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

?? ?:J & K SCIENTIFIC LTD.
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???:jkinfo@jkchemical.com
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URL: www.jkchemical.com
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Amberlite XAD4, particle size: 490 - 690 μm????? ?????9003-69-4C10H10
(R)-tert-Butyl 1-(methoxy(methyl)amino)-1-oxopropan-2-ylcarbamate??(2-??-2-????)?????146553-06-2C10H20N2O4
6,7-Methylenedioxy-4-isocyanatoMethylcouMarin [for HPLC Labeling]4-????????-6,7-?????????97744-89-3C12H7NO5
1,2:8,9-Dibenzpentacene1,2:8,9-??????227-09-8C30H18
2-AMino-3-Methyl-1-butanol16369-05-4C5H13NO
16-Bromo-1-hexadecanol16-????????59101-28-9C16H33BrO
Thianaphthene, 98%?????95-15-8C8H6S
(+)-Diacetyl-L-tartaric Anhydride6283-74-5C8H8O7
4-[2-(2-Amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)-ethyl]-benzoic acid, 99%137281-39-1C15H14N4O3
2-Chloro-N-(4-methoxyphenyl)nicotinamide2-???-N-(4-?????)???-3-??????56149-30-5C13H11ClN2O2
4-(7-methylimidazo[1,2-a]pyridin-2-yl)aniline(SALTDATA: FREE)4-(7-??????[1,2-A]???-2-YL)???64730-34-3C14H13N3
5-ethyl-2-azepanone(SALTDATA: FREE)5-??-2-????(?????:??)34303-48-5C8H15NO
2-Phenethyl propionate, 98%122-70-3C11H14O2
(3R,4R)-(-)-1-Benzyl-3,4-pyrrolidindiol, 97%163439-82-5C11H15NO2
8-Bromo-2-chloroquinoline163485-86-7C9H5BrClN
6-Methoxypyridine-2-carboxylic acid, 98%26893-73-2C7H7NO3
2,6-Dimethoxy-1,4-benzoquinone, 98%2,6-????-1,4-????530-55-2C8H8O4
1-[3-(4-methoxyphenyl)-5-isoxazolyl]methanamine(SALTDATA: FREE)1-[3-(4-?????)-5-?????]????(?????:??)338982-43-7C11H12N2O2
N-(tert-Butoxycarbonyl)-4-bromoaniline, 98%131818-17-2C11H14BrNO2
(R)-(+)-2-Methyl-1,4-butanediol(R)-2-??-1,4-????22644-28-6C5H12O2
CalciuM Sorbate??? ???7492-55-9C12H14CaO4
Benzenesulfonanilide????????1678-25-7C12H11NO2S
Bis(2-ethylhexyl) Itaconate (stabilized with HQ)????DI(2-????)????2287-83-4C21H38O4
Boron Trifluoride - Butyl Ether CoMplex (BF3 ca. 30%)593-04-4C8H18BF3O
Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate, 98%680-15-9C3H3F3O4S
Boc-4-(Fmoc-aminomethyl)-L-phenylalanine170157-61-6C30H32N2O6
3,3,3-TrifluoropropylaMine3,3,3-???????????460-39-9C3H6F3N
Boc-(R)-3-amino-4-pentafluoro-phenylbutyric acid269398-93-8C15H16F5NO4
1-Bromohexadecane, 98%1-???????112-82-3C16H33Br
1-(morpholin-4-ylsulfonyl)piperidine-4-carboxylic acid(SALTDATA: FREE)1-(????-4-????)????-4-?????897766-44-8C10H18N2O5S
4-Methyl-2-[4-(trifluoromethyl)phenyl]-1,3-thiazole-5-carbaldehyde438577-61-8C12H8F3NOS
(4-methoxy-2,5-dimethylbenzyl)(2-phenylethyl)amine(SALTDATA: HBr)355383-21-0C18H23NO
