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

?? ?:J & K SCIENTIFIC LTD.
??:-18210857532
???:jkinfo@jkchemical.com
??:China
URL: https://www.jkchemical.com
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Tetracyclohexyltin, 99%1449-55-4C24H44Sn
(3-amino-4-methylphenyl)dimethylamine(SALTDATA: 2HCl 1H2O)1,3-?????,N1,N1,4-????-(9CI)6370-29-2C9H14N2
5-(2-Fluorophenyl)tetrazole5-(2,6-??????)-1H-????50907-31-8C7H4Cl2N4
3-Bromo-4-nitrobenzaldehyde101682-68-2C7H4BrNO3
Ethyl UndecafluoroaMyl Ketone???????-N-????383177-55-7C8H5F11O
2-FluoroethanaMine hydrochloride2-???????? ???460-08-2C2H7ClFN
2,4,6-TriphenylpyryliuM Hydrogensulfate2,4,6-???????????51071-75-1C23H18O5S
2-(N,N-DiMethylsulphaMoyl)benzeneboronic acid178432-25-2C8H12BNO4S
2-Hydroxy-N-MethylbenzylaMine Hydrochloride2-?????-N-?????????60399-02-2C8H11NO
N-methyl-2-butanamine(SALTDATA: HCl)N,1-????????7713-69-1C5H13N
N,N'-Bis(2-aMinobenzal)ethylenediaMineN,N'-??(2-?????)??????4408-47-3C16H18N4
Ethyl 3-amino-4-cyano-5-(methylthio)-thiophene-2-carboxylate116170-90-2C9H10N2O2S2
5-bromo-N-(tert-butyl)-2-furamide(SALTDATA: FREE)5-???-N-(tert-??)-2-????356562-19-1C9H12BrNO2
2-(4-bromophenyl)acetohydrazide(SALTDATA: FREE)2-(4-?????)?????????57676-50-3C8H9BrN2O
1,1-Dimethyl-1-silacyclopentane1072-54-4C6H14Si
1-(1-cyclopropylethyl)-4-methyl-1H-pyrazol-5-amine(SALTDATA: FREE)957514-22-6C9H15N3
Ethyl benzofurazan-5-carboxylate???????-5-???????36389-07-8C9H8N2O3
1-AMinopentadecane??????2570-26-5C15H33N
3-Iodo-4-nitrobenzotrifluoride3-????-4-?????????????16499-53-9C7H3F3INO2
Poly(4-chlorostyrene), average M.W. 51,00024991-47-7C8H7Cl
Diethyl sec-Butylmalonate, 95%???SEC-???????83-27-2C11H20O4
[1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]-[2-[[(4-methylphenyl)imino]methyl]-4-nitrophenolyl]-[3-phenyl-1H-inden-1-ylidene]ruthenium(II) chloride????M41934538-04-2C50H47ClN4O3Ru
4-Hydroxy-β-nitrostyrene4-?????-B-??????3179-08-6C8H7NO3
3-[3-(2-fluorophenyl)-1,2,4-oxadiazol-5-yl]propanoic acid(SALTDATA: FREE)685525-40-0C11H9FN2O3
Magnesium iodate tetrahydrate, pure, 98%7790-32-1H3IMgO3
5-bromopyrazine-2,3-diamine, 95%5-???-???-2,3-???89123-58-0C4H5BrN4
Bis(2-methylallyl)palladium chloride dimer, min. 98%BIS(2-????)???????????12081-18-4C16H28Cl2Pd2
Borane-2-picoline complex, 95%3999-38-0C6H10BN
7-chloroisoquinoline, 95%34784-06-0C9H6ClN
(-)-1,2-Bis((2R,5R)-2,5-diethylphospholano)benzene(1,5-cyclooctadiene)rhodium(I) trifluoromethanesulfonate, 98+% (R,R)-Et-DUPHOS-Rh(-)-1,2-BIS((2R,5R)-2,5-????????)??(????????)??(I)????????????136705-77-6C31H48F3O3P2RhS
Fmoc-3,4-dichloro-D-phenylalanine, 98%177966-58-4C24H19Cl2NO4
Erbium(III) perchlorate, 50% aqueous solution (99.9%-Er) (REO)61565-07-9Cl3ErH12O18
1-(4-methyl-1H-imidazol-2-yl)ethanone(SALTDATA: FREE)1-(4-METHYL-1H-????-2-YL)-???2524-90-5C6H8N2O
