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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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2-Bromo-1-(difluoromethyl)-4-fluorobenzene845866-81-1C7H4BrF3
2-Propenyltrimethylsilane18163-07-0C6H14Si
3-(2-Ethylhexyloxy)propylaMine3-(2-??????)?????5397-31-9C11H25NO
exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic Anhydride6118-51-0C8H6O4
4-Methylisoxazole-3-carboxylic acid4-??????-3-?????215872-46-1C5H5NO3
o-Anisaldehyde, 98%2-?????????135-02-4C8H8O2
6-chloropyrazine-2-carbonitrile, 95%6863-74-7C5H2ClN3
1-Bromo-3,4,5-trifluorobenzene, 99%1-???-3,4,5-???????138526-69-9C6H2BrF3
(R)-(-)-N-(2,3-Epoxypropyl)phthalimide, 99%, ee: 98%(R)-(-)-?????????181140-34-1C11H9NO3
2,6-Pyridinedicarboxaldehyde, 98%2,6-????????????5431-44-7C7H5NO2
(R)-(+)-4-Pyrrolidinopyrindinyl(pentamethylcyclopentadienyl)iron, min. 98% (R)-PPY*217459-10-4C22H28FeN210*
N-Chlorosaccharin, 98%N-??????14070-51-0C7H4ClNO3S
3-(2-Methyl-propane-2-sulfonyl)-thiophene-2-carboxylic acid3-(2-??-???-2-???)-???-2-?????51285-58-6C9H12O4S2
2-(2-AMinoethyl)-1,3-dioxolane2-(2-?????)-1,3-????5754-35-8C5H11NO2
N-benzyl-N-methylpiperidine-4-carboxamide(SALTDATA: FREE)N-??-N-??????-4-???????686255-79-8C14H20N2O
Pyrazine-2-carboxiMidic acid Methyl ester hydrochloride???-2-????????????74617-55-3C6H7N3O
1,2,5,6-tetrahydropyridine-3-carboxylic acid(SALTDATA: HCl)??????498-96-4C6H9NO2
3-(3-Methoxybenzyl)piperidine3-(3-???-??)-????766487-11-0C13H19NO
cis-5-DeceneCIS-5-??7433-78-5C10H20
4-ChloroMethyl-5-Methyl-1,3-dioxol-2-one80841-78-7C5H5ClO3
6-AcrylaMidohexanoic Acid6-??????????20766-85-2C9H15NO3
3-Hydroxy-5-(trifluoromethyl)benzoic acid3-HYDROXY-5-(TRIFLUOROMETHYL)???328-69-8C8H5F3O3
4,6-Dichloro-2H-thiochromene-3-carbaldehyde54949-15-4C10H6Cl2OS
Methyl 3-bromobenzoate, 98%618-89-3C8H7BrO2
N'-Nitrosonornicotine-N-β-D-glucuronide, 98%N'-????????-NbD-???????864071-82-9C15H19N3O7
4-Propylpyridine1122-81-2C8H11N
1,2,6,7-Tetrahydro-8H-indeno[5,4-b]furan-8-one1,2,6,7-???????-8H-???[5,4-b]??-8-?196597-78-1C11H10O2
BisMuthiol II Hydrate?????(II)??????6336-51-2C8H5KN2S3
1-(5-Fluoro-2,4-dinitrophenyl)-4-methylpiperazine, 98%1-(5-FLUORO-2,4-??????)-4-??????928830-73-3C11H13FN4O4
Diethyl succinate, 99%??????123-25-1C8H14O4
3',4'-Dimethyl-biphenyl-3-carbaldehyde3',4'-???-???-3-??????343604-07-9C15H14O
S-(+)-2-Chloromandelic acid, 99%(S)-2-??????52950-19-3C8H7ClO3
Poly(N-vinylcarbazole), average M.W. 90,000??(N-??????)25067-59-8C42H33N3X2
