500 G 28352200 3480 1.06346.1000 1 KG 28352200 5340 analysis EMSURE ACS, Reag. Ph Eur 1.06528.0500 500 G 28321000 2470 1.06528.1000 1 KG 28321000 3800 1.06528.0100 100 G 28321000 2290 1.06528.5000 5 KG 28321000 13250 EMPLURA 1.93642.0521 500 g 28321010 260 1.93642.9051 50 kg 28321010 POR 1.93642.5021 5 kg 28321010 1910 Sodium dodecyl sulfate EMPLURA 1.94954.0521 500 g 29209099 1080 1.94954.5021 5 kg 29209099 7780 Sodium dodecyl sulfate for analysis EMPARTA ACS 1.94904.0251 250 g 29209099 4380 EMPLURA 1.93670.0521 500 g 28269000 540 1.93670.9051 50 kg 28261990 POR 1.93670.5021 5 kg 28269000 4860 1.93270.0521 500 g 28269000 970 EMSURE ACS, ISO, Reag. Ph Eur 1.06449.0250 250 G 28261910 3810 1.06449.1000 1 KG 28261910 9510 Sodium hexametaphosphate 1.93696.9051 50 Kg 28353900 POR Sodium hexametaphosphate EMPLURA 1.93696.0521 500 g 28353900 480 1.93696.5021 5 kg 28353900 3600 di-sodium hyd phosph EMPARTA 1.93222.5021 5 kg 28352200 3310 Sodium hydrogen carbonate EMPLURA 1.93637.0521 500 g 28363000 260 1.93637.9051 50 kg 28363000 POR Sodium hydrogen carbonate for analysis 1.93237.9051 50 kg 28363000 POR 1.93237.0521 500 g 28363000 300 Sodium hydrogen carbonate for analysis EMSURE ACS, Reag. Ph Eur 1.06329.5000 5 KG 28363000 8100 1.06329.0500 500 G 28363000 1500 1.06329.1000 1 KG 28363000 2330 di-sodium hydrogen phosphate anhydrous EMPLURA 1.93609.0521 500 g 28352200 640 1.93609.9051 50 kg 28352200 POR di-sodium hydrogen phosphate anhydrous for analysis 1.93209.0521 500 g 28352200 700 1.93209.9051 50 kg 28352200 POR di-sodium hydrogen phosphate anhydrous for analysis EMSURE ACS,Reag. Ph Eur 1.06586.2500 2.5 KG 28352200 24670 1.06586.0500 500 G 28352200 5790 1.06586.1000 1 KG 28352200 12320 di-sodium hydrogen phosphate anhydrous for chromatography LiChropur 61855805001730 500 g 28352200 1070 44 For information logon to www.merckmillipore.com www.sigmaaldrich.com

di-sodium hydrogen phosphate dihydrate EMPLURA 1.93622.0521 500 g 28352200 470 1.93622.9051 50 kg 28352200 POR 1.93622.5021 5 kg 28352200 3980 di-sodium hydrogen phosphate dihydrate for analysis EMPARTA 1.93222.0521 500 g 28352200 610 di-sodium hydrogen phosphate dihydrate for analysis EMSURE 1.06580.0500 500 G 28352200 2790 1.06580.5000 5 KG 28352200 15040 1.06580.1000 1 KG 28352200 4280 EMPLURA 1.94977.0521 500 g 28331910 430 1.94977.2521 2.5 kg 28331910 1720 EMPLURA 1.93504.9051 50 kg 28151110 POR 1.93504.5021 5 kg 28151110 1540 1.93504.1021 1 kg 28151110 520 Sodium hydroxide pellets (low chloride) for analysis EMPARTA 1.93102.0521 500 g 28151110 370 1.93102.9051 50 kg 28151110 POR 1.93102.5021 5 kg 28151110 2440 Sodium hydroxide pellets EMPLURA 1.93502.9051 50 kg 28151110 POR 1.93502.0521 500 g 28151110 340 1.93502.5021 5 kg 28151110 2060 Sodium hydroxide pellets for analysis (MAX. 0.0002% K) EMSURE ACS, Reag. Ph Eur 1.06495.0250 250 g 28151100 9570 1.06495.1000 1 KG 28151100 POR 1.06495.5000 5 Kg 28151100 POR Sodium hydroxide solution c(naoh) = 0.1 mol/l (0.1N solution) 60914105001730 500 ml 28151200 230 Sodium hydroxide solution for 500 ml, c(naoh) = 0.1 mol/l (0.1 N) Titrisol 60995900011730 3 a 28151200 380 Sodium hydroxide solution for 500 ml, c(naoh) = 1 mol/l (1N) Titrisol 60995600011730 2 a 28151200 270 Sodium hypochlorite solution approximately 4% w/v available chlorine EMPLURA 1.93607.5021 5 lit 28289019 630 1.93607.1021 1 lit 28289019 350 1.93607.9026 25 lit 28289019 POR Sodium iodide EMPLURA 1.93665.0251 250 g 28276020 4190 1.93665.0121 100 g 28276020 1930 Sodium iodide for analysis EMSURE ACS, Reag. Ph Eur 1.06523.0250 250 G 28276000 13520 1.06523.0100 100 G 28276000 7090 1.06523.1000 1 KG 28276000 33750 1.93257.0121 100 g 28299030 2450 Sodium metaperiodate for analysis EMPARTA ACS 1.93257.0521 500 g 28299030 8400 Sodium metaperiodate for analysis EMSURE ACS,Reag. Ph Eur 1.06597.0250 250 G 28299080 13050 1.06597.1000 1 KG 28299080 32600 Sodium molybdate dihydrate for analysis EMSURE 1.06521.0250 250 G 28417000 14570 1.06521.0100 100 G 28417000 12490 1.06521.1000 1 KG 28417000 36560 Sodium molybdate EMPLURA 1.93639.0251 250 g 28417020 3070 1.93639.1021 1 kg 28417020 11080 Sodium molybdate for analysis EMPARTA 1.93239.1021 1 kg 28417020 12470 1.93239.0251 250 g 28417020 2930 1.93239.0121 100 g 28417020 1220 Sodium nitrate EMPLURA 1.93631.0521 500 g 31025000 350 1.93631.9051 50 kg 31025000 POR Sodium nitrate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.06537.0500 500 G 31051000 3980 1.06537.1000 1 KG 31051000 6130 Sodium nitrite EMPLURA 1.93654.9051 50 kg 28341010 POR 1.93654.0521 500 g 28341010 410 1.93654.5021 5 kg 28341010 3100 Sodium nitrite GR 61806805001730 500 g 28341010 430 Sodium nitroprusside dihydrate for analysis 1.94924.0121 100 g 28372050 670 di-sodium oxalate for analysis EMSURE 1.06557.0250 250 G 29171100 6180 1.06557.1000 1 KG 29171100 15460 61758705001730 500 g 29171190 440 Sodium peroxide granular for analysis 1.93912.0121 100 g 28153000 2780 1.93912.0521 500 g 28153000 12440 Sodium peroxidisulfate for analysis EMSURE 1.06609.0500 500 G 28334000 3580 1.06609.1000 1 KG 28334000 5510 Sodium peroxodisulfate for analysis EMPARTA 1.93234.0521 500 g 28334000 480 tri-sodium phosphate dodecahydrate EMPLURA 1.93614.9051 50 kg 28352990 POR 1.93614.0521 500 g 28352990 370 tri-sodium phosphate dodecahydrate for analysis 1.93214.9051 50 kg 28352990 POR 1.93214.0521 500 g 28352990 410 1.93214.5021 5 kg 28352990 3220 tetra-sodium pyrophosphate for analysis 1.93251.9051 50 kg 28353900 POR 1.93251.0521 500 g 28353900 1110 1.93251.5021 5 kg 28353900 10830 Sodium salicylate EMPLURA 1.93702.0521 500 g 29182120 620 Sodium salicylate GR 10660102501730 250 g 29182120 3590 Sodium sulfate anhydrous EMPLURA 1.93635.0521 500 g 28331100 220 1.93635.9051 50 kg 28331100 POR 1.93635.5021 5 kg 28331100 1470 Sodium sulfate anhydrous for analysis 1.93235.9051 50 kg 28331100 POR 1.93235.0521 500 g 28331100 280 Sodium sulfate anhydrous for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.06649.5000 5 KG 28331100 28560 1.06649.0500 500 G 28331100 5310 1.06649.1000 1 KG 28331100 8170 1.93261.0521 500 g 28321010 260 1.93261.9051 50 kg 28321010 POR Reagents & Chemicals 45

