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

?? ?:J & K SCIENTIFIC LTD.
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???:jkinfo@jkchemical.com
??:China
URL: www.jkchemical.com
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Poly(styrene-co-acrylonitrile), average M.W. 165,000 by GPC, acrylonitrile 25 wt.%??? SAN9003-54-7C33H33N3X2
5-(4-Chlorophenyl)isoxazole-3-carboxylic acid33282-22-3C10H6ClNO3
3'-Hydroxyacetophenone, 99%121-71-1C8H8O2
2,2-DiMethylglutaric Anhydride2938-48-9C7H10O3
2,6-Dimethyl-pyridin-4-ylamine, 98%3512-80-9C7H10N2
4-(Methylsulfonyl)benzonitrile, 97%22821-76-7C8H7NO2S
3,4-Dimethylfurazan??????4975-21-7C4H6N2O
DibroMoacetonitrile????????????3252-43-5C2HBr2N
2-Fluoro-4-(trifluoroMethyl)benzyl alcohol197239-49-9C8H6F4O
3-Fluoro-2-(hydroxyMethyl)pyridine31181-79-0C6H6FNO
Phorbol 12,13-Diacetate >99%PHORBOL12,13-??????24928-15-2C24H32O8
methyl 4-(3-hydroxyphenyl)-1,6-dimethyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate(SALTDATA: FREE)4-(3-????-??)-1,6-???-2-??-1,2,3,4-??????-????-5-???????????301319-88-0C14H16N2O4
N-BOC-1,6-hexanediamine hydrochloride65915-94-8C11H25ClN2O2
(S)-2-N-Boc-amino-heptanoic acid(S)-2-TERT-??????????-???71066-01-8C12H23NO4
2-Bromo-2',4'-dimethoxyacetophenone, 98%60965-26-6C10H11BrO3
4-Phenyl-2,4-dihydro-3H-1,2,4-triazol-3-one1008-30-6C8H7N3O
1-(Trifluoromethyl)cyclohexane-1-carboxylic acid, 97+%3,3,3-??????-2,2-????????180918-40-5C8H11F3O2
3-(4-Amino-phenyl)-chromen-2-one3-(4-???-??)-???-2-?1218-54-8C15H11NO2
Casein, 92% protein???9000-71-9C81H125N22O39P
Adenosine 5'-triphosphate disodium salt, 98%???? 5''-????? ???? ?987-65-5C10H17N5NaO13P3
Nickel(II) meso-tetraphenylporphine?? ????????14172-92-0C44H28N4Ni
3'-Fluoroacetophenone, 97%?????????455-36-7C8H7FO
4-Fluoro-α-phenylglycine, 98%7292-73-1C8H8FNO2
2-BroMo-5-chloro-3-fluoropyridine514797-97-8C5H2BrClFN
(2E)-3-(6-chloro-4-oxo-4H-chromen-3-yl)acrylic acid(SALTDATA: FREE)42059-70-1C12H7ClO4
N,N'-1,4-PhenylenediMaleiMide3278-31-7C14H8N2O4
MCPA acid4-???-o-??? ????94-74-6C9H9ClO3
Methyl 3-(2-chlorophenyl)propanoate??3-(2-?????)???????74124-86-0C10H11ClO2
(3-((4-Fluorophenyl)carbaMoyl)phenyl)boronic acid3-(4-??????)????????????850567-35-0C13H11BFNO3
2-(Hydroxymethyl)-5-methoxy-4(1H)-pyridinone????L307963-1EA6323-21-3C7H9NO3
3,5-Dichloropyridine-2-carboxylic acid81719-53-1C6H3Cl2NO2
1,3-DiMethylpyrazole694-48-4C5H8N2
