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

?? ?:J & K SCIENTIFIC LTD.
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???:jkinfo@jkchemical.com
??:China
URL: https://www.jkchemical.com
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Imidazo[1,2-a]pyridin-6-ylmethylamine , 97%????[1,2-A]???-6-?????132213-03-7C8H9N3
2-Chloro-3-hydrazinopyrazine3-???-2-?????-1,2-??????????63286-28-2C4H5ClN4
6-(4-Morpholinyl)-2-pyrazinecarboxylic acid6-???-4-????-2-?????40262-73-5C9H11N3O3
2-Boc-3-(tetrahydropyran-4-yl)-DL-alanine182287-51-0C13H23NO5
Oxythiamine Hydrochloride614-05-1C12H17Cl2N3O2S
3'-Acetamidoacetophenone, 98%7463-31-2C10H11NO2
1,3-Diiodopropane, 99%, stabilized with copper627-31-6C3H6I2
Tetrabutylammonium perchlorate, min. 98%1923-70-2C16H36ClNO4
1-Hexylpyridinium chloride, 97%6220-15-1C11H18ClN
3-Bromo-5-fluoropyridine, 98%407-20-5C5H3BrFN
(Trifluoromethoxy)benzene, 99%???????????456-55-3C7H5F3O
2,3-Difluorophenol, 99%6418-38-8C6H4F2O
Butyl glycidyl ether, 98%n-?? ???? ???2426-08-6C7H14O2
6-Hydroxy-2-naphthoic acid, 98%6-????-2-????16712-64-4C11H8O3
N-(4-Bromobutyl)phthalimide, 98%N-(4-?????)?????5394-18-3C12H12BrNO2
2-(4-nitrophenoxy)propanohydrazide(SALTDATA: FREE)2-(4-??????)??????????203741-61-1C9H11N3O4
Fmoc-6-aminohexanoic acid, 99%FMOC-6-????????88574-06-5C21H23NO4
{[6-(acetylamino)-1,3-benzothiazol-2-yl]thio}acetic acid(SALTDATA: FREE)(6-??????-?????-2-????)-????436088-91-4C11H10N2O3S2
3-Chloro-4-methoxybenzylamine hydrochloride41965-95-1C8H11Cl2NO
1-(3-Thiophen-3-yl-benzoyl)-piperidin-4-one1-(3-???-3-?-???)-????-4-?886363-42-4C16H15NO2S
1-Methyl-1H-indazole-4-carboxylic acid1-?????-4-?????1071433-05-0C9H8N2O2
4-(3-fluorophenyl)-1H-pyrazol-3-amine(SALTDATA: FREE)301373-68-2C9H8FN3
2-Chloro-5-iodonicotinic acid59782-86-4C6H3ClINO2
2-(Bromomethyl)-4-(trifluoromethoxy)benzeneboronic acid, pinacol ester 95%957066-13-6C14H17BBrF3O3
2-Chloroethyl 4-Chlorophenyl Sulfone16191-84-7C8H8Cl2O2S
Acetaldehyde ethyl propargyl acetal, 98%3-(1-??????)-1-???18669-04-0C7H12O2
1-(2-Bromo-5-trifluoromethylphenyl)-2-thiourea1-(2-???-5-??????????)-2-?????206559-47-9C8H6BrF3N2S
1-(1-piperidin-1-ylcyclopentyl)methanamine(SALTDATA: FREE)(1-????-1-??????)????933701-05-4C11H22N2
4-Methyl-3-sulfamoylbenzoic acid4-??-3-???????20532-05-2C8H9NO4S
2-(4-aminophenyl)pyridin-3-ol(SALTDATA: 2HCl)2-(4-?????)???-3-?(?????:2HCl)30820-91-8C11H10N2O
4-(hydroxymethyl)-1-isopropylpyrrolidin-2-one(SALTDATA: 0.1NaCl)59857-88-4C8H15NO2
4-Ethyl-5-(4-fluorophenyl)-4H-1,2,4-triazole-3-thiol29552-52-1C10H10FN3S
Phenolphthalein DisodiuM Salt (Water soluble)518-51-4C20H15NaO4
2,2-Bis(trifluoromethyl)-1,3-dioxolane 99%2,2-BIS(????????)-1,3-????1765-26-0C5H4F6O2
