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

?? ?:J & K SCIENTIFIC LTD.
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???:jkinfo@jkchemical.com
??:China
URL: www.jkchemical.com
? ?? ?:96815
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3-Methyl-2-benzoxazolinone, 98%3-??-2-??????21892-80-8C8H7NO2
2-methyl-1-benzothiophene-3-carbaldehyde(SALTDATA: FREE)30446-99-2C10H8OS
4-tert-Butyldiphenyl Sulfide85609-03-6C16H18S
(4-bromobenzyl)isobutylamine(SALTDATA: HCl)347406-07-9C11H16BrN
1-(4-Fluorophenyl)-pyrrole-2,5-dione1-(4-????-??)-??-2,5-??6633-22-3C10H6FNO2
2-Chloromethylbenzo[d]thiazole, 97%2-(?????)-1,3-?????37859-43-1C8H6ClNS
Tri-i-butylphosphine, min. 93%4125-25-1C12H27P
Bis(indenyl)zirconium dichloride, min. 98%??????(???)????(IV)12148-49-1C18H14Cl2Zr10*
8-bromoimidazo[1,2-a]pyridine, 95%8-???-????[1,2-A]???850349-02-9C7H5BrN2
3-Bromo-4-methylthiophene, 95%30318-99-1C5H5BrS
5-Chloro-2-fluorobenzoyl chloride, 97%5-???-2-????????????394-29-6C7H3Cl2FO
3-(4-Fluorophenyl)piperidine hydrochloride3-(4-??????)?????????????1106940-94-6C11H15ClFN
5-bromo-2-chlorobenzamide(SALTDATA: FREE)5-???-2-???????188774-55-2C7H5BrClNO
Isobutyl Gallate3856-05-1C11H14O5
N-(2,2,2-trifluoroethyl)aniline(SALTDATA: FREE)N-(2,2,2-????????)???351-61-1C8H8F3N
2-(2-ethyl-1H-imidazol-1-yl)ethanamine(SALTDATA: FREE)2-(2-??-1H-????-1-?)????(?????:??)113741-02-9C7H13N3
3,5-Difluoronitrobenzene, 98%2265-94-3C6H3F2NO2
β-Hydroxybutyrate Dehydrogenase, 400 units/mgD-3-???????????????9028-38-0NULL
Ionomycin calcium salt, 98%??????????56092-82-1C41H70CaO9
4-[(E)-(2-Mercapto-4-oxo-1,3-thiazol-5(4H)-ylidene)Methyl]benzoic acid103987-82-2C11H7NO3S2
1-Cbz-3-Chlorosulfonyl-pyrrolidine1-CBZ-3-??????-????1035173-74-0C12H14ClNO4S
5-(4-Bromophenyl)-3-methyl-1,2,4-oxadiazole , 97%5-(4-?????)-3-??-1,2,4-?????71566-07-9C9H7BrN2O
Ethyl 1-Benzylpyrrole-3-carboxylate1-????-3-???????????128259-47-2C14H15NO2
1-(Nitromethyl)cyclohex-1-ene1-(?????)CYCLOHEX-1-ENE5330-61-0C7H11NO2
(1Z)-3-(dimethylamino)-N'-hydroxypropanimidamide(SALTDATA: FREE)3-??????-N-????-???????98138-26-2C5H13N3O
2-(4-Fluorophenyl)malondialdehyde2-(4-??????)????????493036-47-8C9H7FO2
2-Iodo-1,4-benzenediamine2-???-1,4-?????69951-01-5C6H7IN2
4-Amino-5-methoxy-2-methylphenylbenzamideN-(4-AMINO-5-METHOXY-2-METHYLPHENYL)?????99-21-8C15H16N2O2
N,N-Dimethyl-2-(methylamino)acetamide hydrochloride1857-20-1C5H12N2O
3-allyl-5-ethoxy-4-methoxybenzaldehyde(SALTDATA: FREE)872183-40-9C13H16O3
N'-Cyano-N'''-methyl-2,6-dimethylmorpholine-4-carboxamidine494763-16-5C9H16N4O
BroModifluoroacetyl chloride????????????????3832-48-2C2BrClF2O
1-Methyl-2-(tributylstannyl)-1H-pyrrole1-METHYL-2-(TRIBUTYLSTANNYL)-1H-??118486-97-8C17H33NSn