Methyl 4-aMino-3-hydroxybenzoate??4-???-3-?????????63435-16-5C8H9NO3
N-[2-(tert-ButoxycarbonylaMino)ethyl]glycine Ethyl Ester72648-80-7C11H22N2O4
Trihexyl(tetradecyl)phosphonium tetrafluoroborate, min. 97% CYPHOS?IL 111????(?????)??????????????374683-55-3C32H68BF4P
2,3,5-TriphenyltetrazoliuM BroMide2,3,5-??????????????1096-80-6C19H15BrN4
1,2,2,6,6-PentaMethylpiperidine79-55-0C10H21N
5-(Methylsulphonyl)pyridine-3-boronic acid 98%5-(????)-3-?????913836-01-8C6H8BNO4S
3-Amino-5-bromopicolinonitrile573675-27-1C6H4BrN3
2-(2-methylphenyl)-2-(4-methylpiperidin-1-yl)ethanamine(SALTDATA: FREE)915922-08-6C15H24N2
[5-(Morpholinomethyl)isoxazol-3-yl]methylamine, 97%[5-(???????)????-3-?]????893748-66-8C9H15N3O2
Ethyl 6-bromo-2-methylquinoline-4-carboxylate , 97%??6-???-2-?????-4-???????62482-30-8C13H12BrNO2
Pyrido[2,3-b]pyrazin-7-amine???[2,3-b]???-7-??(9CI)804551-62-0C7H6N4
5-oxo-1-propylpyrrolidine-3-carboxylic acid(SALTDATA: FREE)5-??-1-???????-3-?????(SALTDATA:??)208118-23-4C8H13NO3
Ethyl 2-chloro-2-[2-(2-nitrophenyl)hydrazono]acetate??2-???-2-[2-(2-?????)?????]?????37522-26-2C10H10ClN3O4
C-(2,3-Dihydro-benzofuran-2-yl)-methylamine hydrochloride1-(2,3-DIHYDRO-1-BENZOFURAN-2-YL)METHANAMINE???19997-54-7C9H12ClNO
(+)-1,2-Bis[(2S,5S)-2,5-diMethyl-(3S,4S)-3,4-dihydroxyphospholano]benzene bis(trifluoroMethanesulfonate)salt (S,S,S,S)-ROPHOS-bis(OTf)552829-96-6C20H30F6O10P2S2
Cephalexin monohydrate, 98%23325-78-2C16H19N3O5S
Ethyl N-Boc-piperidine-3-carboxylate, 98%??1-Boc-3-???????????130250-54-3C13H23NO4
1H-1,2,4-Triazole-1-carboxamidine monohydrochloride, 98.5%19503-26-5C3H6ClN5
2-allyl-2H-tetrazol-5-amine(SALTDATA: FREE)2H-????-5-??,2-(2-????)-74999-26-1C4H7N5
6-methyl-4-oxo-1,4-dihydropyridine-3-carboxylic acid(SALTDATA: FREE)33821-58-8C7H7NO3
Fluorescin [Reagent for Oxydases and Peroxydases]????518-44-5C20H14O5
2-Hexylcyclopentanone13074-65-2C11H20O
tert-Butyl 4-bromo-2-nitrobenzoate 98%tert-??4-???-2-????????890315-72-7C11H12BrNO4
Ethyl 2-chlorotetrafluoropropionate??2-?????????????????5829-03-8C5H5ClF4O2
1-(4-chlorophenyl)piperidin-4-one(SALTDATA: FREE)1-(4-???-??)-????-4-?113759-96-9C11H12ClNO
5-(chloromethyl)-1-cyclohexyl-1H-imidazole(SALTDATA: HCl)858416-08-7C10H15ClN2
Hexafluoro-DL-leucine????????16198-60-0C6H7F6NO2
4-Methyl-oxazole-5-carboxylic acid amide4-??-???-5-????????4866-00-6C5H6N2O2
4-Cyclohexylphenylglyoxal hydrate 95%4-???????????????99433-89-3C14H18O3
1,8-dimethyl-3,6-diazatricyclo[4.3.1.1~3,8~]undecan-9-one(SALTDATA: FREE)123366-49-4C11H18N2O
4-N-BOC-Amino-4-carboxytetrahydrothiopyran, 95%108329-81-3C11H19NO4S
4-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]butanoic acid(SALTDATA: FREE)4-(3-P-??-[1,2,4]?????-5-?)-????851628-34-7C13H14N2O3
4-(1-Methyl-1H-pyrazol-3-yl)benzylamine 97%4-(1-??-1H-???-3-?)????915707-40-3C11H13N3
