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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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Formamidine disulfide dihydrochloride, 98%?????????????14807-75-1C2H8Cl2N4S2
Iron(III) oxide, red (Hematite) (99.8%-Fe)?????1317-60-8Fe2O3
Thulium(III) nitrate hexahydrate (99.9%-Tm) (REO)36548-87-5H3NO4Tm
Triethylphosphine(6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedionate)silver(I), min. 98%???????(6,6,7,7,8,8,8-??????-2,2-???-3,5-???????)?(I)165461-74-5C10H10AgF7O2.C6H15P
3-(Dimethylcarbamoyl)-5-nitrobenzeneboronic acid 96%3-(????????)-5-????????874219-44-0C9H11BN2O5
4-allyl-5-[1-(4-fluorophenoxy)ethyl]-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)725217-88-9C13H14FN3OS
N-(6-Hydroxy-pyridin-2-yl)-2,2-dimethyl-propionamideN-(6-????-???-2-YL)-2,2-???-???????824429-50-7C10H14N2O2
(4-Methoxypyridin-2-yl)Methanol(4-METHOXY-PYRIDIN-2-YL)-???16665-38-6C7H9NO2
3-Iodo-1,2,4,5-tetraMethylbenzene2,3,5,6-??????????2100-25-6C10H13I
2,4-Dodecadien-1-ol (Mixture of stereoisoMers)24-?????-1-OL18485-38-6C12H22O
N-(4-chlorophenyl)-2-nitrobenzenamine, 95%N-(4-?????)-2-???????23008-56-2C12H9ClN2O2
Cobalt tetrafluoroborate hexahydrate, 99%15684-35-2B2CoF8H12O6
Bis(cyclopentadienyl)zirconium dichloride, 99% (Zirconocene dichloride)????????1291-32-3C10H10Cl2Zr
1-Tridecanesulfonic acid sodium salt, 98%, for ion-pair chromatography5802-89-1C13H29NaO3S
3-Amino-2,2-dimethyl-1-propanol, 97%3-???-2,2-???-1-????26734-09-8C5H13NO
3,7-Dihydroxy-2-naphthoic Acid83511-07-3C11H8O4
Phenylthiohydantoin-Methionine4370-90-5C12H14N2OS2
N-ethyl-N,N'-diMethyl-1,2-ethanediaMine (SALTDATA: FREE)N-??-N,N'-???-1,2-?????(SALTDATA:??)98279-30-2C6H16N2
Methyl n-Octyl Sulfide??N-??????3698-95-1C9H20S
Di-Mu-chlorobis[5-hydroxy-2-[1-(hydroxyiMino)ethyl]phenyl]palladiuM(II) DiMer419581-64-92C8H8ClNO2Pd
1,6-Dihydro-5-hydroxy-2-[1-Methyl-1-[[benzylcarbaMoyl]aMino]ethyl]-6-oxo-4-pyriMidinecarboxylic Acid4-?????????,1,6-????-5-????-2-[1-??-1-[[(?????)????]???]??]-6-??-,??????519032-08-7C17H19N3O6
3-Amino-pentanoic acid186364-78-3C5H11NO2
6-Methyl-1-indanone24623-20-9C10H10O
3'-Methyl-2,2,2-trifluoroacetophenone1736-06-7C9H7F3O
Corticosterone, 98%50-22-6C21H30O4
2-(trifluoromethyl)pyridin-4-yl-4-boronic acid, 95%2-(????????)???-4-???1093407-58-9C6H5BF3NO2
(2R,2'R)-(-)-2,2'-Bipyrrolidine, 99%(2R,2'R)-2,2'-?????107886-22-6C8H16N2
5-[(methylthio)methyl]-1H-tetrazole(SALTDATA: FREE)5-[(????)??]-1H-????(SALTDATA:FREE)36855-39-7C3H6N4S
4-BroMo-4'-(thioMethyl)benzophenone4-???-4'-(????)????197439-28-4C14H11BrOS
4,4-Dimethylpiperidine hydrochloride4,4-?????????????38646-68-3C7H16ClN
Vinyl Sorbate (stabilized with MEHQ)42739-26-4C8H10O2
Ethyl 4-chloro-3-fluorobenzoylforMate??4-???-3-??????????845790-56-9C10H8ClFO3
