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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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Diacetyl 2,4-Dinitrophenylhydrazone????2,4-??????????2256-00-0C10H10N4O5
N-Boc-4-Methylene-L-proline Methyl Ester84348-39-0C12H19NO4
6-bromo-5-chloropyridine-2-carboxylic acid, 95%6-BroMo-5-???-???-2-?????1214328-42-3C6H3BrClNO2
5-chloro-[1,2,4]triazolo[4,3-a]pyrazine, 95%63744-34-3C5H3ClN4
5-Methylisoxazole-3-carboxylic-d4 Acid5-??????-3-?????-d4?1267623-84-6C5H5NO3
N-(5-Chloro-2-pyridinyl)-2-pyrazinecarboxaMide (Zopiclone IMpurity)349125-10-6C10H7ClN4O
1-Hydroxychlorodiene HeMisuccinate1-?????????????????144095-27-2C14H10Cl6O4
2-Methyl-3-[(4-trifluoroMethyl)phenyl]-1-propene2-??-3-[(4-????????)??]-1-???53482-96-5C11H11F3
HarMine-d3??-d31216704-96-9C13H9D3N2O
6-Chloro-1H-pyrazolo[4,3-c]pyridine6-???-1H-????[4,3-c]???1206979-33-0C6H4ClN3
Bis(1,4-diazabicyclo[2.2.2]octane)tetra(copper(I) iodide) (CuI)4(DABCO)2??(1,4-???????[2.2.2]??)???(??(I)?????)(CuI)4(DABCO)2928170-42-7C12H28Cu4I4N4
5-(1,3-Dioxolan-2-yl)-2-(2-Iodobenzoyl)thiophene898778-10-4C14H11IO3S
Chlorproethazine Hydrochloride4611-02-3C19H24Cl2N2S
Rotigotine Hydrochloride125572-93-2C19H26ClNOS
ent-Montelukast SodiuM Salt190078-45-6C35H37ClNNaO3S
1H-IMidazole-5-propanoic Acid Hydrazide1H-????-4-????,?????(9CI)113872-16-5C6H10N4O
5-ThioMorpholinosulfonyl Isatin5-?????????????1144853-48-4C12H12N2O4S2
2-BroMo-2'-carboethoxybenzophenone2-???-2'-?????????746651-81-0C16H13BrO3
Thiovardenafil???????912576-24-0C23H32N6O3S2
P-[[4-[(1-Oxodecyl)aMino]phenyl]Methyl]phosphonic Acid CyclohexylaMine SaltP-[[4-[(1-????)aMino]??]??]????????????1333318-20-9C23H41N2O4P
9-(BroMoMethyl)nonadecane9-(?????)????69620-20-8C20H41Br
Des-[4,5-O-(1-Methylethylidene)] TopiraMate??-[4,5-O-(1-??????)]??????205249-06-5C9H17NO6S
(S)-3-Chloropropane-1,2-diyl Ditetradecanoate1051390-02-3C31H59ClO4
ChlorphenoxaMine Hydrochloride??????????(200MG)562-09-4C18H22ClNO
2-[4-(1,1-Dicarboethoxy)benzyl]-2-Methyl Malonic Acid2-[4-(1,1-???????)??]-2-?????189287-73-8C15H16O8
Carbarsone121-59-5C7H9AsN2O4
PotassiuM (1-Boc-4-piperidinyloxy)Methyltrifluoroborate1364936-24-2C11H19BF3KNO3
N-MethylbenzylaMine HydrochlorideN-?????????13426-94-3C8H12ClN
Piretanide-d4 (Major)????-d41246816-90-9C17H18N2O5S
Mevastatin Hydroxy Acid t-ButylaMine Salt???????????t-?????262285-80-3C27H47NO6