Part 1 Analytical & Chemistry EMSURE Reag. Ph Eur 1.06657.0500 500 G 28321000 2280 1.06657.1000 1 KG 28321000 3490 1.06657.5000 5 KG 28321000 12170 di-sodium tartrate dihydrate EMPLURA 1.93685.0521 500 g 29181390 1190 di-sodium tartrate dihydrate for analysis 1.93250.0251 250 g 29181390 840 di-sodium tartrate dihydrate for analysis EMSURE 1.06663.0250 250 G 29181300 5510 1.06663.1000 1 KG 29181300 13780 di-sodium tetraborate decahydrate EMPLURA 1.93697.0521 500 g 28401100 300 Sodium tetraphenylborate for analysis 1.94913.1021 1 kg 29319090 66070 1.94913.0011 10 g 29319090 1510 Sodium thiosulfate pentahydrate EMPLURA 1.93648.0521 500 g 28323010 190 1.93648.5021 5 kg 28323010 1520 Sodium thiosulfate pentahydrate for analysis 1.93248.0521 500 g 28323010 360 1.93248.5021 5 kg 28323010 2660 Sodium thiosulfate pentahydrate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.06516.0500 500 G 28323000 5710 1.06516.1000 1 KG 28323000 8780 1.06516.5000 5 KG 28323000 30730 Sodium thiosulfate solution 60995000011730 3 a 28323010 370 Sodium tungstate dihydrate EMPLURA 1.93704.0251 250 g 28418010 2440 Sodium tungstate dihydrate for analysis EMSURE 1.06673.1000 1 KG 28418000 29450 1.06673.0250 250 G 28418000 11780 Sorbic acid 61878790261730 25 kg 29161960 POR SPADNS (1,8-Dihydroxy-2-(4-sulfophenylazo) naphthalene-3,6-disulfonic acid trisodium salt) for analysis 1.94928.0006 5 g 29270090 2310 spray-dried for analysis EMSURE ACS, Reag. Ph Eur 1.05941.0250 250 G 28332980 3010 Starch iodide paper 61764300011730 5 Bkts 38220090 190 Starch soluble for analysis 1.93317.0521 500 g 35051010 1440 1.93317.5021 5 kg 35051010 12830 Strontium nitrate EMPLURA 1.93710.0521 500 g 28342910 530 1.93710.5021 5 kg 28342910 4970 Strontium nitrate for analysis EMSURE 1.07872.0250 250 G 28342980 6480 Succinic acid for analysis 1.93019.0521 500 g 29171930 2440 Succinic acid for analysis EMSURE 1.00682.0250 250 G 29171980 4400 Sucrose (saccharose) EMPLURA 1.94953.0521 500 g 17019990 380 1.94953.5021 5 kg 17019990 2630 1.94953.9051 50 kg 17019990 POR Sucrose for analysis 1.94921.1021 1 kg 17019990 1310 Sulfamic acid EMPLURA 1.94978.0521 500 g 28111990 390 1.94978.9051 50 kg 28111990 POR Sulfanilic acid for analysis 1.94930.0121 100 g 29214234 620 Sulfuric acid 0.02N solution 61846305001730 500 ml 28070010 220 Sulfuric acid 95-97% for analysis EMSURE ISO 1.00731.1000 1 L 28070000 3260 1.00731.2500 2.5 L 28070000 6390 1.00731.1011 1 L 28070000 2990 1.00731.2510 2.5 L 28070000 6750 1.00731.2511 2.5 L 28070000 5890 Sulfuric acid 98% for analysis EMSURE 1.12080.1000 1 L 28070000 3350 1.12080.2500 2.5 L 28070010 6560 1.12080.2510 2.5 L 28070010 6900 Sulfuric acid about 98% EMPLURA 1.93400.5021 5 lit 28070010 1140 1.93400.2521 2.5 Lt 28070010 990 1.93400.0521 500 ml 28070010 340 1.93400.9031 30 lit 28070010 POR Sulfuric acid about 98% for analysis EMPARTA ACS 1.93000.2521 2.5 Lt 28070010 1090 1.93000.5021 5 lit 28070010 1550 1.93000.0521 500 ml 28070010 370 Sulfuric acid for 500 ml c(h2so4) = 0.05 mol/l (0.1N) Titrisol 60998400011730 3 a 28070010 390 Sulfuric acid for 500 ml c(h2so4) = 0.5 mol/l (1N) Titrisol 60998100011730 2 a 28070010 350 Sulfurous acid 5-6% SO2 GR 60076105001730 500 ml 28111990 390 61825105001730 500 g 28020010 330 L(+)-Tartaric acid EMPLURA 1.93417.0521 500 g 29181200 1380 1.93417.9051 50 kg 29181200 POR L(+)-Tartaric acid for analysis 1.93017.0521 500 g 29181200 1480 1.93017.5021 5 kg 29181200 10390 L(+)-Tartaric acid for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.00804.0250 250 G 29181200 2870 1.00804.1000 1 KG 29181200 7970 1.00804.5000 5 KG 29181200 29700 TestCHLOR 61765801001730 100 ml 38220090 190 TestCHLOR Papers for determination of free chlorine 5 to 100 ppm 61794400011730 10 bkts 38220090 290 Tetrabutylaonium dihydrogen phosphate for analysis EMPARTA 1.94934.0026 25 g 29239000 17100 Tetrabutylaonium hydroxide 20% in water EMPLURA 1.94958.0121 100 ml 29239000 2940 Tetrabutylaonium hydroxide 25% in methanol EMPLURA 1.94957.0121 100 ml 29239000 3490 Tetrabutylaonium hydroxide solution 0.1N in 61858305001730 500 ml 38249090 2630 Tetrabutylaonium hydroxide solution 0.1N in water 61858405001730 500 ml 29239000 2040 Tetrabutylaonium hydroxide solution 10% in methanol 61850901001730 100 ml 38249090 2180 Tetrabutylaonium hydroxide solution 10% in methanol/toluene 61857501001730 100 ml 38220090 2260 Tetrabutylaonium hydroxide solution 10% in water 61857701001730 100 ml 29239000 2110 46 For information logon to www.merckmillipore.com www.sigmaaldrich.com

