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

?? ?:J & K SCIENTIFIC LTD.
??:-
???:jkinfo@jkchemical.com
??:China
URL: www.jkchemical.com
? ?? ?:96815
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3,5-Bis(trifluoromethyl)pyridine, 97%20857-47-0C7H3F6N
DBD-NCS [=4-(N,N-DiMethylaMinosulfonyl)-7-isothiocyanato-2,1,3-benzoxadiazole][for HPLC Labeling and EdMan Degradation]147611-81-2C9H8N4O3S2
Diethyl isopropylphosphonate, 98%1538-69-8C7H17O3P
3-Chloro-6-hydroxy-2,4-dimethyl-benzaldehyde5-???-2-?????-3-????????23602-63-3C8H7ClO2
Chlorodimethylpropylsilane, 97%?????????????17477-29-1C5H13ClSi
Morpholin-4-yl-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-phenyl]-methanone4-(????)????????????,???????656239-38-2C17H24BNO4
6-Amino-3-ethyl-4-phenyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile, 97%444790-63-0C15H14N4O
IsopropylaMine Hydrochloride??????????15572-56-2C3H10ClN
3-N-Boc-Amino-1-[2-amino-1-(4-benzyloxy-phenyl)-ethyl]-pyrrolidine886365-19-1C24H33N3O3
4-Pentylphenacyl bromide2-???-1-(4-????)??-1-?64328-68-3C13H17BrO
2,4-Dioxo-1-phenyl-1,2,3,4-tetrahydro-5-pyrimidinecarbonitrile2,4-???-1-??-1,2,3,4-??????-5-?????????6275-84-9C11H7N3O2
CalciuM 2-Hydroxy-4-(Methylthio)butyrate???????????4857-44-7C5H12CaO3S
4-Phenoxyphenylacetic acid, 98%4-????????6328-74-1C14H12O3
2-Chloro-3,5-dibromo-6-methylpyridine, 97%2-???-3,5-????-6-?????1000018-58-5C6H4Br2ClN
N-(2,4-Dinitrophenyl)-L-valine1694-97-9C11H13N3O6
9-ethyl-3-(piperazin-1-ylmethyl)-9H-carbazole(SALTDATA: 2HCl)356082-25-2C19H23N3
2-n-Propylpiperidine3238-60-6C8H17N
4-[(isobutyrylamino)methyl]benzoic acid(SALTDATA: FREE)908495-37-4C12H15NO3
5-(4-methoxyphenyl)oxazole-4-carboxylic acid, 95%5-(4-?????)-1,3-???-4-?????89205-07-2C11H9NO4
3-isopropoxy-1-propanol(SALTDATA: FREE)110-48-5C6H14O2
1-Phenylimidazole, 97%1-??????7164-98-9C9H8N2
Isopropylmagnesium bromide, 3.0 M solution in 2-MeTHF, J&KSeal????????????????920-39-8C3H7BrMg
Cinnamamide, 97%621-79-4C9H9NO
5-Bromo-2-(piperazin-1-yl)pyrimidine, 98%N-(???????????-4,6-YL)??-2-???99931-82-5C8H11BrN4
3,5-DiMethylbenzyl Cyanide3,5-???????????39101-54-7C10H11N
3,4,5-Trimethoxyaniline, 98%3,4,5-????????24313-88-0C9H13NO3
2,2-Diphenylpropionitrile, 97%5558-67-8C15H13N
(S)-(-)-α-Methyl-1-naphthalenemethanol, 97%15914-84-8C12H12O
1-Ethyl-1H-indole-5-carbaldehyde1-??-1H-??-5-??????944893-74-7C11H11NO
DiMethyl 3,5-Pyridinedicarboxylate??????-3,5-????????4591-55-3C9H9NO4
4-AMinobenzyl Cyanide4-????????????3544-25-0C8H8N2
6,7-Methylenedioxy-4-Methyl-3-MaleiMidocouMarin [for HPLC Labeling]3-?????-4-??-6,7-?????????97744-90-6C15H9NO6