n-Octyl Thioglycolate??????N-??????7664-80-4C10H20O2S
N-Benzyl-3,5,6-trifluoropyridin-2-amineN-??-3,5,6-?????????-2-??189281-25-2C12H9F3N2
1,4-Bis(2-carboxyethyl)piperazine1,4-??(2-??????)????5649-49-0C10H18N2O4
N~2~-ethylalaninamide(SALTDATA: HBr)N~2~-????????(SALTDATA:HBr)225229-01-6C5H12N2O
6-AMidino-2-naphthol Methanesulfonate82957-06-0C12H14N2O4S
5-Methylpyridine-2-boronic acid N-phenyldiethanolamine ester, 50-70%, see CofA for exact composition5-?????-2-???N-????????????872054-54-1C16H19BN2O2
2-Methoxy-4-nitro-benzaldehyde2-???-4-?????????136507-15-8C8H7NO4
PotassiuM propa-1,2-dienyltrifluoroborate?????-1,2-?????????????1201899-21-9C3H3BF3K
2,4,4,4-Tetrafluorobut-1-ene 98%2,4,4,4-???????-1-??721946-02-7C4H4F4
3-Amino-5-propylthio-1,2,4-thiadiazole3-???-5-?????-1,2,4-?????60093-13-2C5H9N3S2
p-ToluenesulfonylMethyl ChlorideP-???????????7569-26-8C8H9ClO2S
N-(1,1-dioxidotetrahydro-3-thienyl)-beta-alanine(SALTDATA: FREE)3-(2-??????)-????????????,1,1-?????247109-39-3C7H13NO4S
2,3,4,6-Tetra-O-benzyl-alpha-D-glucopyranosyl N,N,N',N'-TetraMethylphosphorodiaMidate (ca. 20% in Benzene)143520-19-8C38H47N2O7P
N-Ethyl-N-MethylbenzylaMineN-??-N-??????4788-37-8C10H15N
1-Butyl-1-methylpiperidinium bromide, 97%1-??-1-????????????94280-72-5C10H22BrN
Bis(tetramethylcyclopentadienyl)chromium, min. 98%BIS(??????????????)??82066-37-3C18H24Cr
2-(Triphenylphosphoranylidene)acetophenone, 98%(??????)????????859-65-4C26H21OP
3-N-Cbz-amino-2,6-dioxo-piperidine, 97%????,(2,6-???-3-?????)-,????????(9CI)24666-55-5C13H14N2O4
1-(5-methyl-1-propyl-1H-pyrazol-4-yl)ethanone(SALTDATA: FREE)956951-04-5C9H14N2O
2-(2-imino-3-methyl-2,3-dihydro-1H-benzimidazol-1-yl)ethanol(SALTDATA: HCl)109753-47-1C10H13N3O
(5Z)-5-[(5-bromo-2-furyl)methylene]-3-methyl-2-thioxo-1,3-thiazolidin-4-one(SALTDATA: FREE)292024-92-1C9H6BrNO2S2
(4-ethylbenzyl)propylamine(SALTDATA: HCl)869941-99-1C12H19N
3-hydroxy-N-methylpropanamide(SALTDATA: FREE)3-?????-N-????????(SALTDATA:??)6830-81-5C4H9NO2
3,5-Dichloro-1H-indazole, 97%3,5-????(1H)???36760-20-0C7H4Cl2N2
3-Phenylpropyl isocyanide, 96%3-????????????111944-21-9C10H11N
2-(2,4-Dinitrobenzylthio)-1H-benzo[d]imidazole2-(2,4-????????)-1H-??[D]????475977-79-8C14H10N4O4S
2-[2-(2-Chlorophenyl)-4-phenyl-1,3-thiazol-5-yl]-acetic acid23821-79-6C17H12ClNO2S
1-(4-Trimethylsilylphenyl)-piperazine, 98%1-(4-????????)????496808-09-4C13H22N2Si
3-Chloro-5-phenylsulfonyl-1,2,4-thiadiazole3-???-5-?????-1,2,4-?????494763-22-3C8H5ClN2O2S2
4-Amino-4'-fluorodiphenyl ether4-(4-???????)???36160-82-4C12H10FNO
2-Amino-3-(dimethylamino)pyrazine2-???-3-(???????)???89488-74-4C6H10N4
1-(4-Bromo-phenyl)-1H-pyrazole1-(4-?????)-1H-???13788-92-6C9H7BrN2
2-chloro-N,N,5-trimethylpyrimidin-4-amine(SALTDATA: FREE)34171-43-2C7H10ClN3
N-benzyl-N-ethylpiperidine-4-carboxamide(SALTDATA: FREE)N-??-N-??????-4-???????429639-61-2C15H22N2O
