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

?? ?:J & K SCIENTIFIC LTD.
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???:jkinfo@jkchemical.com
??:China
URL: www.jkchemical.com
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Dotarizine????84625-59-2C29H34N2O2
4-?Methyl-?2-?oxo-?2H-?1-?benzopyran-?7-?yl-β-?D-?glucopyranosiduronic Acid Methyl Ester 2,3,4-Triacetate4-??-2-??-2H-1-????-7-?-β-D-????????????????2,3,4-???????101014-65-7C23H24O12
ethyl 5-oxo-5-[3-(pyrrolidinoMethyl)phenyl]valerate898771-04-5C18H25NO3
1-O-Acetyl-2,3,5-tri-O-benzoyl-α,β-D-ribofuranose1-O-???-2,3,5-??-O-???-D-??????14215-97-5C28H24O9
Benzyl 5-AMino-5-deoxy-2,3-O-isopropyl-α-D-Mannofuranoside??5-???-5-???-2,3-O-???????-??-D-????????91364-19-1C16H23NO5
O6-Benzyl-2'-deoxyguanosineO(6)-??-2'-???????129732-90-7C17H19N5O4
2-[2,6-Dinitro-4-(trifluoroMethyl)phenyl]-N-(4-fluorophenyl)hydrazinecarbothioaMide??-2602454453-49-7C14H9F4N5O4S
1-(DiphenylMethyl)-4-[(1RS,3E)-4-phenyl-1-[(E)-2-phenylethenyl)-3-buten-1-yl]piperazine1199751-98-8C35H36N2
4-(4-Chlorophenyl)cyclohexanone??????,4-(4-?????)-14472-80-1C12H13ClO
(3R,5R)-7-(2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbaMoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic acid???????134523-00-5C33H35FN2O5
1-cis-2-cis-3-TriMethylcyclopentane(1α,2α,3α)-1,2,3-?????????2613-69-6C8H16
Ofloxacin N-Oxide Acetic Acid Salt (Mixture of DiastereoMers)OFLOXACINN-OXIDE(??????????)104721-52-0C18H20FN3O5
3α,5α-Tetrahydronorethisterone3α,5α-??????????????16392-60-2C20H30O2
4'-BroMo-3'-fluoro-2-piperidinoMethyl benzophenone898773-39-2C19H19BrFNO
3,5-dichloropyrazine-2-carbonitrile, 95%3,5-???????-2-??????313339-92-3C5HCl2N3
cis-8,11,14-Eicosatrienoic Acid1783-84-2C20H34O2
D-Glucose-5-13CD-[5-13C]????120388-24-1C6H12O6
4-Cyanobenzylzinc broMide4-????????????135579-87-2C8H6BrNZn
N-Cyano-1-chloroforMaMidineN-???-1-???????25816-30-2C2H2ClN3
Hydroxyacetic Acid Hydrazide???????????????3530-14-1C2H6N2O2
ChaetoMellic Acid B AnhydrideChaetoMelicAcidB???84306-79-6C21H34O3
Allyl 2-(AcetylaMino)-2-deoxy-4,6-O-(phenylMethylene)-β-D-glucopyranoside.??.-D-?????????,2-????2-(??????)-2-???-4,6-O-(?????)-65947-37-7C18H23NO6
2-Chloro-4-ethoxy-6-(trifluoroMethyl)pyriMidine114963-95-0C7H6ClF3N2O
2-Debenzoyl-7,10-bis[O-(triethylsilyl)]-10-deacetyl-13-O-triMethylsilyl Baccatin III159383-94-5C37H68O9Si3
PotassiuM Thiocyanate-13C,15N143673-61-4CKNS
Cetirizine AMide Dihydrochloride???????????200707-85-3C21H28Cl3N3O2
Gb3-beta-MP898826-64-7C25H38O17
4-(AMinoMethyl)-1-phenethyl-4-piperidinol4-(?????)-1-???????-4-?23808-42-6C14H22N2O
2-(BroMoMethyl)-1-chloro-3-nitrobenzene2-(?????)-1-???-3-?????56433-01-3C7H5BrClNO2
2-Arachidonyl Glycerol (90%)53847-30-6C23H38O4
β-Cyclogeraniol2,6,6-?????????-1-???472-20-8C10H18O
25-Hydroxy Cholesterol25-??????????2140-46-7C27H46O2
