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J & K SCIENTIFIC LTD.??? ?? ??? ?????.

?? ?:J & K SCIENTIFIC LTD.
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??:China
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Ethyl methanesulfonate, 98.5%???????????62-50-0C3H8O3S
Dipropylene glycol, 99%, mixture of isomers????????110-98-5C6H14O3
Trypsin, from porcine pancreas, 2500 units/mg???9002-07-7C35H47N7O10
5-Butyrylamino-naphthalene-1-sulfonyl chloride5-??????-????-1-??????728864-72-0C14H14ClNO3S
N-(3-Formylphenyl)methanesulphonamideN-(3-?????)???????55512-05-5C8H9NO3S
2-Chloro-3-Methoxybenzaldehyde2-???-3-?????????54881-49-1C8H7ClO2
2-(1,4-Diazepan-1-yl)nicotinonitrile, 95%2-(1,4-????-1-?)???????352018-97-4C11H14N4
2-Naphthyl Myristate7262-80-8C24H34O2
4-Tetrahydro-1H-pyrrol-1-ylpent-3-en-2-one, 97%3389-57-9C9H15NO
Heptylcyclohexane5617-41-4C13H26
5-Bromo-N-isopropylpyridine-2-carboxamide5-???-N-???????????845305-90-0C9H11BrN2O
Propionaldehyde DiMethyl Acetal??????????????4744-10-9C5H12O2
3-Fluoro-4-methylphenylacetic acid3-????-4-????????261951-74-0C9H9FO2
1-Iodo-1,2-bis(perfluoro-n-butyl)ethane1-IODO-1,2-BIS(PERFLUORO-N-BUTYL)??53638-10-1C10H3F18I
7-methylimidazo[1,2-a]pyridine-2-carboxylic acid(SALTDATA: 0.5H2O)7-??-????[1,2-A]???-2-????80353-94-2C9H8N2O2
M-(4-Fluorophenoxy)tolueneM-(4-???????)???1514-26-7C13H11FO
3-Fluoro-N-methylpyrid-2-ylmethylamine, Tech.3-????-N-?????-2-?????884507-13-5C7H9FN2
4-(1H-imidazol-1-ylmethyl)piperidine(SALTDATA: 2HCl)4-(1H-????-1-???)-????90748-03-1C9H15N3
2,3-Difluorochlorobenzene2,3-??????????36556-47-5C6H3ClF2
4'-Nitrobenzo-15-crown-5, 98%60835-69-0C14H19NO7
Sudan Black B, high purity biological stain?? ?? B4197-25-5C29H24N6
Ethyl 3-pyridylacetate, 99%39931-77-6C9H11NO2
4,4,4-Trifluoroacetoacetic acid methyl ester, 96%??4,4,4-??????????????83643-84-9C5H5F3O3
Iron(III) fluoride trihydrate, 98%? ??????? ?????15469-38-2F3FeH6O3
(R)-(-)-3-Hydroxytetrahydrofuran, 98%86087-24-3C4H8O2
2-Cyano-6-methoxybenzothiazole, 99%2-???-6-????????943-03-3C9H6N2OS
2-Hydroxybenzotrifluoride, 98%444-30-4C7H5F3O
2,4-Difluorophenylacetic acid, 97%81228-09-3C8H6F2O2
2-Chloro-4-(trifluoromethylphenyl)boronic acid, 98%254993-59-4C7H5BClF3O2
2-chloro-1-methyl-1H-imidazole, 95%2-???-1-??-1H-????253453-91-7C4H5ClN2
2,6-Dichlorophenylacetic acid, 98%6575-24-2C8H6Cl2O2
α-Naphthoflavone, 98%604-59-1C19H12O2
Allura Red AC?? ?? 40?25956-17-6C18H17N2NaO8S2