4-[(Methylamino)methyl]piperidine-1-carboxylic acid tert-butyl ester, 98%4-[(?????)??]????-1-?????TERT-??????138022-02-3C12H24N2O2
6-Bromo-3-cyanochromone52817-13-7C10H4BrNO2
5-AMino-2-fluoro-6-Methylpyridine28489-47-6C6H7FN2
Pentacosanoic Acid506-38-7C25H50O2
(Imidazo[2,1-b]benzothiazol-2-yl)methanol????[2,1-B][1,3]?????-2-????114095-02-2C10H8N2OS
methyl 3-(2-aminoethoxy)benzoate(SALTDATA: HCl)??3-(2-??????)?????153938-41-1C10H13NO3
Heptadecanoic Acid?????506-12-7C17H34O2
N-(4-Bromophenyl)succinimideN-(4-?????)?????41167-74-2C10H8BrNO2
4-Pentenenitrile4-?????592-51-8C5H7N
5-(5-ethyl-3-thienyl)-4-methyl-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)588674-76-4C9H11N3S2
3-Chloro-2-fluorobenzamide 97%3-???-2-????????104326-94-5C7H5ClFNO
Boc-Asu-OH66713-87-9C13H23NO6
2-Benzo[d]1,3-dioxolen-5-yl-1,3-thiazolidine-4-carboxylic acid72678-96-7C11H11NO4S
4-Butyl-2-methylphenyl isocyanate, tech4-??-2-???????????306935-81-9C12H15NO
2-(4-methylmorpholin-2-yl)ethanol(SALTDATA: FREE)959238-42-7C7H15NO2
(L)-3-Bromophenyl alanine82311-69-1C9H10BrNO2
2,3,4,5,6-Pentafluorobenzeneboronic acid, 98%1582-24-7C6H2BF5O2
Neostigmine methyl sulfate, 98%?????? ?? ???51-60-5C12H19N2O2.CH3O4S
Phenyl sulfide, 99%???????139-66-2C12H10S
Betaine, 98%???107-43-7C5H11NO2
Tetraphenylmethane, 96%630-76-2C25H20
6-Methoxy-2-methylbenzothiazole, 99%6-???-2-???????2941-72-2C9H9NOS
5-amino-2-(3-methyl-1-piperidinyl)benzoic acid(SALTDATA: FREE)78243-67-1C13H18N2O2
3-Hydroxy-2-naphthoic Acid 2-Chloroanilide2-?????-3-?????2-???????6704-40-1C17H12ClNO2
5,7-Dichloro-1,6-naphthyridine, 97%5,7-????-1,6-?????337958-60-8C8H4Cl2N2
5-(tetrahydro-2-furanyl)-1,3,4-thiadiazol-2-amine(SALTDATA: FREE)5-(???????-2-???)-1,3,4-?????-2-??(SALTDATA:FREE)383131-87-1C6H9N3OS
4-(chloromethyl)benzamide(SALTDATA: FREE)?????,4-(?????)-(9CI)84545-14-2C8H8ClNO
(-)-N-[(4-methylphenyl)sulfonyl]-D-glutamine42749-49-5C12H16N2O5S
2-Amino-4,5,6,7-tetrahydro-benzo[ b ]thiophene-3-carboxylic acid (4-methoxy-phenyl)-amide2-???-4,5,6,7-??????-??[B]???-3-?????(4-???-??)-???83822-33-7C16H18N2O2S
1,5-Dibromo-2,6-dimethoxynaphthalene1,5-????-2,6-????????25315-06-4C12H10Br2O2
L-Cysteine-glutathione Disulfide13081-14-6C13H22N4O8S2
2-Aminomethyl-benzylamine???AUF208217300-02-6C8H12N2
1,3-Dichloro-2-nitrobenzene1,3-????-2-?????601-88-7C6H3Cl2NO2
(2-Methyl-5-nitro-imidazol-1-yl)-acetic acid1010-93-1C6H7N3O4
9-ethyl-1-oxo-2,3,4,9-tetrahydro-1H-carbazole-6-carboxylic acid(SALTDATA: FREE)354993-58-1C15H15NO3
1-(4-chloro-1,2,5-thiadiazol-3-yl)-4-methylpiperazine(SALTDATA: HCl)870987-89-6C7H11ClN4S