Tetrabutylaoniumhydroxide 40% in methanol EMPLURA 1.94956.0121 100 ml 29239000 6140 Tetrabutylaoniumhydroxide 40% in water EMPLURA 1.94955.0121 100 ml 29239000 6280 Tetrachloroethylene EMPLURA 1.00964.0521 500 ml 29032300 680 1.00964.2521 2.5 Lt 29032300 2810 Tetraheptylaonium bromide EMPLURA 1.94985.0026 25 g 29239000 7770 Tetrahydrofuran EMPLURA 1.08114.9027 25 lit 29321100 POR 1.08114.2521 2.5 Lt 29321100 2970 1.08114.0521 500 ml 29321100 680 1.08114.9221 200 lit 29321100 POR TETRAHYDROFURAN FOR ANALYSIS EMPARTA 1.07025.9027 25 lit 29031300 POR Tetrahydrofuran for analysis EMSURE ACS, Reag. Ph Eur 1.09731.1000 1 L 29321100 8970 1.09731.2500 2.5 L 29321100 22210 Tetrahydrofuran for Chromatography 60810110001730 1 lit 29321100 1610 60810125001730 2.5 Lt 29321100 4620 Tetramethylaonium hydroxide solution 25% in methanol EMPLURA 1.94969.0121 100 ml 29239000 5990 Tetramethylaonium hydroxide solution 25% in water EMPLURA Thymolphthalein indicator 10817500251730 25 g 29322090 870 Tin (metal) EMPLURA 1.93802.0121 100 g 80050000 1470 1.93802.1021 1 Kg 80050000 9930 Tin (metal) Powder 61860402501730 250 g 80070090 4070 Tin granulated for analysis (particle size about 4 ) EMSURE Reag. Ph Eur 1.07806.0250 250 G 80070080 14000 1.07806.1000 1 KG 80070080 35000 Tin(II) chloride dihydrate EMPLURA 1.93612.0251 250 g 28273990 1190 1.93612.0121 100 g 28273990 850 Tin(II) chloride dihydrate for analysis EMPARTA ACS 1.93212.0251 250 g 28273990 2020 1.93212.0121 100 g 28273990 960 Tin(II) chloride dihydrate for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.07815.0250 250 G 28273910 7900 1.07815.0100 100 G 28273910 4740 1.07815.1000 1 KG 28273910 23680 Titanium(IV) oxide EMPLURA 1.93803.9026 25 kg 28230090 POR 1.93803.0521 500 g 28230090 500 Titanium(IV) oxide for analysis EMSURE Reag. Ph Eur 1.00808.1000 1 KG 28230000 5300 Toluene for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.08325.1000 1 L 29023000 7120 1.08325.2500 2.5 L 29023000 17120 1.08325.2511 2.5 L 29023000 15600 Toluene for Chromatography 60832710001730 1 lit 29023000 840 p-toluene sulfonic acid monohydrate EMPLURA 1.93426.0521 500 g 29041090 670 Total hardness indicator tablets 61755200011730 100 tab 38220090 160 Trichloroacetic acid EMPLURA 1.94971.0521 500 g 29154030 680 Trichloroacetic acid for analysis EMSURE ACS, Reag. Ph Eur 1.00807.1000 1 KG 29154000 10350 1.00807.0100 100 G 29154000 3750 1.00807.0250 250 G 29154000 4660 Trichloroethylene EMPLURA 1.00958.2521 2.5 Lt 29032200 2370 1.00958.9027 25 lit 29032200 POR 1.00958.0521 500 ml 29032200 620 Triethanolamine EMPARTA 1.94611.0521 500 ml 29221310 690 1.94611.2521 2.5 Lt 29221310 2770 Triethanolamine EMPLURA 1.94526.0521 500 ml 29221310 650 1.94526.9027 25 lit 29221310 POR 1.94526.2521 2.5 Lt 29221310 2890 Reagents & Chemicals 1.94968.0121 100 ml 29239000 6080 Tetra-n-butylaonium hydrogen 1.94926.0121 100 g 29239000 3000 Tetra-n-butylaonium hydrogen sulfate for analysis EMPARTA 1.94926.0026 25 g 29239000 830 Thioglycollic acid about 80% EMPLURA 1.94980.0521 500 ml 28470000 1770 Thiourea for analysis EMPART 25 KG 1.94902.9027 25 Kg 29309010 POR Thiourea for analysis 1.94902.0521 500 g 29309010 980 1.94902.5021 5 kg 29309010 7790 Thiourea Special Grade 25 KG 61850490261730 25 Kg 29309010 POR Thymol blue indicator 61826500251730 25 g 29349900 810 Titriplex III P 50 KG 61780090511730 50 kg 29224990 POR Titriplex III Pure (ethylene dinitrilo tetraacetic acid disodium salt dihydrate) 61780050001730 5 kg 29224990 7420 61780001001730 100 g 29224990 270 Titriplex III solution for 500 ml, c(c10h14n2na2o8.2h2o) 60999200011730 2 a 29224990 390 Toluene EMPLURA 1.08323.2521 2.5 Lt 29023000 1270 1.08323.9027 25 lit 29023000 POR 1.08323.9221 200 lit 29023000 POR 1.08323.0521 500 ml 29023000 360 Toluene for analysis 1.07019.2521 2.5 Lt 29023000 1470 1.07019.0521 500 ml 29023000 410 Triethylamine for analysis EMPARTA 1.94920.0521 500 ml 29211190 540 1.94920.2521 2.5 Lt 29211190 2190 Triethylamine for Chromatography 61855010001730 1 lit 29211190 3750 Triethylamine for synthesis 8.08352.2521 2.5 Lt 29211190 1880 8.08352.0521 500 ml 29211190 470 61872905001730 500 ml 29159090 6560 8.08260.0521 500 ml 29159090 6990 8.08260.0121 100 ml 29159090 2180 Tris (hydroxymethyl) aminomethane for analysis 1.93315.9026 25 kg 29221990 POR 1.93315.0521 500 g 29221990 3570 47

