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

?? ?:J & K SCIENTIFIC LTD.
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??:China
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2,2'-Bis(2-chlorophenyl)-4,4',5,5'-tetraphenyl-1,2'-biimidazole, 99%7189-82-4C42H28Cl2N4
1-Phenyloctane, 99%1-????2189-60-8C14H22
1-N-Boc-piperidine-3-carboxamide, 97%1-N-BOC-????-3-??????91419-49-7C11H20N2O3
3-(2-Chlorophenyl)propionitrile, 98%3-(2-?????)???????7315-17-5C9H8ClN
AMylcyclohexane4292-92-6C11H22
5-(tetrahydro-2H-pyran-2-yl)thiophene-2-carbaldehyde(SALTDATA: FREE)5-(??????-2H-??-2-?)???-2-???????(SALTDATA:??)915922-93-9C10H12O2S
4-chloro-1-methyl-1H-indole-2-carboxylic acid(SALTDATA: FREE)4-???-1-??-1H-??-2-?????23967-44-4C10H8ClNO2
9H-Carbazol-4-ol54989-33-2C12H9NO
N[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-phenyl]-formamideN-[4-(4,4,5,5-?????-1,3,2-??????-2-?)??]?????480424-94-0C13H18BNO3
4-(4-Chlorophenylsulfanylmethyl)benzoic acid4-(4-???-???????)-???88382-51-8C14H11ClO2S
2-Chloro-3-(4-chlorophenyl)quinoline2-???-3-(4-?????)???85274-81-3C15H9Cl2N
Potassium 3-bromophenyltrifluoroborate374564-34-8C6H4BBrF3K
(R)-(+)-2,2'-Bis(N-diphenylphosphinoaMino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl CTH-(R)-BINAM208248-67-3C44H42N2P2
(R)-?-(p-Chlorophenyl)alanine131690-61-4C9H10ClNO2
4,4'-Dimethoxydiphenylamine, 98%4,4'-?????????101-70-2C14H15NO2
6-Methoxy-2-naphthaldehyde, 98%3453-33-6C12H10O2
9,9-Bis-(4-trifluorovinyloxyphenyl)-9H-fluorene9,9-BIS(4-????????????)????134130-20-4C29H16F6O2
Silver perrhenate, 99% (99.995+%-Re) PURATREM?(I)?????20654-56-2AgO4Re
Cyclopentanemethanol, 98%3637-61-4C6H12O
Panaxatriol, 98%32791-84-7C30H52O4
Decyl sodium sulfate, 99%, for ion-pair chromatography?? ?? ???142-87-0C10H23NaO4S
2-ethoxy-5-(4H-1,2,4-triazol-4-yl)aniline(SALTDATA: FREE)1060796-06-6C10H12N4O
Potassium 2,6-dioxo-1,2,3,6-tetrahydro-4-pyrimidinecarboxylate24598-73-0C5H3KN2O4
Diethyl Isopropylidenesuccinate?????????????????42103-98-0C11H18O4
2,2-Dichloropentanal, 92%2,2-???????41718-50-7C5H8Cl2O
(R)-(+)-Methylsuccinic Acid(R)-(+)-?????3641-51-8C5H8O4
1-Boc-1,7-diaza-spiro[4.4]nonanetert-??1,7-??????[4,4]??-1-???????885268-47-3C12H22N2O2
Octanoic acid???????124-07-2C8H16O2
2-hydroxy-6-methylquinoline-4-carboxylic acid(SALTDATA: FREE)33274-47-4C11H9NO3
(RS)-1-(2-Fluorophenyl)ethylamine 97%(RS)-1-(2-??????)????74788-44-6C8H10FN
5-Nitro-1-benzothiophene-2-carbonyl chloride, 97%5-???-1-?????-2-???????86010-32-4C9H4ClNO3S
Propylcyclohexane????????1678-92-8C9H18
3-Cyclopropylbenzoic acid3-??????????1129-06-2C10H10O2