D-2-Aminoadipic acid, 98%7620-28-2C6H11NO4
3-(1,2,3,6-Tetrahydropyridin-4-yl)-1H-indole3-(1,2,3,6-??????????-4-YL)-1H-??65347-55-9C13H14N2
1-(Bromomethyl)-4-(phenoxymethyl)benzene, 97%1-(?????)-4-(?????)??724452-82-8C14H13BrO
2-(1,3-Benzodioxol-5-yl)ethanol , 97%3,4-(??????)?????6006-82-2C9H10O3
3-Fluorobenzyl isothiocyanate3-???????????????63351-94-0C8H6FNS
4-(Bromomethyl)-3-methyl-5-phenylisoxazole, 95%4-(?????)-3-??-5-??????113841-59-1C11H10BrNO
4-Octyloxybenzoyl chloride40782-53-4C15H21ClO2
4-(Methoxycarbonyl)nicotinic acid, 97%24202-74-2C8H7NO4
D-Cysteine, 98%D-????921-01-7C3H7NO2S
Methyl 4-aMino-2-hydroxybenzenecarboxylateMETHYL4-?????????4136-97-4C8H9NO3
3-(Dimethylamino)thiophenol3-(??????)????33284-28-5C8H11NS
4'-Trifluoromethoxy-biphenyl-2-carboxylic acid4'-?????????-????-2-?????408366-18-7C14H9F3O3
3-chloro-N-(4-methoxybenzyl)propanamide(SALTDATA: FREE)3-???-N-(4-???-??)-???????2364-76-3C11H14ClNO2
3,4-Difluoromandelic acid 97%3,4-?????????132741-29-8C8H6F2O3
Chloropentaamminerhodium(III) chloride, 99%??????????(III)????13820-95-6Cl2H10N5Rh+
4-(Piperazin-1-yl)-benzoic acid ethyl ester, 98%4-(PIPERAZIN-1-YL)-?????????80518-57-6C13H18N2O2
3-Amino-1-methyl-1H-pyrazole-4-carbaldehyde , 97%886851-66-7C5H7N3O
L-XyluloseL-???-????527-50-4C5H10O5
Methyl 4-[amino(hydroxyimino)methyl]-benzenecarboxylate??4-[(Z)-???(????????)??]?????65695-05-8C9H10N2O3
5-Methyl-2-(4-pyridinyl)-1,3-thiazol-4-ol70547-50-1C9H8N2OS
3-iso-Propoxy-benzaldehyde3-??????-??????75792-33-5C10H12O2
4-Nitro-5-piperazinothiophene-2-sulfonamide , 90%4-???-5-????????-2-?????845266-27-5C8H12N4O4S2
3-Chloro-5-fluorophenylacetonitrile493038-93-0C8H5ClFN
Indazole-3-carboxylic acid, 98%???-3-?????4498-67-3C8H6N2O2
4-(3,4-Dihydro-2H-1,5-benzodioxepin-7-yl)-4-oxobutanoic acid, 97%175136-33-1C13H14O5
meso-2,3-Diaminosuccinic acid23220-52-2C4H8N2O4
3-Hexadecanone3-?????18787-64-9C16H32O
6-Methylthionicotinamide175277-57-3C7H8N2S
trans-4-(dimethylamino)-3-pyrrolidinol(SALTDATA: 2HCl)960289-61-6C6H14N2O
4-(2-Methyl-1,3-thiazol-4-yl)benzoyl chloride , Tech.4-(2-METHYL-1,3-THIAZOL-4-YL)????????857283-93-3C11H8ClNOS
{2-[(4-Fluoro-phenylamino)-methyl]-phenyl}-methanol(2-[(4-FLUORO-?????)-??]-??)-???436099-77-3C14H14FNO
3-Chloro-6-(3-methoxyphenyl)pyridazine3-???-6-(3-?????)-????76970-14-4C11H9ClN2O
2-[(3,4,7-trimethyl-2-oxo-2H-chromen-5-yl)oxy]propanoic acid(SALTDATA: FREE)853892-40-7C15H16O5
3,4-DiMethylbenzyl Chloride (contains isoMer)??????????102-46-5C9H11Cl