8-fluoroisoquinoline, 95%1075-00-9C9H6FN
Sulfapyridine, 99%?????144-83-2C11H11N3O2S
Bromo-tris-pyrrolidino-phosphonium hexafluorophosphate, 97%132705-51-2C12H24BrF6N3P2
2-Fluoro-6-iodobenzoic acid, 98%2-????-6-????? ?111771-08-5C7H4FIO2
3-Bromo-4-methylquinolin-2(1H)-one3-???-4-?????-2(1H)-?37778-22-6C10H8BrNO
N-(1-Naphthyl)-N-(phenylmethylene)amine , 97%N-????-1-?????890-51-7C17H13N
4-(Methylsulfonyl) phenylacetonitrile4-(?????)????????25025-07-4C9H9NO2S
2,3-Difluoro-4-iodopyridine2,3-?????-4-??????851386-34-0C5H2F2IN
Methyl 4-hydroxy-6-oxo-1-[3-(trifluoromethyl)-phenyl]-1,6-dihydro-3-pyridazinecarboxylate121582-55-6C13H9F3N2O4
N-Boc-N-methyl-5-chloro anthranilic acid?????,N-BOC-N-??-5-???886362-04-5C13H16ClNO4
4-(1,2,4-Triazol-1-yl)benzaldehyde4-(1H-1,2,4-TRIAZOL-1-YL)??????27996-86-7C9H7N3O
5-Methylamino-[1,3,4]thiadiazole-2-thiol27386-01-2C3H5N3S2
1-(1H-benzimidazol-2-yl)-2-chloroethanone(SALTDATA: FREE)10227-64-2C9H7ClN2O
3-Chloro-4,5-diaMinobenzotrifluoride132915-80-1C7H6ClF3N2
2-Fluoro-6-(4-chlorophenylthio)benzonitrile 97%175204-12-3C13H7ClFNS
1-(2-pyrazinylcarbonyl)-4-piperidinone(SALTDATA: FREE)1-(2-????????)-4-?????(SALTDATA:FREE)1060817-24-4C10H11N3O2
1-Isopropylpiperazine, 99%4318-42-7C7H16N2
3,5-Pyrazoledicarboxylic acid, 98%3,5-????????? ????????3112-31-0C5H4N2O4
1-(5-Chloro-2-methoxy-phenyl)-piperazine hydrochloride, 98%1-(5-CHLORO-2-?????)???????99857-72-4C11H15ClN2O
1-Methyl-5-homopiperazinone, 98%2,5-???-5-?????????5441-40-7C6H12N2O
3-Benzoylpropionic acid, 98%2051-95-8C10H10O3
3,5-Dimethylisoxazole-4-carboxylic acid, 98%3,5-???????-4-?????2510-36-3C6H7NO3
3-Chloro-2-butanone, 97%3-???-2-???4091-39-8C4H7ClO
3-Fluoro-4-(trifluoromethyl)benzoic acid, 98%3-????-4-(?????????)???115754-21-7C8H4F4O2
D-Alanine tert-butyl ester hydrochloride, 99%59531-86-1C7H16ClNO2
4-Methoxyphenyl 3-O-benzyl-4,6-O-benzylidene-2-deoxy-2-phthalimido-β-D-glucopyranoside129575-88-8C35H31NO8
Boc-D-phenylglycinol, 98%102089-74-7C13H19NO3
Diphenylacetic acid, 99%?????117-34-0C14H12O2
8-Chloroquinoline, 99%611-33-6C9H6ClN
4-Nitrophenyl 2-acetamido-2-deoxy-α-D-glucopyranoside, 98%10139-02-3C14H18N2O8
Tris(2-ethylhexyl) phosphate, 98%???? ???78-42-2C24H51O4P
3-AMino-4-hydroxybenzeneacetic Acid(3-???-4-??????)????38196-08-6C8H9NO3
N-(2-nitrobenzyl)cycloheptanamine(SALTDATA: HBr)355382-89-7C14H20N2O2
L-Glutamine methyl ester hydrochloride32668-14-7C6H13ClN2O3
5-Chloro-6-hydroxynicotinonitrile5-???-6-???????????19840-46-1C6H3ClN2O
1-(3-Hydroxypropyl)-2-pyrrolidone1-(3-????????)-2-????62012-15-1C7H13NO2