Part 1 Analytical & Chemistry Tween 20 for synthesis 8.22184.0521 500 ml 34021300 1310 8.22184.2521 2.5 Lt 34021300 5380 8.22184.9027 25 lit 34021300 POR Tween 80 for synthesis 8.22187.0521 500 ml 34021300 1220 8.22187.2521 2.5 Lt 34021300 5900 Universal indicator solution ph 4-11 61765901001730 100 ml 38220090 160 Universal indicator solution ph 4-12 61765905001730 500 ml 38220090 290 Urea for analysis EMPARTA 1.94910.5021 5 kg 31021000 3140 Urea for analysis 1.94910.9051 50 kg 31021000 POR 1.94910.0521 500 g 31021000 470 Vanillin for synthesis 61860301001730 100 g 29124100 870 Vanillin GR 61911701001730 100 g 29124100 1790 61911700251730 25 g 29124100 480 61837105001730 500 ml 38220090 210 Wanklyn s solution 61837205001730 500 ml 38220090 320 Water EMPLURA 1.94507.5021 5 lit 28530010 480 Water for Chromatography 61765010001730 1 lit 28530010 410 Xylene (mixture of isomers) EMPLURA 60868525001730 2.5 Lt 29024100 1270 60868590251730 25 lit 29024100 POR 60868505001730 500 ml 29024100 380 o-xylene EMPLURA 1.94972.2521 2.5 Lt 29024100 1480 Xylene low in sulfur (mixture of isomers) for analysis 1.94600.2521 2.5 Lt 29024100 1550 1.94600.9027 25 lit 29024100 POR 1.94600.0521 500 ml 29024100 480 Xylene low in sulfur for syn 2,5 L 61842325001730 2.5 Lt 29024100 1280 Xylenol orange indicator 61858100051730 5 g 29349900 650 Zinc acetate dihydrate EMPLURA 1.93692.0521 500 g 29152990 560 Zinc acetate dihydrate for analysis EMSURE ACS 1.08802.0250 250 G 29152900 2900 1.08802.1000 1 KG 29152900 7230 Zinc chloride dry EMPLURA 1.93623.0521 500 g 28273990 500 1.93623.9026 25 kg 28273990 POR Zinc chloride for analysis EMSURE ACS, ISO, Reag. Ph Eur 1.08816.1000 1 KG 28273985 8350 1.08816.0250 250 G 28273985 3340 1.93904.0521 500 g 79011200 1100 Zinc nitrate hexahydrate EMPLURA 1.93703.0521 500 g 28342990 500 Zinc oxide EMPLURA 1.93801.5021 5 kg 28170010 4690 1.93801.9051 50 kg 28170010 POR 1.93801.0521 500 g 28170010 670 Zinc oxide for analysis EMSURE ACS, Reag. Ph Eur 1.08849.0500 500 G 28170000 5130 1.08849.1000 1 KG 28170000 8540 Zinc powder EMPLURA 1.93800.0521 500 g 79039000 840 1.93800.5021 5 kg 79039000 5480 Zinc sulfate heptahydrate EMPLURA 1.93640.0521 500 g 28332990 370 1.93640.9051 50 kg 28332990 POR Zinc sulfate heptahydrate for analysis EMSURE ACS,ISO, Reag. Ph Eur 1.08883.0500 500 G 28332920 3350 1.08883.5000 5 KG 28332920 18040 1.08883.1000 1 KG 28332920 5150 Zinc sulfate heptahydrate GR 61794505001730 500 g 28332990 500 Zinc sulfate monohydrate for analysis EMPARTA 1.93247.0521 500 g 28332990 480 1.93247.5021 5 kg 28332990 3960 48 For information logon to www.merckmillipore.com www.sigmaaldrich.com

Part - 2 LABORATORY GLASSWARE (ACTIRA TM ) Page Beakers 53 Bottles 54 Burettes 58 Condensers 61 Crucible 62 Cylinders 63 Desiccators 65 Dishes 65 Laboratory Glassware (ACTIRA TM ) Distillation Assembly 66 Flask - Boiling 67 Flask - Volumetric 71 Funnels 73 Jars 74 Pipettes 75 Stoppers 78 Tubes 79 Watch Glass 80 For more details contact: Merck Life Science Private Limited Tel : +91 22 6210 9000 Fax : +91 22 6210 9999 E-mail : lifescienceindia@merckgroup.com 49

Part 2 Analytical & Chemistry 50 For information logon to www.merckmillipore.com www.sigmaaldrich.com

51 Laboratory Glassware (ACTIRA TM )

Part 2 Analytical & Chemistry 52 For information logon to www.merckmillipore.com www.sigmaaldrich.com

BEAKERS 1.74031 - Beakers, Low Form, Graduated with Spout, as per ISO : 3819 / IS : 2619 Article O.D. Approx Height Qty./Case Price/Pc. 1.74031.0005 5 22 30 20 81 1.74031.0010 10 26 35 20 81 1.74031.0025 25 34 50 20 95 1.74031.0050 50 42 60 20 81 1.74031.0100 100 50 70 20 81 1.74031.0150 150*2 60 80 20 95 1.74031.0250 250 70 95 20 95 1.74031.0400 400 80 110 20 160 1.74031.0500 500*2 84 115 20 150 1.74031.0600 600 90 125 10 230 1.74031.1000 1000 105 145 10 320 1.74031.2000 2000 130 185 6 570 1.74031.3000 3000 150 210 1 1480 1.74031.5000 5000 170 275 1 2090 Note : 5 and 10 ml is not Graduated, Laboratory Glassware (ACTIRA TM ) 1.74033 - Beakers, Tall Form, Graduated with Spout as per ISO : 3819 / IS : 2619 Article O.D. Height Qty./Case Price/Pc. 1.74033.0100 100 48 80 20 150 1.74033.0250 250 60 120 20 150 1.74033.0500 500*2 76 140 20 200 1.74033.1000 1000 95 180 8 390 1.74034 - Beakers, Tall Form, Graduated without Spout as per ISO : 3819 / IS : 2619 Article O.D. Height Qty./Case Price/Pc. 1.74034.0100 100 48 80 20 150 1.74034.0250 250 60 120 20 170 1.74034.0500 500*2 76 140 20 200 1.74034.1000 1000 95 180 8 400 53

Part 2 Analytical & Chemistry BOTTLES 1.74041 - Bottle, B.O.D. with Interchangeable Stopper Article O.D. Height Qty./Case Price/Pc. 1.74041.0125 125 55 120 10 530 1.74041.0300 300 70 150 10 640 1.74044 - Bottles, Gas Washing, Complete with Interchangeable Stoppers Article Stopper size Qty/Case Price/Pc. 1.74044.0125 125 29/32 5 1170 1.74044.0250 250 29/32 5 1260 1.74044.0500 500 29/32 5 1550 1.74045 - Bottle, Reagent, AMBER, Graduated GL - 45, with Screw Cap & Pouring Ring as per ISO : 4796-1 Article O.D. Height Neck Size Qty./ Case Price/ Pc. 1.74045.0025 25 36 70 GL 25 20 450 1.74045.0050 50 46 87 GL 32 20 510 1.74045.0100 100 56 100 GL 45 10 580 1.74045.0250 250 70 138 GL 45 10 620 1.74045.0500 500 86 176 GL 45 10 720 1.74045.1000 1000 101 225 GL 45 8 950 1.74045.2000 2000 136 260 GL 45 6 1690 1.74045.5000 5000 181 330 GL 45 1 10050 1.74045.9010 10000 227 410 GL 45 1 13360 1.74045.9020 20000 288 505 GL 45 1 20520 54 For information logon to www.merckmillipore.com www.sigmaaldrich.com