2-Tetradecanone2-??????2345-27-9C14H28O
Bis(cyclopentadienyl)chromium, min. 95%, sublimed (Chromocene)1271-24-5C10H10Cr10*
4-β-Galactobiose4-??-GALACTOBIOSE2152-98-9C12H22O11
Boc-(R)-3-amino-4-(2-chlorophenyl)-butyric acid218608-93-6C15H20ClNO4
Manganese(II) carbonate hydrate, 90%????34156-69-9CH4MnO4
Ethyl 2-(p-Toluenesulfonyloxy)acetate??(p-????)?????39794-75-7C11H14O5S
2-Nitroisonicotinic acid2-?????????332255-74-0C6H4N2O4
4-(4-Aminophenyl)-2-piperazinone?????,4-(4-?????)-(9CI)223786-04-7C10H13N3O
2,3-Dibromo-2-(trifluoromethyl)-1,1,1-trifluoro-propane2,3-????-2-(????????)-1,1,1-?????????247220-90-2C4H2Br2F6
N-Acetyl-4-bromo-L-phenylalanine 95%(S)-N-???-4-????????171095-12-8C11H12BrNO3
1-benzyl-3-bromo-N,N-dimethyl-1H-1,2,4-triazol-5-amine(SALTDATA: FREE)1215296-00-6C11H13BrN4
2-methyl-2-[(3-thienylmethyl)amino]-1-propanol(SALTDATA: HCl)2-??-2-[(3-?????)???]-1-????892592-48-2C9H15NOS
8-Methoxy-3,4-dihydro-1H-naphthalen-2-one8-???-2-????5309-19-3C11H12O2
6,11-Dihydro-11-oxodibenzo[b,e]oxepin-2-acetic Acid55453-87-7C16H12O4
4-(3-chlorophenyl)-3-methyl-1H-pyrazol-5-amine(SALTDATA: HBr)62538-18-5C10H10ClN3
1-Boc-Piperidin-3-ylpropionic acid3-(2-??????)????-1-?????tert-??????352004-58-1C13H23NO4
8-chloro-[1,2,4]triazolo[4,3-a]pyrazine, 95%8-???-[1,2,4]??????[4,3-A]???68774-77-6C5H3ClN4
4-Methylphthalic anhydride, 98%19438-61-0C9H6O3
1,4-Thioxane15980-15-1C4H8OS
N-(2-AMinoethyl)-N-ethyl-M-toluidine19248-13-6C11H18N2
(2,2,7-trimethyl-3,4-dihydro-2H-chromen-4-yl)amine(SALTDATA: HCl)(2,2,7-????-3,4-????-2H-???-4-?)??(SALTDATA:HCl)112225-65-7C12H17NO
2-Methoxy-4-Methyl-5-nitropyridine6635-90-1C7H8N2O3
1-Chloro-2,4-diMethoxybenzene1-???-2,4-??????7051-13-0C8H9ClO2
3-[(dimethylamino)carbonyl]-1,2,2-trimethylcyclopentanecarboxylic acid(SALTDATA: FREE)91691-00-8C12H21NO3
(8-methylimidazo[1,2-a]pyridin-2-yl)methanol(SALTDATA: FREE)(8-METHYL-IMIDAZO[1,2-A]PYRIDIN-2-YL)-???872362-98-6C9H10N2O
1,4-Difluoro-2-(methylsulfonyl)-benzene1,4-?????-2-(?????)??236739-03-0C7H6F2O2S
N'-Hydroxy-2,2-dimethylpropanimidamideN-?????-2,2-???????????42956-75-2C5H12N2O
7-bromoisoquinolin-3-ol, 95%7-???-3-??????????662139-46-0C9H6BrNO
Gallium(II) chloride, anhydrous (99.999%-Ga) PURATREM13498-12-9Cl4Ga2
4-(Difluoromethoxy)toluene 97%4-(????????)???1583-83-1C8H8F2O
2-Cyanophenyl isothiocyanate2-?????????????81431-98-3C8H4N2S
Allyldimethyl(diisopropylamino)silane106948-24-7C11H25NSi
N-Benzyl-1H-pyrazolo[3,4-d]pyrimidin-4-amineN-??-1H-????[3,4-d]????-4-??58360-86-4C12H11N5
4,6-Dioxo-6-phenylhexanoic acid4,6-???-6-?????114150-57-1C12H12O4