Tris Borate EDTA buffer, 10x, DNAse, RNAse and Protease free, pH 8.3, for molecular biology??????EDTA???,10X,DNASE,RNASE????????,PH8.3,??????610769-35-2C14H30BN3O14
5-[1-(3-chlorophenoxy)ethyl]-4-methyl-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)667414-17-7C11H12ClN3OS
2,2'-Ethylenedianiline2,2'-???????34124-14-6C14H16N2
3-Benzylpiperidine-3-carboxylic acid ethyl ester hydrochloride3-??????-3-???????????170842-81-6C15H22ClNO2
m-Toluoyl chloride, 98.5%M-???? ???1711-06-4C8H7ClO
Tetramethylurea, 99%632-22-4C5H12N2O
(6-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)amine(SALTDATA: HCl)1,2,3,4-??????-6-???-1-??????52373-02-1C11H15NO
1-[1-(4-methyl-1-piperazinyl)cyclopentyl]methanamine(SALTDATA: FREE)959240-31-4C11H23N3
1-(4-Bromobenzoyl)pyrrolidine(4-?????)(????-1-?)???5543-27-1C11H12BrNO
(3,4-dimethylphenyl)acetic acid(SALTDATA: FREE)3,4-?????????17283-16-8C10H12O2
cis-2-(4-Methylbenzoyl)cyclohexane-1-carboxylic acidCIS-2-(4-?????)-1-??????????,99107147-13-7C15H18O3
5-ethyl-4-phenyl-1,3-thiazol-2-amine(SALTDATA: FREE)5-??-4-??-1,3-???-2-??34176-47-1C11H12N2S
4-Benzoyl-1H-pyrrole-2-carboxylic acid4-???-1H-??-2-?????15372-84-6C12H9NO3
3-(4-methylphenyl)-1-phenyl-1H-pyrazole-4-carboxylic acid(SALTDATA: FREE)1-???-3-P-??-1H-???-4-????380910-52-1C17H14N2O2
Tridocosanoin??????18641-57-1C69H134O6
3-Cyclopentyl-1-propanol, 99%767-05-5C8H16O
3-(2,5-Dioxo-pyrrolidin-1-yl)-propionic acid3-(2,5-???????-1-?)????5724-76-5C7H9NO4
(R)-2-Chlorobutyric Acid(R)-(+)-2-??????54053-45-1C4H7ClO2
N-(4-fluorobenzoyl)-beta-alanine(SALTDATA: FREE)3-[(4-??????)???]????440341-64-0C10H10FNO3
(4-bromo-2-chlorophenoxy)acetic acid(SALTDATA: FREE)(4-???-2-??????)????77228-67-2C8H6BrClO3
3-Cyano-5-nitrobenzotrifluoride20566-80-7C8H3F3N2O2
1-(8-Methoxy-2H-chromen-3-yl)-1-ethanone57543-54-1C12H12O3
3,4,5,6-Tetrachlorophthalimide, 98%3,4,5,6-?????????1571-13-7C8HCl4NO2
5-Chloro-2-hydroxypyridine, 98%4214-79-3C5H4ClNO
3,4,4'-Trichlorobenzophenone3,4,4'-?????????33093-42-4C13H7Cl3O
3-(Phenoxymethyl)benzaldehyde , 97%3-(?????)??????104508-27-2C14H12O2
3-[(3-chloro-4-methylphenyl)amino]-3-oxopropanoic acid(SALTDATA: FREE)73877-03-9C10H10ClNO3
Indophenol Blue????132-31-0C18H16N2O
Phenethyltrichlorosilane940-41-0C8H9Cl3Si
D-Phenylalanine Benzyl Ester p-Toluenesulfonate28607-46-7C23H25NO5S
2-Hydroxy-6-methoxy-4-methylquinoline6-METHOXY-4-METHYL-???-2-OL5342-23-4C11H11NO2
Di(tert-butylperoxyisopropyl)benzene, Mixture of isoMers1,3-?-(??-?? ????????)??2212-81-9C20H34O4
cis-2-(4-Methoxybenzoyl)cyclohexane-1-carboxylic acid57078-11-2C15H18O4
Phenyl N-Benzyl-2-aMino-4,6-O-benzylidene-2-N,3-O-carbonyl-2-deoxy-1-thio-beta-D-glucopyranoside910805-49-1C27H25NO5S
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