3-(TrifluoroMethyl)-2-forMylpyridine131747-62-1C7H4F3NO
1-(4-bromobenzyl)piperidine(SALTDATA: HCl)1-(4-???-??)-????178162-69-1C12H16BrN
4-(2,3-Dihydrobenzo[1,4]dioxin-6-yl)-thiazol-2-ylamine105362-06-9C11H10N2O2S
(Trichloromethyl)pentafluorobenzene(???????)????????778-34-7C7Cl3F5
Benzo[b]thiophen-4-ol??[b]???-4-?3610-02-4C8H6OS
(4-Benzyl-piperazin-2-yl)-methanol4-N-??-2-???????????85817-34-1C12H18N2O
5-Hydroxy-1-methyl-3-trifluoromethyl-1H-pyrazole, 99+%1-??-3-(????????)-1H-???-5-?122431-37-2C5H5F3N2O
2-Methyltetrahydrofuran-3-thiol, 97%57124-87-5C5H10OS
1,2-Bis(trifluoromethyl)benzene, 97%1,2-??(????????)??433-95-4C8H4F6
Ethyl caprate, 99%??????????110-38-3C12H24O2
4-Chloro-3-methyl-6-nitrophenol, 97%7147-89-9C7H6ClNO3
Di-n-butyltin diacetate, min. 96%?????????????1067-33-0C12H24O4Sn
5,7-dimethylpyrazolo[1,5-a]pyrimidine-2,3-diamine(SALTDATA: FREE)200884-04-4C8H11N5
1-N-Cbz-pyrrolidine-3-carboxylic acid1-N-CBZ-????-3-?????188527-21-1C13H15NO4
2-(Thien-2-yl)aniline 95%2-??-2-????62532-99-4C10H9NS
4-AMino-5-fluoroquinazoline4-???-5-????????137553-48-1C8H6FN3
Methyl 2-N-Boc-2-aminomethyl-3-p-tolyl-propionate??2-N-BOC-2-?????-3-P-??-???????886366-49-0C17H25NO4
2-(1H-tetrazol-5-yl)ethanol(SALTDATA: FREE)2-(2H-????-5-YL)-???17587-08-5C3H6N4O
Tributyrin60-01-5C15H26O6
4-propyl-5-pyrimidinecarboxylic acid(SALTDATA: FREE)4-???-5-?????????(SALTDATA:FREE)1250812-18-0C8H10N2O2
Heptatriacontane7194-84-5C37H76
2-(Phenylthio)-5-(trifluoromethyl)benzoic acid 97%2-????-4-(????????)??????9752548-96-6C14H9F3O2S
3-AMinobenzenesulfonaMide3-??????????98-18-0C6H8N2O2S
1-benzyl-3-methyl-1H-pyrazol-5-amine(SALTDATA: FREE)2-??-5-??-2H-???-3-???1134-82-3C11H13N3
2-chloro-N-(5-cyclobutyl-1,3,4-thiadiazol-2-yl)acetamide(SALTDATA: FREE)878668-04-3C8H10ClN3OS
1-(Tetrahydro-2-furylmethyl)piperazine, 98%1-???????????-????82500-35-4C9H18N2O
1-Aminopyrene, 97%1606-67-3C16H11N
1-(4-Pyridyl)piperazine, 97%1008-91-9C9H13N3
3-(2,4-Dichlorophenyl)propionic acid, 97%3-(2,4-DICHLOROPHENYL)?????55144-92-8C9H8Cl2O2
Ethyl 5-nitro-1H-indole-2-carboxylate, 98%??5-?????-2-???????16732-57-3C11H10N2O4
Methyl 3-amino-4-phenylthiophene-2-carboxylate, 98%??3-???-4-?????-2-???????82437-64-7C12H11NO2S
4-allyl-5-[(4-methylphenoxy)methyl]-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)669709-47-1C13H15N3OS
4-[(1-Piperidino)Methyl]phenylMagnesiuM broMide480424-83-7C6H4CH2NC5H10MgBr
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