1.74046 - Bottle, Reagent, Graduated GL - 45, with Screw Cap & Pouring Ring as per ISO : 4796-1 Article O.D. Height Neck Size Qty./ Case Price/ Pc. 1.74046.0025 25 36 70 GL 25 20 320 1.74046.0050 50 46 87 GL 32 20 340 1.74048 - Bottle, Reagent, Plain, Narrow Mouth, AMBER with Interchangeable Round Head Stopper as per ISO : 4796-2 Laboratory Glassware (ACTIRA TM ) Article O.D. Height Stopper Size Qty./ Case Price/ Pc. 1.74048.0060 60*2 45 95 14/23 20 580 1.74048.0125 125*2 55 95 19/26 20 630 1.74048.0250 250 70 128 19/26 20 750 1.74048.0500 500 86 162 24/29 20 960 1.74048.1000 1000 107 198 29/32 8 1280 1.74048.2000 2000 133 246 29/32 6 2120 1.74049 - Bottle, Reagent, Plain, Narrow Mouth, with Interchangeable Round Head Stopper as per ISO : 4796-2 Article O.D. Height Stopper Size Qty./ Case Price/ Pc. 1.74049.0060 60*2 45 95 14/23 20 380 1.74049.0125 125*2 55 120 19/26 20 400 1.74049.0250 250 70 128 19/26 20 440 1.74049.0500 500 86 162 24/29 20 470 1.74049.1000 1000 107 198 29/32 8 680 1.74049.2000 2000 133 246 29/32 6 1090 55

Part 2 Analytical & Chemistry 1.74050 - Bottle, Culture, Roux off set neck Article ml Qty./Case Price/Pc. 1.74050.1000 1000 10 1680 1.74053 - Bottle, Aspirator, with GL 45 Screw thread autoclavable Cap with Interchangeable stopcock, as per ISO : 4796-3 Article O.D. Height I.D. Outlet Qty./ Case Price/ Pc. 1.74053.1000 1000 101 225 19/26 4 2760 1.74053.2000 2000 136 260 19/26 4 3180 1.74053.5000 5000 181 330 29/32 1 10640 1.74053.9010 10000 227 410 29/32 1 16280 1.74053.9020 20000 228 505 29/32 1 19510 1.74055 - Bottle, Solution Plain tooled neck Narrow Mouth, without Stopper as per ISO : 4796-2 Article O.D. Height App. Neck ID Qty./ Case Price/ Pc. 1.74055.0250 250 70 128 18 20 330 1.74055.0500 500 86 162 23 20 350 1.74055.1000 1000 107 198 28 8 620 1.74055.2000 2000 133 246 28 6 1090 1.74055.5000 5000 181 318 44 1 6360 1.74055.9010 10000 227 398 59 1 9620 1.74055.9020 20000 288 492 59 1 16980 1.74056 - Bottles, Relative Density, with Capillary Bore Class A Accuracy, with Individual Article Tolerance ± ml O.D in Approx Ht in Stopper size Qty/ Case Price/ Pc. 1.74056.0010 10 0.3 24 50 10/19 5 1030 1.74056.0025 25 0.8 38 60 10/19 5 1200 1.74056.0050 50 1 49 70 10/19 5 1280 56 For information logon to www.merckmillipore.com www.sigmaaldrich.com

1.74057 - Bottles, Relative Density, with Capillary Bore Class B, Accuracy as per IS : 5717 Article Tolerance ± ml O.D in Approx Ht in Stopper size Qty/ Case Price/ Pc. 1.74057.0010 10 1 24 50 10/19 5 500 1.74057.0025 25 2 38 60 10/19 5 540 1.74057.0050 50 3 49 70 10/19 5 580 1.74059 - Wash Bottle, complete Assembly (Set) with Interchangeable Stopper Laboratory Glassware (ACTIRA TM ) Article O.D. Height Stopper Size Qty./ Case Price/ Pc. 1.74059.0250 250 85 225 24/29 5 720 1.74059.0500 500 105 280 24/29 5 950 1.74059.1000 1000 131 315 29/32 5 1170 1.74061 - Bottle, Weighing, with Interchangeable Stopper Article O.D. Height Qty./Case Price/Pc. 1.74061.0005 5 20 40 30 320 1.74061.0015 15 25 60 10 340 1.74061.0025 25 30 65 10 680 1.74061.0060 60 40 90 10 400 1.74061.0020 20*2 50 35 20 950 1.74061.0040 40*2 60 40 20 600 57

Part 2 Analytical & Chemistry BURETTES 1.74103 - Burettes, Double Oblique Bore, 3-Way, Accuracy as per Class A of ISO : 385 / IS : 1997 with Individual Article Graduation interval in ml Tolerance ± ml Ht in Qty/ Case Price/ Pc. 1.74103.0025 25 0.1 0.05 530 4 3770 1.74103.0050 50 0.1 0.05 780 4 4810 1.74104 - Burettes, Double Oblique Bore, 3-Way, Accuracy as per Class B of ISO : 385 / IS : 1997 Article Graduation interval in ml Tolerance ± ml Ht in Qty./ Case Price/ Pc. 1.74104.0025 25 0.1 0.1 530 4 2050 1.74104.0050 50 0.1 0.1 780 4 2970 1.74105 - Burette, Straight Bore Glass Stopcock, Accuracy as per ISO : 385 / IS : 1997 Class A Article Graduation Interval ml Tolerance ± ml Qty./Case Price/Pc. 1.74105.0010 10 0.05 0.03 4 2120 1.74105.0025 25 0.1 0.05 4 2120 1.74105.0050 50 0.1 0.05 4 2260 1.74105.0100 100 0.2 0.1 4 3540 58 For information logon to www.merckmillipore.com www.sigmaaldrich.com

1.74106 - Burette, Straight Bore Glass Stopcock, Accuracy as per ISO : 385 / IS : 1997 Class B Article Graduation Interval ml Tolerance ± ml Qty./Case Price/Pc. 1.74106.0010 10 0.05 0.05 4 770 1.74106.0025 25 0.1 0.1 4 760 1.74106.0050 50 0.1 0.1 4 820 1.74106.0100 100 0.2 0.2 4 1130 Laboratory Glassware (ACTIRA TM ) 1.74107 - Burette, Straight Bore PTFE Key Stopcock, Accuracy as per ISO : 385 / IS : 1997 Class A Article Graduation Interval ml Tolerance ± ml Qty./Case Price/Pc. 1.74107.0010 10 0.05 0.03 4 1850 1.74107.0025 25 0.1 0.05 4 1980 1.74107.0050 50 0.1 0.05 4 2480 1.74107.0100 100 0.2 0.1 4 3120 1.74108 - Burette, Straight Bore PTFE Key Stopcock, Accuracy as per ISO : 385 / IS : 1997 Class B Article Graduation Interval ml Tolerance ± ml Qty./Case Price/Pc. 1.74108.0010 10 0.05 0.05 4 910 1.74108.0025 25 0.1 0.1 4 960 1.74108.0050 50 0.1 0.1 4 1030 1.74108.0100 100 0.2 0.2 4 1340 59