6-AMino-1-Methyl-5-(MethylaMino)uracil6-???-1-??-5-(?????)???55441-70-8C6H10N4O2
2,6,6-TriMethylcyclohex-2-ene-1-ylcarbonitrile2,6,6-?????????-2-?-1-???????57524-14-8C10H15N
(EthyldiMethylaMMonio)(triMethylaMMonio)dihydroborate bis(trifluoroMethylsulfonyl)aMide(?????????)(????????)???????????(???????????)???1204485-05-1C9H22BF6N3O4S2
2-(AcetylaMino)-2-deoxy-3-O-benzoyl-4,6-O-benzylidene-D-galactopyranose TrichloroacetiMidate2-(??????)-2-???-3-O-???-4,6-O-????-D-????????????????????390400-47-2C24H23Cl3N2O7
IsodesMosine Chloride?????????10059-18-4C24H40ClN5O8
Licofelone156897-06-2C23H22ClNO2
3-Hydroxy-2-Methyl Isoborneol3-????-2-????????214074-24-5C11H20O2
3-[2-[4-[(Z)-(4-Fluoro-2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl)phenyl](hydroxyiMino)Methyl]piperidin-1-yl]ethyl]-2-Methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyriMidin-4-one (Risperidone IM3-[2-[4-[(Z)-(4-Fluoro-2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl)phenyl](hydroxyiMino)Methyl]piperidin-1-yl]ethyl]-2-Methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyriMidin-4-one(????????)1346606-24-3C35H40F2N6O3
Neophytadiene, 80%7,11,15-????-3-????-????-1-?504-96-1C20H38
N-FMoc-5-fluoro-L-tryptophanFMoc-5-????-L-????908846-88-8C26H21FN2O4
Diethyl 3-BroMopropylMalonate???3-???????????10149-21-0C10H17BrO4
1,5-DiMethyl-4-hexenyl 4-Methylbenzenesulfonate1,5-DiMethyl-4-hexenyl 4-Methylbenzenesulfonate4582-61-0C15H22O3S
(4-AMino-3-nitrophenyl)(4-Methylphenyl)-Methanone(4-???-3-?????)(4-????)-???31431-28-4C14H12N2O3
N-Boc-desMethoxy Gatifloxacin1089339-61-6C23H28FN3O5
5-Chloro-6-Methyl-4-nitro-2,1,3-benzoselenadiazole5-???-6-??-4-???-2,1,3-????????147021-84-9C7H4ClN3O2Se
RaMiprilat?????87269-97-4C21H28N2O5
1-(2,2-Diphenyl-1,3-benzodioxol-5-yl)-2-iodoethanone917379-97-6C21H15IO3
3-(4-Acetoxyphenyl)-2-Methyl-1-propene3-(4-??????)-2-??-1-???890097-89-9C12H14O2
Vioxx162011-90-7C17H14O4S
7-Methylguanine578-76-7C6H7N5O
2,3,6-TriaMinopyridine Dihydrochloride2,3,6-????????????20284-90-6C5H10Cl2N4
Bodipy Isothiocyanate???????????1349031-04-4C20H18BF2N3S
Methyl 6-[Methyl-2,3,4-tri-O-acetyl-β-D-glucuronato]Mycophenolate??6-[??-2,3,4-??-O-???-D-??????]????????39938-00-6C31H38O15
2-AcetaMido-4-O-(2-acetaMido-2-deoxy-β-D-glucopyranosyl)-1,6-di-O-N-acetyl-α-D-MuraMic Acid475502-13-7C29H42N2O18
N-Cbz-O-Bzl-L-Glu-S-Bzl-L-Cys-Gly-OBzl97924-38-4C39H41N3O8S
N-Boc HistaMine Discontinued4-(2-AMINO-ETHYL)-IMIDAZOLE-1-CARBOXYLICACIDTERT-??????186700-06-1C10H17N3O2
PF-50810901312473-63-4C18H21FN2O6S
3-Methylbenz[a]anthracene3-????(A)????2498-75-1C19H14
S-Benzyl-L-cysteine SulfoneS-BENZYL-L-??????25644-88-6C10H13NO4S
3-TrifluoroMethyl-5-(p-tolyl)-1H-pyrazole5-(????????)-3-P-TOLYL-1H-???219986-64-8C11H9F3N2
4-(Methylthio)butyl azide4-(????)?????57775-01-6C5H11N3S
rac Efavirenz177530-93-7C14H9ClF3NO2