2,2-dimethylmorpholine(SALTDATA: FREE)2,2-???????147688-58-2C6H13NO
5-(chloromethyl)-1-methyl-1H-imidazole(SALTDATA: HCl 0.23H2O)5-(?????)-1-??-1H-????89180-90-5C5H7ClN2
(5-methyl-1,3,4-oxadiazol-2-yl)acetonitrile(SALTDATA: FREE)(5-??-1,3,4-?????-2-?)??????(?????:??)130781-63-4C5H5N3O
2-[(E)-2-(5-bromo-2-thienyl)vinyl]quinolin-8-ol(SALTDATA: FREE)353517-94-9C15H10BrNOS
PentabroMophenol???????608-71-9C6HBr5O
1-AMino-4-hydroxyanthraquinone1-???-4-??????????116-85-8C14H9NO3
2-(4-Chloro-phenyl)-thiazolidine2-(4-?????)?????7738-99-0C9H10ClNS
1-tert-Butyl 3-Methyl Piperazine-1,3-dicarboxylate??4-BOC-????-2-???????129799-08-2C11H20N2O4
3,6-Dihydro-2H-thiopyran-4-ylboronic acid pinacol ester3,6-?????-2H-????-4-???????????862129-81-5C11H19BO2S
Ethyl 4-hydroxy-1,7-dimethyl-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate69407-72-3C13H14N2O4
4-(3,4-Difluorophenyl)-2-methyl-4-oxobutanoic acid191018-57-2C11H10F2O3
(3R,4R)-(+)-Bis(diphenylphosphino)-1-benzylpyrrolidine, min. 98% [catASium?D(R)](+)-(3R,4R)-BIS(DIPHENYLPHOSPHINO)-1-??????99135-95-2C35H33NP2
3-amino-2-methyl-2-butanol(SALTDATA: HCl)3-???-2-??-??-2-?6291-17-4C5H13NO
(Ethylthio)acetic acid(????)????627-04-3C4H8O2S
Dioctyl(maleate)tin16091-18-2C20H36O4Sn
(S)-beta-(3,4-dimethoxyphenyl)alanine(S)-3-???-3-(3,4-???-??)-?????696641-73-3C11H15NO4
3-fluoro-N-(4-iodophenyl)benzamide(SALTDATA: FREE)304882-37-9C13H9FINO
3,9-Bis(3-aMinopropyl)-2,4,8,10-tetraoxaspiro[5.5]undecane3,9-BIS(3-??????)-2,4,8,10-????????[5.5]???21587-74-6C13H26N2O4
1H-Pyrrolo[3,2-b]pyridine-6-carbonitrile1H-???[3,2-B]???-6-?????944937-79-5C8H5N3
2,3-Dihydrobenzo[b]furan-5-sulphonamide2,3-?????-1-????-5-?????112894-47-0C8H9NO3S
Quercetin Hydrate???????849061-97-8C15H10O7
Methylcyclopentadienylmanganese tricarbonyl, min. 97%2-?????????? ????????12108-13-3C9H7MnO35*
2-Bromo-5-methyl-3-nitropyridine23056-46-4C6H5BrN2O2
AG 1478175178-82-2C16H14ClN3O2
1,2-Dioleoyl-3-(pyren-1-yl)decanoyl-rac-Glycerol102807-51-2C65H98O6
5-Chloro-2,3-dimethoxybenzaldehyde5-???-23-??????????9786232-28-2C9H9ClO3
3-Fluoro-2-nitroaniline 98%3-????-2-??????567-63-5C6H5FN2O2
2-(2,4-Dinitrophenyl)cyclohexanone2-(2,4-??????)??????21442-55-7C12H12N2O5
2-Cyclohexylbenzaldehyde2-????????????128323-04-6C13H16O
N-Boc-2-aminomethyl-butane-1,4-diolN-BOC-2-?????-??-1,4-??889942-37-4C10H21NO4
6-Carbethoxy-2,2,6-trimethylcyclohexanone, 97%6-????-2,2,6-???????????7507-68-8C12H20O3
2-Ethylthiophenothiazine2-?????????46815-10-5C14H13NS2
5-Bromo-2-nitrobenzonitrile5-???-2-????????89642-50-2C7H3BrN2O2
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