Part 2 Analytical & Chemistry PTFE plunger, Accuracy as per ISO : 385 / IS : 1997 Class A with Article Graduation Interval ml Tolerance ± ml Qty./Case Price/Pc. 1.74109.0010 10 0.05 0.03 4 1950 1.74109.0025 25 0.1 0.05 4 2010 1.74109.0050 50 0.1 0.05 4 2270 1.74109.0100 100 0.2 0.1 4 3200 PTFE plunger, Accuracy as per ISO : 385 / IS : 1997 Class B Article Graduation Interval ml Tolerance ± ml Qty./Case Price/Pc. 1.74110.0010 10 0.05 0.05 4 680 1.74110.0025 25 0.1 0.1 4 630 1.74110.0050 50 0.1 0.1 4 690 1.74110.0100 100 0.2 0.2 4 1030 1.74111 - Burettes, Automatic Zero, with Reservoir, Rubber, Bellow, Glass Stopcock, Accuracy as per Class A of ISO : 385 / IS : 1997 Article Graduation Interval ml Tolerance ± ml Qty./Case Price/Pc. 1.74111.0010 10 0.05 0.03 1 7780 1.74111.0025 25 0.1 0.05 1 8480 1.74111.0050 50 0.1 0.05 1 9200 1.74111.0100 100 0.2 0.1 1 9890 60 For information logon to www.merckmillipore.com www.sigmaaldrich.com

CONDENSERS 1.74151 - Condenser, Allihn, Drip Tip, with I/C Inner & Outer Joint Article Jacket Length Overall Height I/C Joint Inner I/C Joint Outer Qty./ Case Price/ Pc. 1.74151.0200 200 350 19/26 19/26 4 540 1.74151.0300 300 450 24/29 24/29 4 680 1.74151.0400 400 550 24/29 24/29 4 780 1.74152 - Condenser, Allihn only for Extraction Apparatus Laboratory Glassware (ACTIRA TM ) Article I/C Joint Bottom Qty./Case Price/Pc. 1.74152.0060 60 34/35 5 550 1.74152.0100 100 40/38 5 770 1.74152.0200 200 50/42 5 1090 1.74153 - Condenser, Friedrichs, Drip Tip, with I/C Inner & Outer Joint Article Overall Height I/C Joint Inner I/C Joint Outer Qty./Case Price/Pc. 1.74253.0500 500 200 19/26 1 3040 1.74154 - Condenser, Graham, Coiled, Drip Tip, with I/C Inner & Outer Joint Article Jacket Length Overall Height I/C Joint Inner I/C Joint Outer Qty./ Case Price/ Pc. 1.74154.0300 300 450 24/29 24/29 4 660 1.74154.0400 400 550 24/29 24/29 4 850 1.74154.0500 500 650 24/29 24/29 4 1040 61

Part 2 Analytical & Chemistry 1.74155 - Condenser, Liebig, Drip Tip, with I/C Inner & Outer Joint Article Jacket Length Overall Height I/C Joint Inner I/C Joint Outer Qty./ Case Price/ Pc. 1.74155.0200 200 350 19/26 19/26 4 430 1.74155.0300 300 450 24/29 24/29 4 530 1.74155.0400 400 550 24/29 24/29 4 590 1.74156 - Condenser, Liebig, with Sealed Inner Tube Article Jacket Length Overall Height Qty./Case Price/Pc. 1.74156.0200 200 345 4 370 1.74156.0300 300 445 4 390 1.74156.0400 400 545 4 490 1.74156.0500 500 645 4 570 CRUCIBLE 1.74182 - Crucible, Gooch type, Low Form with Sintered Disc Article Porosity Grade Disc Dia. Height Qty./ Case Price/ Pc. 1.74182.0151 15 1 20 45 10 390 1.74182.0152 15 2 20 45 10 390 1.74182.0153 15 3 20 45 10 390 1.74182.0154 15 4 20 45 10 390 1.74182.0155 15 5 20 45 10 490 1.74182.0301 30 1 30 50 10 530 1.74182.0302 30 2 30 50 10 530 1.74182.0303 30 3 30 50 10 530 1.74182.0304 30 4 30 50 10 530 1.74182.0305 30 5 30 50 10 630 1.74182.0501 50 1 40 60 10 600 1.74182.0502 50 2 40 60 10 600 1.74182.0503 50 3 40 60 10 600 1.74182.0504 50 4 40 60 10 600 1.74182.0505 50 5 40 60 10 750 62 For information logon to www.merckmillipore.com www.sigmaaldrich.com

MEASURING CYLINDERS 1.74191 - Cylinder, Measuring, Graduated, with Spout with Hexagonal Base, Accuracy as per ISO : 4788 / IS : 878 Class A, with Article Graduation Interval ml Tolerance ± ml Qty./Case Price/Pc. 1.74191.0005 5 0.1 0.05 10 510 1.74191.0010 10 0.2 0.1 10 680 1.74191.0025 25 0.5 0.25 10 810 1.74191.0050 50 1 0.5 10 910 1.74191.0100 100 1 0.5 10 1230 1.74191.0250 250 2 1 10 1420 Laboratory Glassware (ACTIRA TM ) 1.74191.0500 500 5 2.5 4 1910 1.74191.1000 1000 10 5 4 2350 1.74191.2000 2000 20 10 4 4530 1.74192 - Cylinder, Measuring, Graduated, with Spout with Hexagonal Base, Accuracy as per ISO : 4788 / IS : 878 Class B Article Graduation Interval ml Tolerance ± ml Qty./Case Price/Pc. 1.74192.0005 5 0.1 0.1 10 280 1.74192.0010 10 0.2 0.2 10 380 1.74192.0025 25 0.5 0.5 10 430 1.74192.0050 50 1 1 10 490 1.74192.0100 100 1 1 10 640 1.74192.0250 250 2 2 10 880 1.74192.0500 500 5 5 4 1160 1.74192.1000 1000 10 10 4 1740 1.74192.2000 2000 20 20 4 3350 63