3-[(4R)-2,2-DiMethyl-1,3-dioxolan-4-yl]-2-propenoic Acid Ethyl Ester3-[(4R)-2,2-???-1,3-????-4-?]-2-??????????917877-01-1C10H16O4
Hydroxyisovaleroyl-d3 CarnitineHydroxyisovaleroyl-d3????1058636-00-2C12H23NO5
2,3,4,6-Tetra-O-benzyl-D-galactopyranose TrichloroacetiMidate2,3,4,6-???-O-??-D-?????????????????????132748-02-8C36H36Cl3NO6
Arotinolol68377-92-4C15H21N3O2S3
BetaMethasone 17-Benzoate22298-29-9C35H41FO8
EtiracetaM Carboxylic Acid Ethyl Ester2-(2-OXO-????-1-YL)-??????????86815-10-3C10H17NO3
4-(3-Pyridinyl)-2-pyrrolidinone4-(3-????)-2-?????55656-99-0C9H10N2O
N6-[(2R,5S)-5-AMino-5-carboxy-2-hydroxypentyl]-5-oxo-L-lysine (IMpurity)75658-82-1C12H23N3O6
Crocetin????27876-94-4C20H24O4
2'-O-(tert-ButyldiMethylsilyl)-3'-O-(phenoxythioncarbonyl)-5'-O-trityluridine2′-O-(TERT-???????)-3′-O-(?????????)-5′-O-??????130860-11-6C41H44N2O7SSi
CloMacran5310-55-4C18H21ClN2
Saracatinib379231-04-6C27H32ClN5O5
N-(4-AMinobenzoyl-d4)-L-glutaMic AcidN-(4-??????-d4)-L-????461426-34-6C12H10D4N2O5
N10-Trifluoroacetylpteroic Acid37793-53-6C16H11F3N6O4
Cinnarizine????298-57-7C26H28N2
β-Pseudouridine??????1445-07-4C9H12N2O6
4-(2,4-DiMethylphenyl)-1-butene4-(2,4-??????)-1-??190974-78-8C12H16
(+)-(3R)-3-{[tert-Butyl(diMethyl)silyl]oxy}dihydrofuran-2(3H)-one669000-31-1C10H20O3Si
N-Benzyloxycarbonyl-4-[(3R)-3-aMino-1-oxo-4-(hydroxy)butyl]Morpholine870812-92-3C16H22N2O5
DiMethyl (4S)-4-Methyl-(2-oxooctyl)phosphonate-d3???(4S)-4-??-(2-????)??????-d31329642-51-4C11H23O4P
3',2,2-TriMethylpropiophenone3′,2,2-??????????50390-49-3C12H16O
17-Hydroxy-11β-Methyl-19-norprogesterone????????????25092-42-6C21H30O3
4-O-Des(difluoroMethyl) RofluMilast475271-62-6C16H14Cl2N2O3
2-BroMo-6-vinylpyridine2-BroMo-6-?????931582-13-7C7H6BrN
p-BroMophenacyl Lactatep-??????????99853-28-8C11H11BrO4
Oxadixyl77732-09-3C14H18N2O4
4'-Methylbutyrophenone4-???????4160-52-5C11H14O
R(-)-α-ChloroMethyl HistaMine DihydrochlorideR(-)-α-?????????????75614-86-7C6H11Cl2N3
CP-226269220941-93-5C18H19FN4
BetaMethasone 17-Propionate 21-Mesylate15423-80-0C26H35FO8S
Vildagliptin1147403-03-9C23H33N3O8
Bupropion-d9 Hydrochloride?????-D9???1189725-26-5C13H10Cl2D9NO
4-Methyl-2-oxovaleric Acid SodiuM Salt?????????????4502-00-5C6H9NaO3
Halobetasol?????98651-66-2C22H27ClF2O4
(R)-2,3-DiMethylbutyric Acid(R)-2,3-????????27855-05-6C6H12O2
1,2-O-Ethylidene (R,S)-β-D-Mannopyranoside1,2-O-????(R,S)-bD-??????230953-16-9C8H14O6
