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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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1,2:3,5-Di-O-isopropylidene-α-D-apiose ,98%25904-06-7C11H18O5
(3-chloro-4-ethoxyphenyl)methanol(SALTDATA: FREE)915922-38-2C9H11ClO2
1-(4-methoxyphenyl)piperidin-4-one(SALTDATA: FREE)94635-24-2C12H15NO2
5-methoxy-2-(prop-2-yn-1-yloxy)benzaldehyde(SALTDATA: FREE)224317-65-1C11H10O3
3-Chloro-5-methylthio-1,2,4-thiadiazole3-???-5-????-1,2,4-?????10191-90-9C3H3ClN2S2
Methyl 2,2,3,3,3-pentafluoropropyl ether 97%2,2,3,3,3-??????????????378-16-5C4H5F5O
2,6-Dichloro-5-fluoro-N-isopropylnicotinaMide2,6-????-5-????-N-???????????680217-86-1C9H9Cl2FN2O
Propargyl p-Toluenesulfonate6165-76-0C10H10O3S
4-Bromo-3-(trifluoromethyl)benzenesulfonamide351003-64-0C7H5BrF3NO2S
(2S)-1-(2-Chloroacetyl)-2-9-pyrrolidinecarbonitrile207557-35-5C7H9ClN2O
5-(5-ethyl-1,3,4-oxadiazol-2-yl)-2-methoxyaniline(SALTDATA: FREE)954326-01-3C11H13N3O2
5-Amino-3-pyridinemethanamine3-???????,5-???-(9CI)754129-80-1C6H9N3
5-Amino-3-(fur-2-yl)isoxazole3-(2-??)????-5-??33866-44-3C7H6N2O2
N-(5-bromo-8-quinolinyl)acetamide(SALTDATA: FREE)99851-80-6C11H9BrN2O
5-Amino-3-methyl-4-isoxazolecarbonitrile5-???-3-??-4-?????????35261-01-9C5H5N3O
(3-Acryloxypropyl)dimethylmethoxysilanestore <5o C111918-90-2C9H18O3Si
(S)-4-Benzyloxy-1,3-butanediol(S)-4-????-1,3-????85418-23-1C11H16O3
2-(Acetylamino)-5-bromo-3-thiophenecarboxylic acid2-(??????)-5-???-3-????????1160474-66-7C7H6BrNO3S
1-(3,5-dimethoxybenzoyl)piperidine-4-carboxylic acid(SALTDATA: FREE)1-(3,5-???????)????-4-?????352340-66-0C15H19NO5
Fmoc-(1R,2R)-2-aminocyclopentane carboxylic acid(1R,2R)-FMOC-2-?????????????359586-69-9C21H21NO4
4-Bromophenylthiourea, 98%2646-30-2C7H7BrN2S
4-Aminostilbene, 95%4-??????834-24-2C14H13N
Fmoc-Lys(Ac)-OH, 98%159766-56-0C23H26N2O5
Chromium(III) sulfate hydrate15244-38-9Cr2(SO4)3.xH2O
2-(Tributylstannyl)furan, 97%118486-94-5C16H30OSn
4-(2-Hydroxyethyl)-piperazine-1-carboxylic acid amide, 98%4-(2-???????)-????-1-????????116882-73-6C7H15N3O2
(R)-(+)-5,5',6,6'-Tetramethyl-3,3'-di-t-butyl-1,1'-biphenyl-2,2'-diol, 99% (R)-BIPHEN H2329735-68-4C24H34O2
1H,1H,11H-Perfluoroundecyl methacrylate1H,1H,11H-???????????????41123-44-8C15H8F20O2
1-(5-Bromo-thiophen-2-yl)-2-chloro-ethanone1-(5-???-???-2-YL)-2-???-???62673-67-0C6H4BrClOS
Methyl 2,2-difluoro-3-oxopentanoate??2,2-?????-3-????????196202-01-4C6H8F2O3
1,3,5-trimethyl-1H-pyrazole-4-carbonitrile(SALTDATA: FREE)1H-???-4-??????,1,3,5-????-(9CI)108161-13-3C7H9N3
N-MethylisoaMylaMine????????4104-44-3C6H15N
1H-imidazo[1,2-b]pyrazole-7-carboxylic acid(SALTDATA: HCl)1H-????[1,2-b]???-7-?????(9CI)135830-13-6C6H5N3O2