Part 2 Analytical & Chemistry 1.74193 - Cylinder, Measuring, Graduated with Interchangeable Stopper with Hexagonal Base, Accuracy as per ISO : 4788 / IS : 878 Class A Article Graduation Interval ml Tolerance ± ml Stopper Size Qty./ Case Price/ Pc. 1.74193.0005 5 0.1 0.05 10/19 10 820 1.74193.0010 10 0.2 0.1 10/19 10 910 1.74193.0025 25 0.5 0.25 14/23 10 1070 1.74193.0050 50 1 0.5 14/23 10 1220 1.74193.0100 100 1 0.5 19/26 10 1430 1.74193.0250 250 2 1 24/29 10 2240 1.74193.0500 500 5 2.5 24/29 4 2860 1.74193.1000 1000 10 5 29/32 4 3490 1.74193.2000 2000 20 10 34/35 4 5570 1.74194 - Cylinder, Measuring, Graduated with Interchangeable Stopper with Hexagonal Base, Accuracy as per ISO : 4788 / IS : 878 Class B Article Graduation Interval ml Tolerance ± ml Stopper Size Qty./ Case Price/ Pc. 1.74194.0005 5 0.1 0.1 10/19 10 450 1.74194.0010 10 0.2 0.2 10/19 10 470 1.74194.0025 25 0.5 0.5 14/23 10 530 1.74194.0050 50 1 1 14/23 10 600 1.74194.0100 100 1 1 19/26 10 750 1.74194.0250 250 2 2 24/29 10 1240 1.74194.0500 500 5 5 24/29 4 1730 1.74194.1000 1000 10 10 29/32 4 2490 1.74194.2000 2000 20 20 34/35 4 4310 1.74196 - Cylinder, Color Comparison, Nessler, Flat Bottom Graduated as per IS : 4161 Article O.D. Height Qty./Case Price/Pc. 1.74196.0050 50 26 150 10 200 1.74196.0100 100 34 180 10 320 64 For information logon to www.merckmillipore.com www.sigmaaldrich.com

DESICCATORS 1.74223 - Desiccators with Cover, Plain, Clear Soft Glass Article Size Qty./Case Price/Pc. 1.74223.0160 160 1 4960 1.74223.0210 210 1 5650 1.74223.0240 240 1 7360 1.74223.0300 300 1 10030 1.74224 - Desiccators with cover & stopcock, Vacuum, Clear Soft Glass Article Size Qty./Case Price/Pc. 1.74224.0160 160 1 6500 Laboratory Glassware (ACTIRA TM ) 1.74224.0210 210 1 8200 1.74224.0240 240 1 10610 1.74224.0300 300 1 21210 DISHES 1.74232 - Dishes - Culture, Petri, Major Dimension as per IS : 2626 Article Size inch O.D. of Bottom in Height of Bottom in I.D. of Top in Height of Top in Qty./ Case Price/ Pc. 1.74232.0050 2 50 17 53 15 40 190 1.74232.0075 3 75 17 78 15 40 240 1.74232.0100 4 100 17 103 15 40 300 1.74233 - Dishes, Evaporating, Flat Bottom, with Pour Out, made from Low Expansion Borosilicate Glass Article O.D Ht Qty./Case Price/Pc 1.74233.0080 80 45 20 300 1.74233.0105 105 55 20 850 1.74233.0150 150 80 20 1400 1.74233.0200 200 100 10 2970 65

Part 2 Analytical & Chemistry DISTILLATION ASSEMBLY 1.74251 - Distilling Apparatus, Dean & Stark for Moisture Testing Article Qty./Case Price/Pc. 1.74251.0010 10 1 2390 1.74252 - Distilling Apparatus, Aonia, with Graham Condenser, with I/C Joint Article I/C Joint Flasks I/C Joint condenser Qty./Case Price/Pc. 1.74252.0500 500 24/29 19/26 1 3190 EXTRACTION 1.74271 - Extractor Apparatus, Soxhlet Complete with Allihn Condensers with I/C Joint Article Flask Size ml Qty./Case Price/Pc. 1.74271.0060 60 150 1 1490 1.74271.0100 100 250 1 1850 1.74271.0200 200 500 1 2760 1.74272 - Extractors, Soxhlet with I/C Joint as per ISO : 10640 Article I/C Joint Top I/C Joint Bottom Qty./Case Price/Pc. 1.74272.0060 60 34/35 24/29 5 810 1.74272.0100 100 40/38 24/29 5 860 1.74272.0200 200 50/42 24/29 5 1240 66 For information logon to www.merckmillipore.com www.sigmaaldrich.com

FLASKS 1.74281 - Flask, Boiling, Flat Bottom as per ISO : 1773 / IS : 1381 Part - 1 Article O.D. Height Neck OD Qty./ Case Price/ Pc. 1.74281.0025 25*2 42 90 20 20 110 1.74281.0050 50 51 90 26 20 130 1.74281.0100 100 64 105 26 20 130 1.74281.0250 250 85 138 34 20 150 1.74281.0500 500 105 163 34 20 230 1.74281.1000 1000 131 190 42 6 330 1.74281.2000 2000 166 230 50 6 620 1.74281.3000 3000*2 186 300 50 4 1850 1.74281.5000 5000*2 223 340 60 1 2970 1.74281.9010 10000 279 360 65 1 6090 Laboratory Glassware (ACTIRA TM ) 1.74282 - Flask, Boiling, Flat Bottom, Short Neck, with I/C Joint as per ISO : 4797 Series 2 / IS : 1381 Part - 2 Article O.D. Height I/C Joint Qty./ Case Price/ Pc. 1.74282.0150 150*2 75 115 24/29 20 190 1.74282.0250 250 85 125 24/29 20 210 1.74282.0500 500 105 145 24/29 10 330 1.74286 - Flask, Boiling, Round Bottom, as per ISO : 1773 / IS : 1381 Part - 1 Article O.D. Height Neck OD Qty./ Case Price/ Pc. 1.74286.0050 50 51 95 26 20 110 1.74286.0100 100 64 110 26 20 140 1.74286.0150 150*2 75 137 28 20 140 1.74286.0250 250 85 143 34 20 140 1.74286.0500 500 105 86 34 20 230 1.74286.1000 1000 131 200 42 6 320 1.74286.2000 2000 166 240 50 6 600 1.74286.3000 3000*2 186 310 50 4 1720 1.74286.5000 5000*2 223 350 60 1 2820 1.74286.9010 10000 279 380 65 1 6230 1.74286.9020 20000*2 375 550 90 1 10610 67