2,3-DibroMopropionaMide15102-42-8C3H5Br2NO
(E)-5-(2-Carboxyvinyl)-2,4-dimethoxypyrimidine, 97%119923-27-2C9H10N2O4
3-(Trifluoromethyl)phenol, 98%??????????????98-17-9C7H5F3O
DiMethyl Hexafluoroglutarate???????????????1513-62-8C7H6F6O4
ethyl N-(5-formylpyrimidin-2-yl)-N-methylglycinate(SALTDATA: FREE)???C63638915921-80-1C10H13N3O3
(5-Bromo-2-chloro-3-pyridinyl)methanol(5-BROMO-2-CHLORO-PYRIDIN-3-YL)-???742100-75-0C6H5BrClNO
2'-methylbiphenyl-2-carboxylic acid(SALTDATA: FREE)2'-??-[1,1'-???]-2-?????7111-77-5C14H12O2
6-Chloro-3,4-dihydro-2H-1,4-benzoxazine6-CHLORO-3,4-DIHYDRO-2H-BENZO[1,4]??????70558-11-1C8H8ClNO
3-Fluoro-2-MethylphenylMagnesiuM chloride480424-74-6C6H3FCH3MgCl
Ethyl 4,4-difluorocyclohexanecarboxylate??4,4-??????????????????178312-47-5C9H14F2O2
NonadecanophenoneN-???????103044-68-4C25H42O
3-benzyl-4-oxo-10-oxa-3-azatricyclo[5.2.1.0~1,5~]dec-8-ene-6-carboxylic acid(SALTDATA: FREE)1212092-04-0C16H15NO4
4-(Acetylthio)benzaldehyde4-(S-?????)??????28130-89-4C9H8O2S
(4-oxocyclohexyl)acetic acid(SALTDATA: FREE)(4-OXOCYCLOHEXYL)????52263-23-7C8H12O3
[5-(2-Chloro-acetyl)-10,11-dihydro-5H-dibenzo-[b,f]azepin-3-yl]-carbamic acid methyl ester[5-(2-CHLORO-ACETYL)-10,11-DIHYDRO-5H-DIBENZO[B,F]AZEPIN-3-YL]-??????????134068-43-2C18H17ClN2O3
3-Amino-3-(3'-Cbz)piperidine-propionic acid ethylester3-???-3-(3'-CBZ)????-???????????886362-35-2C18H26N2O4
rac 2-(Piperazin-1-yl)-propionic acid x 2 H2O, 98%2-(????-1-?)?????????824414-03-1C7H16N2O3
4-Amidinopyridine hydrochloride, 98%42518-06-9C6H8ClN3
1,2-Bis[3-(trifluoromethyl)phenyl]-1,1,2,2-tetrafluoroethane 97%1,2-BIS[3-(????????)??]-1,1,2,2-?????????97287172-67-2C16H8F10
2-(4-Quinolyl)malondialdehyde sesquihydrate2-(4-???)?????????????????40070-86-8C12H9NO2
4-amino-N,N-diethyl-3-methylbenzamide(SALTDATA: FREE)4-???-N,N-???-3-???????926229-45-0C12H18N2O
L-(+)-Rhamnose Monohydrate3615-41-6C6H12O5
Cyclopentylmagnesium chloride, 2.0 M solution in diethyl ether, J&KSeal32916-51-1C5H9ClMg
5,5'-Dimethyl-2,2'-dipyridyl, 98%1762-34-1C12H12N2
1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid, 97%1-??-3-??-1H-???-5-?????50920-65-5C7H10N2O2
Chlorocarbonylsulfenyl chloride??????????????2757-23-5CCl2OS
3-Hydroxy-2-naphthoic Acid Hydrazide3-????-2-???? ??????5341-58-2C11H10N2O2
2-chloro-6-fluoro-4-methylquinoline(SALTDATA: FREE)2-???-6-????-4-?????18529-12-9C10H7ClFN
3-Bromo-5-(chloromethyl)pyridine hydrochloride, 95%39741-46-3C6H5BrClN.ClH
4-Methoxy-pyridine-2-carboxylic acid amide4-???-???-2-????????90151-10-3C7H8N2O2
tert-Butyl N-(2-thienyl)carbamate , 97%56267-50-6C9H13NO2S
Methyl 3-amino-4-(phenylsulphonyl)thiophene-2-carboxylate??3-???-4-(?????)???-2-???????175201-55-5C12H11NO4S2