2-Chloro-4-methylsulfonylphenylhydrazine2-???-4-???????????85634-77-1C7H9ClN2O2S
Benzyl 2,2,2-trichloroacetimidate, 99%81927-55-1C9H8Cl3NO
Arachidic acid, 98%????? ?506-30-9C20H40O2
2-Chloro-4'-fluoroacetophenone, 98%α-???-4-????????456-04-2C8H6ClFO
2-Carbomethoxybenzenesulfonamide, 98%57683-71-3C8H9NO4S
1-(3-Carboxyphenyl)-2-thiourea37182-75-5C8H8N2O2S
beta-Naphthoflavone6051-87-2C19H12O2
4-tert-Butylphenylacetylene, 97%772-38-3C12H14
Dichloro(1,5-cyclooctadiene)platinum(II), 99%12080-32-9C8H12Cl2Pt
Methyl nonafluorobutyl ether, 98%1,1,1,2,2,3,3,4,4-??????-4-??????163702-07-6C5H3F9O
Doxorubicin hydrochloride, 98%, an antibiotic agent????? ?????25316-40-9C27H29NO11.ClH
Triphenyl(tetradecyl)phosphoniuM BroMide25791-20-2C32H44BrP
2-Methylstyrene (stabilized with TBC)2-?????611-15-4C9H10
2-Pyrrolidin-1-yl-benzoic acid methyl ester2-????-1-?-?????????124005-05-6C12H15NO2
3-Bromo-2-fluorobenzoyl chloride 98%3-???-2-????????????374554-41-3C7H3BrClFO
1,4-Cyclohexanedione Bis(ethyleneketal)1,4-?????????(?????)183-97-1C10H16O4
2-Pyrrolidin-1-yl-1,3-thiazole-5-carbaldehyde , 97%900015-48-7C8H10N2OS
2-Pyridylacetonitrile, 97%2739-97-1C7H6N2
2,4-Dichlorobenzenesulfonyl chloride, 97%16271-33-3C6H3Cl3O2S
2,3-dihydro-6-methyl-3-oxopyridazine-4-carboxylic acid, 95%74557-73-6C6H6N2O3
2-Chloro-4-fluoronitrobenzene, 98%2106-50-5C6H3ClFNO2
4'-Benzyloxyphenyl acetylene4'-??????????84284-70-8C15H12O
2-Methoxybenzonitrile, 99%6609-56-9C8H7NO
2-Bromo-5-chlorobenzaldehyde, 97%174265-12-4C7H4BrClO
2,6-Dichlorophenylhydrazine hydrochloride, 95%50709-36-9C6H7Cl3N2
2-Methylcinnamic acid, 99%2373-76-4C10H10O2
3-PyridineMethanol3-??????100-55-0C6H7NO
1-Benzyl-1H-benzoimidazol-2-ylamine1-??-1H-??????-2-???43182-10-1C14H13N3
2-AMino-4-Methoxy-6-Methyl-1,3,5-triazine1668-54-8C5H8N4O
3-[(tert-Butoxycarbonyl)amino]-3-(3,4-dimethoxyphenyl)propanoic acid3-TERT-??????????-3-(3,4-????-??)-?????284492-37-1C16H23NO6
1,2:3,4-Dibenzanthracene????[A,C]????215-58-7C22H14
4-(N,N-DiMethylaMinocarbonyl)phenylboronic acid4-(N,N-??????????)?????405520-68-5C9H12BNO3
1,3-Dichloro-2-(2-nitrovinyl)benzene, 97%22482-43-5C8H5Cl2NO2
Ethyl 5-amino-1H-indole-2-carboxylate71086-99-2C11H12N2O2
Methyl 4-(1,1-DioxothioMorpholino)benzoate??4-(1,1-DIOXOTHIMORPHOLINO)?????45185-76-0C12H15NO4S
3-N-Boc-Amino-1-[2-amino-1-(3-amino-phenyl)-ethyl]-pyrrolidine886365-13-5C17H28N4O2
6-Methyl-2-(4-Methylphenyl)-iMidazo[1,2-a]pyridine6-??-2-(4-????)????[1,2-a]???88965-00-8C15H14N2