3,4'-dibroMobenzophenone3,4'-????????83699-51-8C13H8Br2O
3,3-diMethyl-3',4',5'-trifluorobutyrophenone898765-00-9C12H13F3O
4-DesMethyl Istradefylline4-???????????160434-48-0C19H22N4O4
2-Thioxo-3-thiazolidinecarboxylic Acid Benzyl Ester2-???-3-????????????????74058-68-7C11H11NO2S2
(3aS,4S,6S,7aR)-2-Butylhexahydro-3a,5,5-triMethyl-4,6-Methano-1,3,2-benzodioxaborole85167-10-8C14H25BO2
4'-Hydroxy Warfarin-d44'-????????-d494820-63-0C19H16O5
MonoMethyl Phthalate-d4 O-β-D-Glucuronide?????????24539-59-1C17H24O4
1-Methyl-5-[[(5-Methyl-4-phenyl-1H-pyrazol-3-yl)aMino]carbonyl]-1H-pyrazole-4-carboxylic Acid1195900-49-2C16H15N5O3
MetforMin-d6, Hydrochloride1185166-01-1C4H6ClD6N5
(4-Fluorophenyl)(9H-purin-6-yl)aMineN-(4-??????)-7H-??-6-??73663-95-3C11H8FN5
Azaperone-d41173021-72-1C19H18D4FN3O
4,6-O-Benzylidene-N-(tert-butoxycarbonyl)-1,5-iMino-D-glucitol4,6-O-????-N-Boc-1,5-???-D-????133697-16-2C18H25NO6
6-?β-?Hydroxycortisol Sulfate6-β-????????????53587-06-7C21H30O9S
Azelastine-13C,d3 N-Oxide (Mixture of DiastereoMers)Azelastine-13C,d3N-Oxide(DiastereoMers????)1346602-76-3C22H24ClN3O2
N-(2-Hydroxyethyl)tricosanaMideN-(2-??????)???????171022-15-4C25H51NO2
N-Nitroso-D,L-pipecolic Acid4515-18-8C6H10N2O3
1-Triacontylazide1-????????1346603-49-3C30H61N3
Di-n-heptyl Phthalate-d4DI-N-???????-3,4,5,6-D4358731-41-6C22H34O4
cis-3-[2-(2-chlorophenyl)-2-oxoethyl]cyclohexane-1-carboxylic acid735275-21-5C15H17ClO3
Topotecan-d6 Carboxylic Acid SodiuM Salt????-d6?????????1263470-27-4C23H25N3O6
Cyclopenta[fg]tetracene-1,2-dione?????[fg]????-1,2-??1334510-66-5C20H10O2
(3S,6R,7S,8S,12Z,15S,16E)-3,7,15-Tris-{[tert-butyl(diMethyl)silyl]oxy}-1-hydroxy-4,4,6,8,12,16-hexaMethyl-17-(2-Methyl-1,3-thiazol-4-yl)heptadeca-12,16-dien-5-one193146-53-1C45H87NO5SSi3
SIDAGSIDAG??308127-47-1C49H69N4NaO18S2
O,O-DiMethyl Phosphorothionate AMMoniuM Salt40633-14-5C2H10NO3PS
2-CyclohexylethylMagnesiuM broMide2-????????????????55766-17-1C8H15BrMg
2,3-Dihydro-5-Methoxy-6-(MethoxyMethoxy)-2,3-?????-5-???-6-(??????)-146827-11-4C12H14O4
1,1,1-Trifluoro-2-Methyl-1,1,1-??????-2-??-174886-04-5C4H9ClF3N
Jesaconitine Discontinued?????16298-90-1C35H49NO12
PiroMidic Acid?????19562-30-2C14H16N4O3
Dibenzyl Hydrogen Phosphate538-60-3C14H15O3P
3-Ethoxycarbonyl-3'-nitrobenzophenone3-??????-3'-???????890098-29-0C16H13NO5
(5-BroMopyridin-2-yl)[2-(tert-butyldiMethylsilyloxy)ethyl]MethylaMine(5-??????-2-?)[2-(tert-?????????)??]????326496-01-9C14H25BrN2OSi
2-[8-(1,4-dioxa-8-azaspiro[4.5]decyl)Methyl]-3'-Methyl benzophenone898755-74-3C22H25NO3
3-[2-(5-Cyano-1,2-dihydro-6-hydroxy-4-Methyl-2-oxo-3-pyridinyl)diazenyl]-4-Methoxybenzenesulfonic Acid85539-36-2C14H12N4O6S
3-[[[(2R,4R)-4-Mercapto-2-pyrrolidinyl]carbonyl]aMino]benzoic Acid791582-43-9C12H14N2O3S
5-BroMo-1,2,3,4-tetrahydrocarbazole78863-98-6C12H12BrN
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