N-(2-bromophenyl)-4-chloro-3-nitrobenzamide(SALTDATA: FREE)N-(2-?????)-4-???-3-????????349619-73-4C13H8BrClN2O3
2-Aminobenzylamine dihydrochlorideO-???????2HCL29483-71-4C7H12Cl2N2
spiro-[3.3]-Heptane-2,6-dicarboxylic acid fecht's acid???[3.3]??-2,6-??????3057-91-8C9H12O4
2-Amino-5-(trifluoromethyl)nicotinic acid2-???-5-(????????)????944900-39-4C7H5F3N2O2
5-Methoxyindole-3-butyric acid4-(5-???-1H-??-3-?)-????83696-90-6C13H15NO3
2-(chloromethyl)-5-methoxy-4H-pyran-4-one(SALTDATA: FREE)2-(?????)-5-???-4H-??-4-?(SALTDATA:FREE)40838-34-4C7H7ClO3
S-Ethyl Trifluorothioacetate [Trifluoroacetylating Agent for Peptides Research]S-?? ?????? ?? ?????383-64-2C4H5F3OS
2-(1-azepanylcarbonyl)aniline(SALTDATA: FREE)(2-AMINOPHENYL)(1-AZEPANYL)???159180-54-8C13H18N2O
1-Chloroanthraquinone, 98%1-???-9,10-?????82-44-0C14H7ClO2
3,3,3-Trifluoropropionyl chloride, 97%3,3,3-????????????????41463-83-6C3H2ClF3O
Strontium titanate, 99+%?? ???? ???12060-59-2O3SrTi
Bis(4-hydroxy-3-Methylphenyl) Sulfide24197-34-0C14H14O2S
Morpholin-4-yl(phenyl)acetonitrile??-(4-?????)????????15190-10-0C12H14N2O
DL--beta-(m-tolyl)alanine68208-17-3C10H13NO2
3-(Acetamidomethyl)pyridine3-(????????)???22977-34-0C8H10N2O
3,5-Di-O-(p-toluyl)-2-deoxy-D-ribofuranosyl chloride, 90%4330-21-6C21H21ClO5
Fmoc-β-HoAla-OH193954-26-6C19H19NO4
5-Chloro-2-(trifluoroMethyl)benzaMide5-???-2-(????????)????654-94-4C8H5ClF3NO
4-[2-(2-pyridinyl)ethyl]aniline(SALTDATA: 2HCl)[4-(2-PYRIDIN-2-YLEETHYL)PHENYL]????????????6318-71-4C13H14N2
3-anilinopropanohydrazide(SALTDATA: FREE)4916-20-5C9H13N3O
(1,2-dimethylpropyl)propylamine(SALTDATA: HCl)39190-94-8C8H19N
2,3,3-TriMethylindolenine-5-sulfonic Acid, PotassiuM Salt184351-56-2C11H14KNO3S
2,6-Dimethoxy-3,7-bis(methyltelluro)-naphthalene2,6-DIMETHOXY-3,7-BIS(METHYLTELLURO)-????136559-38-1C14H16O2Te2
1,1-Dichloro-2,2-bis(4-hydroxyphenyl)ethylene???? C14868-03-2C14H10Cl2O2
PotassiuM 1H-pyrazole-5-trifluoroborate??1H-???-5-??????????1013640-87-3C3H3BF3KN2
3-Ethoxy-2-(methylsulfonyl)acrylonitrile3-???-2-(?????)???????104007-26-3C6H9NO3S
DiMethyl DL-GlutaMate Hydrochloride13515-99-6C7H14ClNO4
4-[(tert-Butyldimethylsilyl)oxy]benzaldehyde, 97%120743-99-9C13H20O2Si
(R)-(-)-(p-Toluenesulfinyl)ferrocene, min. 98%(R)-????p-???????130225-27-3C11H9OS.C5H5.Fe
Methyl phenyl cyanocarbonimidodithioate??????????????????152381-91-4C9H8N2S2
3-Methyl-2-quinoxalinecarboxaldehyde3-??-2-??????????25519-55-5C10H8N2O
4-Methyl-3-(piperidine-1-sulfonyl)benzoic acid4-??-3-(????-1-???)???300383-07-7C13H17NO4S
6-bromo-9-methyl-2,3,4,9-tetrahydro-1H-carbazol-1-one(SALTDATA: FREE)59514-19-1C13H12BrNO
2-amino-N-(2,3-dimethylphenyl)benzamide(SALTDATA: FREE)2-???-N-(2,3-?????)????35703-71-0C15H16N2O
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