Part 2 Analytical & Chemistry 1.74291 - Flask, Boiling, Round Bottom, Short Neck, with I/C Joint as per ISO : 4797 Series 2 / IS : 1381 Part - 2 Article O.D. Height I/C Joint Qty./ Case Price/ Pc. 1.74291.0100 100 64 110 24/29 20 190 1.74291.0250 250 85 135 24/29 20 240 1.74291.0500 500 105 155 24/29 10 340 1.74291.1000 1000 131 185 24/29 4 470 1.74291.2000 2000 166 220 24/29 6 890 1.74291.3000 3000*2 186 255 34/35 4 2550 1.74291.9010 10000 279 350 45/40 1 7780 1.74293 - Flask, Distilling with Side Arm, as per ASTM E 1405, Type -1 Class -1 / IS : 2620 Article O.D. Height Neck O.D. Qty./ Case Price/ Pc. 1.74293.0100 100*2 64 210 21 20 250 1.74293.0125 125 68 214 22 20 280 1.74293.0250 250 88 226 25 20 330 1.74293.0500 500 110 248 28 4 430 1.74294 - Flask, Conical, Amber, Narrow Mouth, Graduated, as per ISO : 1773 / IS : 1381, Part -1 Article O.D. Height Neck O.D. Qty./ Case Price/ Pc. 1.74294.0100 100 64 105 22 10 190 1.74294.0150 150*2 72 124 28 10 210 1.74294.0250 250 85 145 34 10 240 1.74294.0500 500 105 180 34 10 450 1.74294.1000 1000 131 220 42 6 750 68 For information logon to www.merckmillipore.com www.sigmaaldrich.com

1.74295 - Flask, Conical, Narrow Mouth, Graduated, as per ISO : 1773 / IS : 1381 Part-1 Article O.D. Height Neck O.D. Qty./ Case Price/ Pc. 1.74295.0010 10 2 34 60 15 20 84 1.74295.0025 25 42 75 22 20 95 1.74295.0050 50 51 90 22 20 95 1.74295.0100 100 64 105 22 40 84 1.74295.0150 150*2 72 124 28 20 130 1.74295.0250 250 85 145 34 40 150 1.74295.0500 500 105 180 34 20 200 1.74295.1000 1000 131 220 42 6 350 1.74295.2000 2000 166 280 50 4 590 1.74295.3000 3000 187 310 50 1 1690 1.74295.5000 5000 220 365 50 1 2760 Laboratory Glassware (ACTIRA TM ) 1.74296 - Flask, Conical, Narrow Mouth, with I/C Joint, as per ISO : 4797 Series 1 / IS : 1381 Part - 2 Article O.D. Height I/C Joint Qty./ Case Price/ Pc. 1.74296.0025 25 42 70 14/23 10 180 1.74296.0050 50 51 85 19/26 10 200 1.74296.0100 100 64 100 24/29 10 240 1.74296.0250 250 85 140 24/29 10 250 1.74296.0500 500 105 175 24/29 10 370 1.74296.1000 1000 131 220 29/32 10 680 1.74297 - Flask, Conical, Narrow Mouth, with I/C Stopper, Joint as per ISO : 4797 Series 1 / IS : 1381 Part - 2 Article O.D. Height I/C Joint Qty./ Case Price/ Pc. 1.74297.0025 25 42 70 14/23 10 190 1.74297.0050 50 51 85 19/26 10 210 1.74297.0100 100 64 100 24/29 20 240 1.74297.0250 250 85 140 24/29 20 320 1.74297.0500 500 105 175 24/29 10 500 1.74297.1000 1000 131 220 29/32 6 710 69

Part 2 Analytical & Chemistry 1.74298 - Flask, Conical with Screw Cap Article O.D. Height Qty./Case Price/Pc. 1.74298.0100 100 64 100 20 260 1.74298.0150 150 72 125 20 330 1.74298.0250 250 85 140 20 390 1.74298.0500 500 105 175 10 470 1.74298.1000 1000 131 220 10 890 1.74299 - Flask, Conical, Wide Mouth, Graduated as per ISO : 24450 Article O.D. Qty./ Case Price/ Pc. Height Neck O.D. 1.74299.0100 100 64 105 34 20 110 1.74299.0250 250 85 140 50 20 170 1.74299.0500 500 105 175 50 10 250 1.74299.1000 1000 131 220 50 6 440 1.74300 - Flask, Filtering, Heavy Wall, Bolt Neck, with Tubulation as per ISO : 6556 Article O.D. Height I.D at Neck in Tubulation size in Qty./ Case Price/ Pc. 1.74300.0050 50*2 52 80 24 10 20 230 1.74300.0100 100 70 105 24 10 20 350 1.74300.0250 250 85 145 35 10 20 500 1.74300.0500 500 105 175 35 10 10 600 1.74300.1000 1000 135 230 45 10 6 910 1.74300.2000 2000 165 275 45 10 4 1850 1.74300.5000 5000 237 450 50 13 1 7070 1.74300.9010* 10000 227 450 80 13 1 12170 1.74300.9020* 20000 288 580 85 13 1 19100 * 10L and 20L are bottle shaped. 1.74301 - Flask, Iodine Determination, with I/C Stopper Article O.D. Height I/C Joint Qty./ Case Price/ Pc. 1.74301.0100 100 64 122 24/29 20 240 1.74301.0250 250 85 150 24/29 20 320 1.74301.0500 500 105 198 24/29 20 370 70 For information logon to www.merckmillipore.com www.sigmaaldrich.com

1.74302 - Flask, Kjeldahl, Round Bottom Article O.D. Height Qty./Case Price/Pc. 1.74302.0100 100 64 220 20 210 1.74302.0300 300 85 290 20 350 1.74302.0500 500 100 330 20 710 1.74302.0800 800 118 385 8 840 1.74303 - Flask, Kjeldahl, Round Bottom, with I/C Joint Article O.D. I/C Joint Height Qty./ Case Price/ Pc. 1.74303.0500 500 100 330 24/29 20 860 1.74303.0800 800 118 385 24/29 8 950 Laboratory Glassware (ACTIRA TM ) 1.74304 - Flask, Volumetric with I/C Stopper, Amber, Accuracy as per ISO : 1042 / IS : 915 with Class A Article Tolerance ± ml Stopper Size Qty./Case Price/Pc. 1.74304.0005 5 0.025 10/19 10 1050 1.74304.0010 10 0.025 10/19 10 920 1.74304.0020 20 0.04 10/19 10 970 1.74304.0025 25 0.04 10/19 10 840 1.74304.0050 50 0.06 12/21 10 840 1.74304.0100 100 0.1 14/23 10 890 1.74304.0200 200 0.15 14/23 10 1100 1.74304.0250 250 0.15 14/23 10 1110 1.74304.0500 500 0.25 19/26 4 1690 1.74304.1000 1000 0.4 24/29 4 2290 1.74304.2000 2000 0.6 29/32 4 3680 1.74305 - Flask, Volumetric with I/C Stopper, Amber, Accuracy as per ISO : 1042 / IS : 915 Class B Article Tolerance ± ml Stopper Size Qty./Case Price/Pc. 1.74305.0005 5 0.05 10/19 10 440 1.74305.0010 10 0.05 10/19 10 400 1.74305.0020 20 0.08 10/19 10 400 1.74305.0025 25 0.08 10/19 10 390 1.74305.0050 50 0.12 12/21 10 440 1.74305.0100 100 0.2 14/23 10 500 1.74305.0200 200 0.3 14/23 10 530 1.74305.0250 250 0.3 14/23 10 540 1.74305.0500 500 0.5 19/26 4 770 1.74305.1000 1000 0.8 24/29 4 1200 1.74305.2000 2000 1.2 29/32 4 2120 71