3-(Nonylamino)propionitrile3-(?????)???????91564-96-4C12H24N2
3-Chloro-5H-indeno[1,2-c]pyridazine3-CHLORO-5H-INDENO[1,2-C]????69581-17-5C11H7ClN2
5-oxo-1-(2-phenylethyl)pyrrolidine-3-carboxylic acid(SALTDATA: FREE)5-OXO-1-(2-????)????-3-?????30380-70-2C13H15NO3
4-(TrifluoroMethyl)-DL-phenylglycine 97%142012-65-5C9H8F3NO2
N,N-DibutylforMaMide???????????761-65-9C9H19NO
2-Benzylpyrrolidine2-??????35840-91-6C11H15N
3-(2-Chloro-pyridin-3-yl)-acrylic acid ethyl ester104830-08-2C10H10ClNO2
1,2-Ethanedisulfonic Acid Magnesium Salt73097-80-0C2H4MgO6S2
1-(Chloromethyl)-2,2,3,3-tetrafluorocyclobutane1-?????-2,2,3,3-?????????????356-80-9C5H5ClF4
3-Amino-5-(methoxycarbonyl)benzeneboronic acid pinacol ester hydrochloride 95%(3-AMINO-5-METHOXYCARBONYL)???????????????850567-50-9C14H21BClNO4
(1S,2R)-1-Phenyl-2-(1-pyrrolidinyl)propan-1-ol123620-80-4C13H19NO
1-(2-Bromo-ethyl)-4-fluoro-benzene332-43-2C8H8BrF
6-Fluoro-6-deoxy-D-galactopyranose 97%6-????-6-???-D-???????18961-68-7C6H11FO5
3-(Trifluoromethyl)benzaldoxime 97%3-(????????)????368-83-2C8H6F3NO
3-(2,5-dioxopyrrolidin-1-yl)benzoic acid(SALTDATA: FREE)3-(2,5-DIOXO-PYRROLIDIN-1-YL)-???60693-31-4C11H9NO4
6-Phenyl-2-pyridone19006-82-7C11H9NO
tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate, 97%1-TERT-BUTOXYCARBONYLINDOLE-5-??,???????777061-36-6C19H26BNO4
4-(4-MorpholinoMethyl)phenylboronic acid pinacol ester hydrochloride4-(4-MORPHOLINOMETHYL)-???????????????944591-57-5C17H27BClNO3
5-methyl-3-phenylisoxazole-4-carboxylic acid(SALTDATA: FREE)5-??-3-??????-4-?????1136-45-4C11H9NO3
1-Trimethylsilyl-1,2,4-triazole18293-54-4C5H11N3Si
1-Benzyl-2-pyrrolidinone1-??-2-?????5291-77-0C11H13NO
4-[(4-Chlorophenyl)sulfonyl]-3-thiophenecarboxylic acid , 97%4-[(4-?????)???]-3-???????423769-77-1C11H7ClO4S2
5,7-dimethyl-1H-indazole(SALTDATA: FREE)5,7-???-1H-???43067-41-0C9H10N2
5-[(4-methyl-4H-1,2,4-triazol-3-yl)thio]-2-furaldehyde(SALTDATA: FREE)938459-16-6C8H7N3O2S
5-amino-1-cyclohexyl-1H-pyrazol-3-ol(SALTDATA: FREE)5-???-1-?????-1H-???-3-OL436088-86-7C9H15N3O
(S)-a-AMino-oMega-caprolactaM(S)-3-???-??????-2-????21568-87-6C6H12N2O
N-(2-bromophenyl)-2-methoxyacetamide(SALTDATA: FREE)N-(2-?????)-2-?????????430450-95-6C9H10BrNO2
(2H),1,4-Benzothiazin-3(4H)-one(2H)1,4-?????-3(4H)-ONE5325-20-2C8H7NOS
4-Trimethylsilylbenzaldehyde4-????????????2199-32-8C10H14OSi
4-Propoxybenzoic acid4-???????5438-19-7C10H12O3
2,4,6-Tris(heptafluoropropyl)-1,3,5-triazine915-76-4C12F21N3
1-[1-(3-methylphenyl)-1H-pyrazol-4-yl]ethanone(SALTDATA: FREE)1015846-08-8C12H12N2O
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