2-Chloro-5-(trifluoromethyl)benzyl bromide 98%2-???-5-(????????)???????237761-77-2C8H5BrClF3
1-[1-(2-methoxyethyl)piperidin-4-yl]methanamine(SALTDATA: FREE)956722-57-9C9H20N2O
2-(2-chloro-6-fluorophenyl)acetohydrazide(SALTDATA: FREE)2-(2-???-6-??????)?????????669740-15-2C8H8ClFN2O
4-iso-Propoxy-3-methoxy-benzaldehyde4-ISOPROPOXY-3-METHOXY-??????2538-98-9C11H14O3
2,5-Dibromo-3,4,6-trifluoroaniline2,5-????-3,4,6-?????????232267-32-2C6H2Br2F3N
1-(2,2-diethylcyclopropyl)methanamine(SALTDATA: FREE)802822-86-2C8H17N
1-(2-Bromo-ethyl)-3-methyl-benzene3-??????????16799-08-9C9H11Br
Fmoc-Cys(2-hydroxyethyl)-OH200354-35-4C20H21NO5S
Methyl 6-N-Boc-amino-3-formyl-1H-indole-4-carboxylate??6-N-BOC-AMINO-3-FORMYL-1H-INDOLE-4-CARBOXYLATE731810-57-4C16H18N2O5
BroMo[(2,6-pyridinediyl)bis(3-Methyl-1-iMidazolyl-2-ylidene)]nickel BroMide???[(2,6-?????)??(3-??-1-?????-2-???)]???????894102-11-5C13H13Br2N5Ni
Bis(4-methoxy-2-nitrophenyl)diselenide??(4-???-2-?????)?????35350-45-9C14H12N2O6Se2
(4-Methylenecyclohexyl)Methanol4-???????????1004-24-6C8H14O
N-(2-Phenylethyl)acetaMideN-???-2-??????877-95-2C10H13NO
3-Hydroxyphenethylamine, hydrochloride2-(3-??????)????588-05-6C8H11NO
5-Iodo-7H-pyrrolo[2,3-d]pyrimidine175791-53-4C6H4IN3
Ethyl 2-AMylacetoacetate??2-??????????24317-94-0C11H20O3
N-Allyl-3-chlorobenzenecarboxamideN-ALLYL-3-??????????35306-52-6C10H10ClNO
1,2-Diiodoethane, 98%624-73-7C2H4I2
2-Chloro-5-aminophenol, 98%6358-06-1C6H6ClNO
(S)-(+)-2-(Anilinomethyl)pyrrolidine, 97%(S)-(+)-2-(??????)????64030-44-0C11H16N2
2,6-Diisopropylphenylimidoneophylidene[(S)-(-)-BIPHEN]molybdenum(VI), min. 97% (S) SCHROCK-HOVEYDA CATALYST205815-80-1C46H61MoNO2
1-(3-methyl-1H-pyrazol-5-yl)propan-2-amine(SALTDATA: FREE)1025087-55-1C7H13N3
2-[(2-Chlorobenzyl)oxy]benzoic acid2-(2-CHLORO-BENZYLOXY)-???52803-70-0C14H11ClO3
2-(butyrylamino)-4-chlorobenzoic acid(SALTDATA: FREE)777877-45-9C11H12ClNO3
2-(chloromethyl)-6-methylimidazo[1,2-a]pyridine(SALTDATA: HCl)2-(?????)-6-??????[1,2-A]??????118000-40-1C9H9ClN2
6-oxo-1-propylpiperidine-3-carboxylic acid(SALTDATA: FREE)915924-93-5C9H15NO3
2,9-Dibutyl-5-picrylaMino-1,10-phenanthroline [for DeterMination of Li]2,9-DI-N-BUTYL-5-PICRYLAMINO-1,10-?????173929-82-3C26H26N6O6
1-Deoxymannojirimycin.HCl??????????84444-90-6C6H13NO4
3-(Fur-2-yl)benzoic acid3-(2-??)???35461-99-5C11H8O3
4-(2-furoylamino)-3-methylbenzoic acid(SALTDATA: FREE)4-(2-??????)-3-?????435288-00-9C13H11NO4
3-Oxo-3,4-dihydro-2H-benzo[1,4]oxazine-6-carbaldehyde200195-15-9C9H7NO3
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