1-Methyl-3-phenyl-1H-pyrazole-5-carbaldehyde, 97%1-??-3-??-1H-???-5-??????864068-96-2C11H10N2O
2-Chloro-2-(trifluoromethyl)perfluoropentane 97%2-???-2-(????????)???????67437-97-2C6ClF13
2-(4-Bromo-phenyl)-4,5,6,7-tetrahydro-oxazolo[5,4-c]pyridine2-(4-???-??)-4,5,6,7-???????-????[5,4-C]???885272-79-7C12H11BrN2O
5-Bromo-2-ethoxybenzonitrile5-???-2-???-?????279263-03-5C9H8BrNO
2-Phenyl-2-imidazoline, 98%2-??-2-?????936-49-2C9H10N2
N-Methyl-1-naphthylaMine HydrochlorideN-??-1-????????4643-36-1C11H12ClN
3-Amino-3-(2-pyridinyl)acrylonitrile3-???-3-(2-????)???????55330-52-4C8H7N3
2-Bromobenzamide, 98%4001-73-4C7H6BrNO
1-Bromo-4-vinylbenzene, 96%, stabilized with 200 ppm TBC2039-82-9C8H7Br
Triphenylphosphine HydrobroMide6399-81-1C18H16BrP
4-Cyano-benzamide3034-34-2C8H6N2O
N-(Diphenylmethylene)glycine ethyl ester, 98%69555-14-2C17H17NO2
4-(2,4-Dimethyl-phenyl)-5-methyl-thiazol-2-ylamine438227-56-6C12H14N2S
Ethyl 2-amino-5-ethylthiophene-3-carboxylate, 98%??2-???-5-?????-3-???????4507-13-5C9H13NO2S
Bis(ethylcyclopentadienyl)nickel, min. 98%??(??????????)??31886-51-8C14H18Ni10*
L-Bornyl acetate, 95%???????5655-61-8C12H20O2
Ethyl 2-(trifluoromethylsulfonyloxy)-1-cyclohexene-1-carboxylate??2-(?????????????)-1-??????-1-???????122135-83-5C10H13F3O5S
4'-Chloro-2,2':6',2''-terpyridine, 99%128143-89-5C15H10ClN3
Perfluoro-n-butane???????355-25-9C4F10
1-(2-furylmethyl)-2,5-dimethyl-1H-pyrrole-3-carboxylic acid(SALTDATA: FREE)854357-51-0C12H13NO3
1,2,3,4-Tetrahydro-quinolin-8-ol6640-50-2C9H11NO
(1R,2R)-2-(ethylamino)cyclohexanol(SALTDATA: FREE)(1R,2R)-2-(?????)???????218915-49-2C8H17NO
4-(Chloromethyl)-2,5-dimethyl-1,3-oxazole , 97%4-(?????)-2,5-???-1,3-???777823-76-4C6H8ClNO
N-Boc-4'-tetrahydropyranylglycineTERT-BUTOXYCARBONYLAMINO-(TETRAHYDRO-PYRAN-4-YL)-????182287-49-6C12H21NO5
tert-butyl Methyl[2-(MethylaMino)ethyl]carbaMate (SALTDATA: FREE)tert-????(2-(?????)??)?????112257-19-9C9H20N2O2
Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)bismuth(III), min. 98% (99.9%-Bi) [Bi(TMHD)3]142617-53-6C33H57BiO6
Boc-(S)-3-amino-4-(2-fluorophenyl)-butyric acid218608-99-2C15H20FNO4
2-Methylamino-3-nitro-5-(trifluoromethyl)pyridine175277-21-1C7H6F3N3O2
5-Chloromethyl-3-(4-nitro-phenyl)-[1,2,4]oxadiazole5-?????-3-(4-???-??)-[1,2,4]?????57611-19-5C9H6ClN3O3
(2-propoxyphenyl)methanol(SALTDATA: FREE)(2-??????)???112230-06-5C10H14O2
Hexylcyclohexane4292-75-5C12H24
4,4'-Diamino-2,2'-stilbenedisulfonic acid, 95%4,4'-???????-2-,2'????81-11-8C14H14N2O6S2
Bis(cyclopentadienyl)ruthenium, 99% (99.9%-Ru) (Ruthenocene)1287-13-4C10H10Ru10*
3-(Benzylamino)-5-nitrobenzeneboronic acid hydrochloride 95%3-(?????)-5-???????????95913835-78-6C13H14BClN2O4
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