Fenatrol85-34-7C8H5Cl3O2
Plerixafor155148-31-5C28H54N8
Ethyl 2,3-Dicyanopropionate40497-11-8C7H8N2O2
4'-azetidinoMethyl-4-broMo-2-fluorobenzophenone898756-87-1C17H15BrFNO
Methyl 3-(6-Methoxynicotinoyl)benzoate898786-05-5C15H13NO4
7-AMinobenzo[a]pyrene7-?????[A]??72297-05-3C20H13N
ethyl 8-[3-(4-MethylpiperazinoMethyl)phenyl]-8-oxooctanoate898789-55-4C22H34N2O3
L-Valine Benzyl EsterL-????????21760-98-5C12H17NO2
4-AMinoMethylpyrrolidin-2-one4-(?????)????-2-?676627-00-2C5H10N2O
2-(2-Propenyl)benzoic acid2-??-???61436-73-5C10H10O2
2-Fluorobenzoic Acid-d42-???????-D4?646502-89-8C7HD4FO2
Ethyl 4-[3-(MorpholinoMethyl)phenyl]-4-oxobutyrate898792-44-4C17H23NO4
BroModichloroacetonitrile?????????????60523-73-1C2BrCl2N
ε-1,2,3,4,5,6-Hexachlorocyclohexane(1α,2α,3α,4β,5β,6β)-1,2,3,4,5,6-????????????6108-10-7C6H6Cl6
Bis(MaleiMido)Methyl Ether??-??????????15209-14-0C10H8N2O5
2,6-DiMethylanthracene2,6-???????613-26-3C16H14
N-Methyl-N-(3-cyanopropyl)benzylaMineN-??-N-(3-??????)????89690-05-1C12H16N2
2,3-diMethyl-3'-MorpholinoMethyl benzophenone898765-53-2C20H23NO2
3-Acetoxy-3',4'-diMethoxybenzophenone890100-42-2C17H16O5
SiMvastatin Acyl-β-D-glucuronide???????-bD-??????463962-56-3C31H48O12
2-(2-fluorophenyl)-3'-iodoacetophenone898784-75-3C14H10FIO
Dehydro Isradipine116169-18-7C19H19N3O5
rac 4-Hydroxy-3-Methoxyphenylethylene Glycol-d3RAC4-?????-3-???????????-D374495-72-0C9H12O4
2,3-diMethyl-4'-MorpholinoMethyl benzophenone898770-02-0C20H23NO2
(S)-3-(4'-Methoxy-3'-sulfonaMidophenyl)-2-propylaMine Hydrochloride(R)-(-)-5-(2-??????)-2-??????????Hcl112101-77-6C10H17ClN2O3S
4-BroMo-2-fluorophenyl cyclobutyl ketone898791-00-9C11H10BrFO
(-)-Bornyl Ferulate(-)-????????55511-07-4C20H26O4
Glutathione-glycine-13C2,15N1(Discontinued)?????-(???-13C2,15N1)815610-65-2C10H17N3O6S
1-(2-AMino-1-oxopropyl)octahydrocyclopenta[b]pyrrole-2-caroxylic Acid1-(2-AMINO-1-OXOPROPYL)????????????[B]??-2-????104160-97-6C11H18N2O3
2-chloro-4-fluoro-3'-MorpholinoMethyl benzophenone898792-07-9C18H17ClFNO2
p-[2-[(5-Chloro-2-Methoxybenzoyl)aMino]ethyl]benzenephosphonatep-[2-[(5-???-2-??????)???]??]????????594854-55-4C16H17ClNO6P
DL-4-Hydroxy-2-ketoglutarate DilithiuM Salt2-?????-4-??-??????1187-99-1C5H6O6
4-Chloro-3-fluorophenylzinc iodide4-???-3-?????????????312693-42-8C6H3ClFIZn
3,5-DiMethyl-1-adaMantylzinc broMide3,5-???-1-???????????312692-99-2C12H19BrZn
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