4-Amino-2-methoxy-5-nitropyridine127356-38-1C6H7N3O3
1-[4-(2-methoxyethoxy)phenyl]methanamine(SALTDATA: FREE)1-[4-(2-??????)??]????(SALTDATA:FREE)102196-20-3C10H15NO2
5-(4-Bromobenzoylamino)-2-ethoxybenzenesulfonylchloride680617-92-9C15H13BrClNO4S
N-(3-aminophenyl)-2-methoxyacetamide(SALTDATA: 1HCl 1H2O)187225-67-8C9H12N2O2
2-Bromobiphenyl, 98%2052-07-5C12H9Br
t-Butyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl carbonate, min. 97%2-TERT-BUTOXYCARBONYLOXY?????,???????480424-71-3C17H25BO5
4-Amino-3-bromo-5-nitrobenzotrifluoride, 98%113170-71-1C7H4BrF3N2O2
5-Bromoindoxyl diacetate, 99%5-????????????33588-54-4C12H10BrNO3
D-Threonine, 99%24830-94-2C4H9NO3
N-Benzoylaminopurine, 98%4005-49-6C12H9N5O
2,4-Dithiobiuret2,4-??????541-53-7C2H5N3S2
4-Diazo-4'-MethoxydiphenylaMine Sulfate4-DIAZO-4'-METHOXYDIPHENYLAMINE????49732-38-9C13H13N3O5S
(S)-2,2'-DiMethoxy-1,1'-binaphthyl75640-87-8C22H18O2
3-(2-Morpholin-4-yl-ethoxy)-benzoic acid3-(2-????-4-YL-???)-???219935-32-7C13H17NO4
4-(allyloxy)-3,5-dichlorobenzaldehyde(SALTDATA: FREE)27164-07-4C10H8Cl2O2
2-(Piperidin-1-yl)pyrimidine-5-boronic acid pinacol ester2-(4-?????)????-5-??????????1015242-08-6C15H24BN3O2
Acid Blue 3 SodiuM Salt20262-76-4C27H31N2O7S2.Na
Fmoc-(S)-3-amino-3-phenylpropionic acid, 98%209252-15-3C24H21NO4
4-Bromo-1-Indanone, 98%4-???-1-???15115-60-3C9H7BrO
6-bromo-2,3,4,9-tetrahydro-1H-carbazol-1-one(SALTDATA: FREE)6-???-2,3,4,9-TETRAHYDRO-1H-CARBAZOL-1-ONE59514-18-0C12H10BrNO
2-[Benzyl(methyl)amino]isonicotinic acid2-[??(??)???]??????77314-89-7C14H14N2O2
[2,2-dimethyl-4-(2-methylphenyl)tetrahydro-2H-pyran-4-yl]acetic acid(SALTDATA: FREE)915893-84-4C16H22O3
Doyle dirhodium catalyst - RH2(4S-MEOX)4DOYLEDIRHODIUM??-RH2(4S-MEOX)4167693-36-9C20H28N4O16Rh2
6-Methoxy-2H-chromene-3-carboxylic acid6-???-2H-??-3-?????57543-62-1C11H10O4
4-(chloromethyl)-2-(3-methylphenyl)-1,3-thiazole(SALTDATA: FREE)4-(?????)-2-(3-????)-1,3-???41963-17-1C11H10ClNS
2-Amino-3,4-dimethylphenylamine3,4-???-O-??????41927-01-9C8H12N2
4'-Isobutylpropiophenone1-(4-??????)???-1-?59771-24-3C13H18O
3-[(2Z)-3-chlorobut-2-en-1-yl]-4-hydroxy-2-methylquinoline-6-carboxylic acid(SALTDATA: FREE)36164-35-9C15H14ClNO3
3-(4-Bromo-thiophen-2-yl)-acrylic acid144558-44-1C7H5BrO2S
N-methyl-2-piperidin-1-ylethanamine(SALTDATA: FREE)??-(2-????-1-YL-??)-??41239-39-8C8H18N2
3-[(4-methoxyphenyl)amino]-3-oxopropanoic acid(SALTDATA: FREE)3-[(4-????)???]-3-???????61916-60-7C10H11NO4
3-Amino-5-(4-tert-butylphenyl)thiophene-2-carboxamide3-???-5-[4-(TERT-??)??]???-2-???????306935-13-7C15H18N2OS
3,4-Dimethylphenylacetonitrile3,4-???????????3020-06-2C10H11N