4-(4-Methylpiperazinyl)benzoic Acid4-(4-???????)???86620-62-4C12H16N2O2
4-Chlorobenzyl cyanide, 98%p-????? ?????140-53-4C8H6ClN
Diphenyl Ditelluride??? ??????32294-60-3C12H10Te2
(3S,4S)-4-aminotetrahydrothiophene-3-ol 1,1-dioxide(SALTDATA: FREE)20688-37-3C4H9NO3S
2,4,6-Trichlorobenzoyl chloride, 98%4136-95-2C7H2Cl4O
Iron(III) ferrocyanide????? ?2?14038-43-8C6FeN6.4/3Fe
1-(1-ethyl-5-methyl-1H-pyrazol-4-yl)-N-methylmethanamine(SALTDATA: FREE)N-[(1-??-5-??-1H-???-4-?)??]-N-????943106-34-1C8H15N3
1H-Tetrazole, 98%1H-????288-94-8CH2N4
Trifluoroacetic acid-d, 99.5 atom%D599-00-8C2DF3O2
(3S)-1,3-dimethylpiperazine(SALTDATA: FREE)(3S)-1,3-???????(SALTDATA:FREE)1152367-80-0C6H14N2
Divinyltetraphenyldisiloxane18769-05-6C28H26OSi2
10-Camphorsulfonic acid, 98%5872-08-2C10H16O4S
N-Mesitylthiourea , 97%N-(2,4,6-??????)?????91059-97-1C10H14N2S
N-(4-fluorobenzyl)ethanamine(SALTDATA: HCl)??????,N-??-4-????-(9CI)162401-03-8C9H12FN
6-Hydroxynicotinaldehyde106984-91-2C6H5NO2
(R,R'')-2,2''-Bis(diphenylphosphino)-1,1''-biferrocene(R,R")-2,2"-??(???????)-1,1"-????136274-57-2C34H26P2.2C5H5.2Fe
Trypsin inhibitor, suitable for cell culture,from soybean9035-81-8NULL
1-(ChloroMethyl)naphthalene1-(?????)????86-52-2C11H9Cl
3-Iodophenylacetic acid, 98%1878-69-9C8H7IO2
Ethylidene diacetate???? ??????542-10-9C6H10O4
4-isopropoxy-3-(trifluoromethyl)aniline(SALTDATA: HCl)4-??????-3-(????????)???(SALTDATA:HCl)70338-45-3C10H12F3NO
3-Amino-5-nitro-benzoic acid, 98%618-84-8C7H6N2O4
6-Bromo-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one148038-83-9C6H4BrN3O
2-Chloro-5-fluoronicotinic acid38186-88-8C6H3ClFNO2
1H-Perfluorooctane335-65-9C8HF17
3,4-Difluoro-2-methylphenylboronic acid pinacol ester3,4-?????-2-??????????????1025707-97-4C13H17BF2O2
1-Cyanocyclopropanecarboxylic acid6914-79-0C5H5NO2
Purpurogallin??????569-77-7C11H8O5
2-Hydrazino-4-(trifluoromethyl)pyrimidine, 99%2-?????-4-(????????)????197305-97-8C5H5F3N4
L-(+)-2,3-Diaminopropionic acid hydrochloride, 99%1482-97-9C3H9ClN2O2
N,N-DiMethyl-o-toluidineN,N,2-?????????609-72-3C9H13N
(3,4-Difluorophenyl)hydrazine hydrochloride40594-37-4C6H7ClF2N2
(2-Methoxy-ethyl)-thiazol-2-ylmethyl-amine(2-???-??)-???-2-???-??886504-94-5C7H12N2OS
1-Bromo-1-deoxy-2,3,4-tri-O-acetyl-α-D-glucuronic acid methyl ester, 95%21085-72-3C13H17BrO9
1,1,1-Trichloro-2,2,2-trifluoroethane, 99.5%1,1,1-??????-2,2,2-??????????354-58-5C2Cl3F3
2-Ethyl-benzofuran-3-carbaldehyde2-??????-3-??????10035-41-3C11H10O2
4-tert-Butylcalix[8]arene4-TERT-BUTYLCALIX[8]??68971-82-4C88H112O8
3-Octanol, 97%589-98-0C8H18O
1-(2-furylmethyl)-4-piperidinamine(SALTDATA: 2HCl)1-(2-????)-4-??????(SALTDATA:2HCl)185110-14-9C10H16N2O