4-Hydroxy-4'-diMethylaMinoazobenzene4-HYDROXY-4'-???????????2496-15-3C14H15N3O
(5E)-5-(5-bromo-2-hydroxybenzylidene)-3-ethyl-2-thioxo-1,3-thiazolidin-4-one(SALTDATA: FREE)313470-10-9C12H10BrNO2S2
3-iodo-4-(prop-2-yn-1-yloxy)benzaldehyde(SALTDATA: FREE)812642-63-0C10H7IO2
Diethyl DiisobutylMalonate81749-14-6C15H28O4
Ethyl 2-methylaminomethyl-3-p-tolyl-propionate??2-???????-3-P-??-???????886366-02-5C14H21NO2
4-(2-Ethoxycarbonyl-acetyl)-piperidine-1-carboxylic acid tert-butyl ester4-(2-??????-???)-????-1-????tert-??????479630-08-5C15H25NO5
2-Fluoro-5-Methylbenzoyl chloride2-????-5-??????????135564-61-3C8H6ClFO
4-Phenylazo-1-naphthylamine Hydrochloride83833-14-1C16H14ClN3
3-Hydroxy-1-methylpyridazin-6(1H)-one3-HYDROXY-1-??????-6(1H)-ONE5436-01-1C5H6N2O2
2-chloro-N-1,3-thiazol-2-ylacetamide(SALTDATA: FREE)2-???-N-(1,3-???-2-?)??????5448-49-7C5H5ClN2OS
5-(Trifluoromethyl)-4-(trimethylsilyl)-1H-pyrrolo[2,3-b]pyridine5-(????????)-4-(??????)-1H-???[2,3-b]???1261365-59-6C11H13F3N2Si
3-Amino-7-fluoro-1-methyl-1H-indazole3-???-7-????-1-??-1H-???171809-14-6C8H8FN3
PotassiuM benzyl N-[2-(trifluoroboranuidyl)ethyl]carbaMate????N-[2-(???????????)??]??????926280-84-4C10H12BF3NO2.K
3-(Thiomorpholin-4-ylcarbonyl)benzeneboronic acid 98%3-(??????-4-?????)?????850567-37-2C11H14BNO3S
N~1~-(3-methylphenyl)-beta-alaninamide(SALTDATA: HCl)N~1~-(3-????)-??-??????(SALTDATA:HCl)938515-45-8C10H14N2O
(2-Methylbutyryl)shikonin52387-15-2C21H24O6
N-(2,4-Dichloro-5-hydroxyphenyl)acetaMideN-(2,4-DICHLORO-5-HYDROXYPHENYL)??????67669-19-6C8H7Cl2NO2
3-(Allyloxy)prop-1-en-2-ylboronic acid pinacol ester3-(????)???-1-?-2-???????????212127-71-4C12H21BO3
N-Methyllidocaine iodide2-[(2,6-??????)???]-N,N-????-N-??-2-?????????????29199-61-9C15H25ClN2O
1-[4-(3-Chloropropoxy)-3-Methoxyphenyl]ethan-1-one4-(3-???????)-3-????????58113-30-7C12H15ClO3
4-Chloro-3-methyl-5-isoxazolamine5-???-4-???-3-??????166964-09-6C4H5ClN2O
(5Z)-5-(3-ethoxy-4-hydroxybenzylidene)-1,3-thiazolidine-2,4-dione(SALTDATA: FREE)331003-75-9C12H11NO4S
(S)-(+)-t-Butylmethyl(di-t-butylphosphinomethyl)phosphino(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate, min. 97% (S)-TCFP-Rh(?)-TCFP-RH705945-68-2C22H42BF4P2Rh
4'-Methoxyacetanilide51-66-1C9H11NO2
4-Fluoro-3-(trifluoromethyl)benzoic acid, 98%4-????-3-(?????????)???67515-55-3C8H4F4O2
β-Amylase, 700000 u/mL??????9000-91-3NULL
Ethyl 2-bromobutyrate, 97%α-????????533-68-6C6H11BrO2
PKC412??????120685-11-2C35H30N4O4
5-Fluoro-7-azaindole, 97%5-FLUORO-1H-???[2,3-B]???866319-00-8C7H5FN2
Boc-His(Boc)-OH, 99%20866-46-0C16H25N3O6
O-(2-Acetamido-2-deoxy-D-glucopyranosylidene)amino N-phenyl carbamate, 97%132489-69-1C15H19N3O7
Aluminum acetate, basic (boric acid adduct)7360-44-3C2H5AlO4