(3-phenyl-2-propen-1-yl)(tetrahydro-2-furanylmethyl)amine hydrochloride(SALTDATA: HCl)(3-PHENYL-2-PROPEN-1-YL)(TETRAHYDRO-2-FURANYLMETHYL)?????869945-34-6C14H19NO
6-Chloro-7-hydroxy-4-(trifluoroMethyl)couMarin6-???-7-?????-4-(????????)???119179-66-7C10H4ClF3O3
3-Chloroanisole, 99%2845-89-8C7H7ClO
2',4'-Dimethylacetophenone, 98%????????89-74-7C10H12O
3-(5-Methyl-1,2,4-oxadiazol-3-yl)benzoic acid3-(5-??-1,2,4-?????-3-?)???264264-32-6C10H8N2O3
3-bromo-5-(4-methylphenyl)-1H-1,2,4-triazole(SALTDATA: FREE)1227465-72-6C9H8BrN3
3-(Perfluoro-3-methylbutyl)-2-hydroxypropylmethacrylate3-(PERFLUORO-3-????)-2-???????????????16083-79-7C12H11F11O3
Ethyl 2-(hydroxyimino)-2-piperidinoacetate??2-(???????)-2-??????????120209-12-3C9H16N2O3
cyclopropanecarbohydrazide(SALTDATA: FREE)????????????????6952-93-8C4H8N2O
5,5,8,8-Tetramethyl-5,6,7,8-tetrahydro-2-naphthalenyl isocyanate, 97%5,5,8,8-?????-5,6,7,8-??????-2-????????????343962-16-3C15H19NO
1-Bromo-1,1-dichloro-2,2,2-trifluoroethane 96%1-???-1,1-????????????354-50-7C2BrCl2F3
Methyl 4-cyano-3-(1H-pyrrol-1-yl)thiophene-2-carboxylate, 97%175201-81-7C11H8N2O2S
Neohexyldimethylchlorosilane(3,3-?????)????????96220-76-7C8H19ClSi
3,5-dimethyl-1-benzofuran-2-carbaldehyde(SALTDATA: FREE)3,5-???-1-????-2-??????(SALTDATA:??)16817-34-8C11H10O2
DeoxyMannojiriMycin Hydrochloride73465-43-7C6H14ClNO4
2,2,6-TriMethyl-6-vinyltetrahydropyran-3-ol (Mixture of isoMers)2,2,6-????-6-????????-2H-??-3-OL14049-11-7C10H18O2
N-ForMyl-DL-alanine5893-10-7C4H7NO3
4-Nitrophenyl β-L-fucopyranoside, 98%22153-71-5C12H15NO7
Bismuth tripotassium dicitrate57644-54-9C6H9BiKO7
4-Chloro-M-xylene4-???-M-???95-66-9C8H9Cl
Sodium anthraquinone-1-sulfonate, 98%128-56-3C14H9NaO5S
Pyridazin-3-amine, 97%5469-70-5C4H5N3
2-Ethoxy-5-(1-propenyl)phenol??????94-86-0C11H14O2
7-Bromo-1,2,3,4-tetrahydroquinolinehydrochloride7-???-1,2,3,4-?????????????114744-51-3C9H10BrN
Chloro{(R)-(+)-2,2'-bis[di(3,5-xylyl)phosphino]-1,1'-binaphthyl}(p-cymene)ruthenium(II) chloride [RuCl(p-cymene)((R)-xylbinap}]Cl???{(R)-(+)-2,2'-??[?(3,5-???)????]-1,1'-????}(p-??)???(II)???[RuCl(p-??)((R)-????}]Cl944451-24-5C62H60Cl2P2Ru
Pepstatin A, 75%???? A26305-03-3C34H63N5O9
Cycloheptanecarboxylic acid, 98%1460-16-8C8H14O2
Benzotriazole, 99%??????95-14-7C6H5N3
3,4-Dimethoxyphenylacetylene3',4'-DIMETHOXYPHENYL????4302-52-7C10H10O2
6-bromo-2-methyl-4-quinolinol(SALTDATA: FREE)6-???-2-??-4-????103030-28-0C10H8BrNO
ChloroMethyl(dichloro)Methylsilane?????????????1558-33-4C2H5Cl3Si
10-Undecenyltrichlorosilane17963-29-0C11H21Cl3Si
Esterase BS3 from bacillus stearothermophilus, recombinant in E.Coli, EC 3.1.1.1????????9016-18-6NULL
Acetylacetonato(norbornadiene)rhodium(I)32354-50-0C12H15O2Rh
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