Bis(2-Morpholinoethyl) Ether4,4'-(???-2,1-????)?????6425-39-4C12H24N2O3
3-Benzo[1,3]dioxol-5-yl-3-oxo-propionic acid ethyl ester3-BENZO[1,3]DIOXOL-5-YL-3-OXO-PROPIONICACID??????81581-27-3C12H12O5
Magnesium sulfate heptahydrate, 99%, for analysis??????(7???)10034-99-8Mg.O4S.7H2O
HarMan??486-84-0C12H10N2
3-[(4-Methylperhydro-1,4-diazepin-1-yl)methyl]benzylamine , 97%3-[(4-????????-1-?)??]????915707-48-1C14H23N3
Acetoxymethyltrimethoxysilane65625-39-0C6H14O5Si
1-(2-Chloroethyl)-3-(3,4-dichlorophenyl)ureaN-(2-?????)-N'-(3,4-??????)???15145-37-6C9H9Cl3N2O
3,4-Dihydro-2H-1,5-benzodioxepine-6-carboxylic acid , 97%3,4-DIHYDRO-2H-1,5-??????-6-?????66410-67-1C10H10O4
3-(Carboxymethyl)benzeneboronic acid 98%3-(??????)?????914397-60-7C8H9BO4
(S)-N-BOC-2-Furylalanine tert-butylamine, 98% ee, 95%(S)-N-BOC-2-FURYLALANINETERT-????881690-67-1C11H18N2O2
6-Chloro-3-indolyl alpha-glucopyranoside467214-46-6C14H16ClNO6
Ethyl trans-2-hydroxy-1-cyclohexanecarboxylate, 85%?????-2-?????-1-????????????,956125-55-9C9H16O3
2,4-Diphenyl-1,3-thiazole-5-carboxylic acid , 97%2,4-???-1,3-???-5-?????502935-47-9C16H11NO2S
2-(1,1,3-Trioxo-2,3-dihydro-1H-1lambda~6~-benzo[d]isothiazol-2-yl)acetonitrile, 97%52188-12-2C9H6N2O3S
2-methyl-1-[2-(2-methylpiperidin-1-yl)-2-oxoethyl]-1H-indole-3-carbaldehyde(SALTDATA: FREE)498560-54-6C18H22N2O2
1-(4-hydroxyphenyl)-2-(4-morpholinyl)ethanone hydrobromide(SALTDATA: HBr)1-(4-???????)-2-(4-?????)????????????777795-74-1C12H15NO3
trans-4,5'-Dinitrodibenzo-18-crown-6, 98%32082-45-4C20H22N2O10
Bis(3,3,3-trifluoropropyl)amine 97%BIS(3,3,3-TRIFLUOROPROPYL)??201057-04-7C6H9F6N
2-Amino-3-phenylpropanamide hydrochloride108321-83-1C9H13ClN2O
2-(Dimethylamino)-5-nitrobenzenecarbaldehyde2-(??????)-5-?????????34601-40-6C9H10N2O3
5-phenyl-1H-pyrazol-4-amine(SALTDATA: FREE)1H-???-4-??,3-??-91857-86-2C9H9N3
2-(2,5-dimethyl-1H-pyrrol-1-yl)-3-pyridinol(SALTDATA: FREE)175135-48-5C11H12N2O
4-[4-(Trifluoromethyl)-2-pyridinyl]-benzenecarbaldehyde4-[4-(????????)-2-????]????????952182-74-0C13H8F3NO
3-chloro-N-(5-fluoro-2-methylphenyl)propanamide(SALTDATA: FREE)908494-83-7C10H11ClFNO
(5E)-5-(2,5-dimethylbenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one(SALTDATA: FREE)153567-96-5C12H11NOS2
SodiuM Heptanoate????????10051-45-3C7H13NaO2
2-(4-Chlorophenoxy)benzenecarbaldehyde2-(4-??????)??????111826-11-0C13H9ClO2
3-AMino-1,2,4-triazole-5-carboxylic Acid HeMihydrate3-???-1,2,4-????-5-?????3641-13-2C3H4N4O2
1-Phenyl-1H-imidazole-2-thiol1-???????-2-??17452-09-4C9H8N2S
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