2,5-Dimethylbenzyl chloride, 98%824-45-3C9H11Cl
2,3-Dimethylmaleic anhydride, 96%766-39-2C6H6O3
Phenylphosphine, 99% (10 wt% in hexanes)?????638-21-1C6H7P
Calcium citrate tetrahydrate, 96%??????(?????)5785-44-4C12H18Ca3O18
N-Doecyldimethyl(3-sulfopropyl)ammonium hydroxide, 99%??????14933-08-5C17H37NO3S
4-Methoxy-3-nitrobenzotrifluoride, 97%394-25-2C8H6F3NO3
4'-Hydroxy-4-biphenylcarboxylic acid, 99%4'-????-4-????????58574-03-1C13H10O3
Biliverdin hydrochloride (Microbial source)????????55482-27-4C33H35ClN4O6
1-Ethylcyclopentanol1-????????1462-96-0C7H14O
Methyl 4-ethylbenzoate 98%??4-???????7364-20-7C10H12O2
2-Methylheptanoic Acid1188-02-9C8H16O2
3-(Benzofuran-2-yl)-3-oxopropanenitrile, 97%2-?????????5149-69-9C11H7NO2
2-cyclopropyl-6-methylquinoline-4-carboxylic acid(SALTDATA: FREE)4-????????,2-??????-6-??-(9CI)588681-43-0C14H13NO2
D-Leucine tert-Butyl Ester Hydrochloride13081-32-8C10H22ClNO2
1-Chloro-1,2-difluoro-1,4-pentadiene1-???-1,2-???????-1,4-??1730-23-0C5H5ClF2
2-Cyclohexyl-1,3-dioxo-2,3-dihydro-1H -isoindole-5-carboxylic acid67822-74-6C15H15NO4
4-Amino-2,8-bis(trifluoromethyl)quinoline4-???-2,8-BIS(????????)-???917561-99-0C11H6F6N2
2-(4-tert-butylphenoxy)propanohydrazide(SALTDATA: FREE)2-(4-TERT-BUTYLPHENOXY)??????????125096-56-2C13H20N2O2
4-(Phenoxymethyl)benzenesulfonyl chloride , 97%4-(?????)????????1002727-89-0C13H11ClO3S
Bis(cyclopentadienyl)osmium, 99% (99.9%-Os) (Osmocene)??(?????????)???1273-81-0C10Os
4-hydroxy-N-1,3-thiazol-2-ylbenzamide(SALTDATA: FREE)4-????-N-(1,3-???-2-?)?????94042-62-3C10H8N2O2S
3-Methylbenzylisocyanide3-???????????602261-96-1C9H9N
2-Chloro-2-[2-(4-chlorophenyl)hydrazono]-N-phenylacetamide2-???-2-[2-(4-?????)??????]-N-????????33101-97-2C14H11Cl2N3O
2-(4-bromophenyl)-N-methylacetamide(SALTDATA: FREE)2-(4-?????)-N-????????7713-76-0C9H10BrNO
4-Chloro-2-(methylsulfonyl)benzaldehyde4-???-2-(?????)??????849035-76-3C8H7ClO3S
3-propylisoxazole-5-carboxylic acid(SALTDATA: FREE)5-?????????,3-???-(8CI)14716-92-8C7H9NO3
2-Hydrazino-5-nitro-1H-1,3-benzimidazole91467-48-0C7H7N5O2
1-(4-Methylbenzyl)-2-thiourea1-(4-????)-2-?????103854-74-6C9H12N2S
(5-Methyl-3-nitro-pyrazol-1-yl)-acetic acid(5-??-3-???-???-1-?)-????344912-39-6C6H7N3O4
3,4-difluorobenzenecarboximidamide(SALTDATA: HCl)114040-50-5C7H6F2N2
1,5-Bis(4-nitrophenyl)carbohydrazide1,5-??(4-?????)?????????622-69-5C13H12N6O5
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