Methyl 1-methyl-4-oxopiperidine-3-carboxylate hydrochloride, 97%N-??-3-?????-4-???????13049-77-9C8H14ClNO3
5-Methylpyrimidine, 98%2036-41-1C5H6N2
Tris[1-phenylisoquinoline-C2,N]iridium(III), 99%Ir(piq)3,???[1-?????????-C2,N]???(III)435293-93-9C45H30IrN3
1,6-Anhydro-β-D-Mannopyranose14168-65-1C6H10O5
1-BroMo-3-(4-Morpholino)benzene4-(3-?????)????197846-82-5C10H12BrNO
Ethyl 2-(2-formylphenoxy)acetate??2-(2-?????)?????41873-61-4C11H12O4
Diethyl butylphosphonate2404-75-3C8H19O3P
4-tert-Butylphenacyl chloride4-tert-???????????21886-62-4C12H15ClO
2,4-DiMethylbenzonitrile21789-36-6C9H9N
C-[1,4]Dioxan-2-yl-MethylaMineC-[1,4]DIOXAN-2-YL-????88277-83-2C5H11NO2
5-Methyl-5-??-1,3,4-?????-2-????????888504-28-7C4H3KN2O3
2-BroMo-5-nitrofuran2-???-5-?????823-73-4C4H2BrNO3
Ethyl pentafluoropropionylacetate, 95%663-35-4C7H7F5O3
2-[(5-methyl-1H-benzimidazol-2-yl)amino]ethanol(SALTDATA: FREE)121477-75-6C10H13N3O
1-(4-Amino-2-fluorophenyl)-3-pyrrolidinol1-(4-???-2-??????)-3-?????593249-20-8C10H13FN2O
4-Iodo-4',4''-diMethoxytriphenylaMine4-???-4',4"-??????????201802-15-5C20H18INO2
1-(4-Bromobutoxy)-4-methoxy-benzene, 97%1-(4-??????)-4-???-??2033-83-2C11H15BrO2
(+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate, 98+% (S,S)-Me-DUPHOS-Rh205064-10-4C26H40BF4P2Rh4*
4-N-Hexyloxyphenol, 98%18979-55-0C12H18O2
4-AMino-1-[2-(4-Methoxyphenyl)ethyl]piperidine1-(4-??????)-4-???????85098-70-0C14H22N2O
Methyl 2-(methylamino)-5-nitrobenzenecarboxylate??2-(?????)-5-????????????3558-14-3C9H10N2O4
2-Mercapto-4,6-dimethylnicotinonitrile54585-47-6C8H8N2S
1,2,3,4-Tetrahydroisoquinoline Hydrochloride14099-81-1C9H12ClN
N-(4-bromophenyl)-2-methoxyacetamide(SALTDATA: FREE)N-(4-?????)-2-?????????104703-38-0C9H10BrNO2
Bis(2-Methoxyethyl) Adipate106-00-3C12H22O6
3-(2-methyl-2H-tetrazol-5-yl)aniline(SALTDATA: FREE)3-(2-??-2H-????-5-?)???(SALTDATA:FREE)114934-51-9C8H9N5
5-(Trifluoromethyl)indolin-2-one, 95%5-????????-2-???71293-62-4C9H6F3NO
1-(Pyridin-4-yl)homopiperazine dihydrochloride 97%1-(4-???)-??????????851292-41-6C10H17Cl2N3
4-{[2-(Diethylamino)ethyl]carbamoyl}benzeneboronic acid hydrochloride 98%4-(2-(??????)??????)?????,HCL913835-46-8C13H22BClN2O3
4-Formyl-2-methylphenylboronic acid(4-???-2-????)???156428-81-8C8H9BO3
Phenoxy-acetaldehyde diethyl acetal(2,2-???????)??32438-31-6C12H18O3
1-(4-Chlorophenyl)-1-cyclopropanemethanol, 98%1-(4-?????)-1-??????????80866-81-5C10H11ClO
4-isobutoxy-3-methoxybenzaldehyde(SALTDATA: FREE)4-?????-3-?????????66488-79-7C12H16O3
3-[(4-fluorobenzyl)thio]propanoic acid(SALTDATA: FREE)3-[(4-??????)??]????23912-15-4C10H11FO2S
2,3,5,6-Tetrafluorobenzyl chloride2,3,5,6-????????????107267-44-7C7H3ClF4
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