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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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4-formyl-N-methylbenzenesulfonamide(SALTDATA: FREE)4-???-N-?????????(SALTDATA:??)13092-93-8C8H9NO3S
7-Aminoactinomycin D, 99%7240-37-1C62H87N13O16
Hexa-n-butylditin, min. 95%813-19-4C24H54Sn2
(S)-(+)-(3,5-Dioxa-4-phospha-cyclohepta[2,1-a;3,4-a']dinaphthalen-4-yl)piperidine, min. 97% (S)-PipPhos284472-79-3C25H22NO2P
Ethyl 2-Methyl-3-hydroxy-4,4,4-trifluorobutyrate??2-??-3-?????-4,4,4-???????????91600-33-8C7H11F3O3
4-Ethynylphthalic Anhydride4-????????73819-76-8C10H4O3
3,4-Dihydro-6-hydroxy-2(1H)-quinolinone54197-66-9C9H9NO2
4-BroMo-3',4'-difluorobenzophenone4-???-3',4'-?????????844878-99-5C13H7BrF2O
4-(5-methyl-2-furyl)benzoic acid(SALTDATA: FREE)4-(5-??-2-??)???53782-63-1C12H10O3
4-(3,4-Dihydropyrido[4,3-b]-1,6-naphthyridin-2(1H)-yl)-4-oxobutanoic acid392233-82-8C15H15N3O3
D-AP781338-23-0C7H16NO5P
Methyl 3,5-bis(allyloxy)benzenecarboxylate??3,5-??(????)????????135710-38-2C14H16O4
Oxytocin (free acid)24346-32-5C43H65N11O13S2
Tetrakis(pentylthio)tetrathiafulvalene [Organic Electronic Material]106920-29-0C26H44S8
tri-n-Tolylchlorotin?????????32538-28-6C21H21ClSn
1-Thiazol-5-yl-ethanone???,1-(5-????)-(9CI)91516-28-8C5H5NOS
Imiquimod, 99%, a toll-like receptor 7 agonist?????99011-02-6C14H16N4
trans-N-Cbz-4-hydroxy-L-proline, 98%13504-85-3C13H15NO5
6-Methoxy-1,2,3,4-tetrahydronaphthalene6-???-1,2,3,4-???????????1730-48-9C11H14O
D-Cysteine methyl ester hydrochloride, 98%70361-61-4C4H10ClNO2S
(4R,6R)-tert-Butyl-6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxane-4-acetate, 98%125995-13-3C14H27NO4
4-BroMo-3'-fluoro-4'-Methylbenzophenone4-???-3'-????-4'-??????844879-18-1C14H10BrFO
Methylphenylsilane???????766-08-5C7H10Si
(4-AcetaMidophenyl)-β-D-glucuronide sodiuM salt120595-80-4C14H16NNaO8
PotassiuM (2-ForMylphenyl)trifluoroborate192863-39-1C7H5BF3KO
2',7'-Dichlorofluorescein 3',6'-diacetate, 96%2',7'-???????????????2044-85-1C24H14Cl2O7
1-Boc-4-methanesulfonyloxy-piperidine, 97%1-Boc-4-???????????141699-59-4C11H21NO5S
Picene213-46-7C22H14
Heptyl p-Toluenesulfonate24767-82-6C14H22O3S
4-Chlorophenylurea140-38-5C7H7ClN2O
4-ethyl-2-pyrrolidinone (SALTDATA: FREE)4-??-2-?????41819-75-4C6H11NO
4-Bromo-2,6-di-tert-butylphenol, 98%1139-52-2C14H21BrO
Ethyl 2-fluorobenzoate, 97%443-26-5C9H9FO2
4-Chloroquinoline, 99%611-35-8C9H6ClN
1,2,3-Trichloro-5-nitrobenzene, 96%1,2,3-?????-5-?????20098-48-0C6H2Cl3NO2
5-Amino-3-(4-methylphenyl)pyrazole78597-54-3C10H11N3
(-)-Myrtenal18486-69-6C10H14O
1,2-benzisoxazol-7-ol(SALTDATA: FREE)??[D]????-7-OL55559-31-4C7H5NO2
1-azido-2-(methylsulfonyl)ethane(SALTDATA: FREE)1-???-2-(?????)??(?????:??)1211474-41-7C3H7N3O2S
Thulium(III) acetate tetrahydrate (99.9%-Tm) (REO)34431-47-5C2H6O3Tm
3-Bromo-1H-indazole, 97%3-??????40598-94-5C7H5BrN2
3,5-Dimethoxybenzoic acid, 98%1132-21-4C9H10O4
4-Hydroxy Isoleucine781658-23-9C6H13NO3
[4-(2-methoxyethoxy)phenyl]boronic acid(SALTDATA: FREE)265664-52-6C9H13BO4
3,3,4,4,5,5,5-Heptafluoropentan-1-ol3,3,4,4,5,5,5-????????-1-OL755-40-8C5H5F7O
4-(5-amino-1,3,4-thiadiazol-2-yl)-1-phenylpyrrolidin-2-one(SALTDATA: FREE)1142202-31-0C12H12N4OS
Sodium 4-amino-N-(6-methoxypyridazin-3-yl)-benzenesulfonamide?????????2577-32-4C11H13N4NaO3S
2-Hydroxy-2-pyridin-3-yl-cyclohexanone2-?????-2-???-3-?-???????886362-93-2C11H13NO2
4-(2-Bromophenyl)-2-methyl-1,3-thiazole , 97%4-(2-?????)-2-??-1,3-???941717-01-7C10H8BrNS
2-TriMethylsilyloxy-1,3-butadiene38053-91-7C7H14OSi
1,5-DiMethoxypentane1,5-??????111-89-7C7H16O2
4-Ethoxy-2-butanone4-???-2-???60044-74-8C6H12O2
1H,1H,2H-Perfluoro-1-hexene, 98%?????-1-??19430-93-4C6H3F9
(1R)-1-[3-(Trifluoromethyl)phenyl]ethan-1-ol(R)-1-[3-(????????)??]???127852-24-8C9H9F3O
3-(3,4-Dimethoxyphenyl)-3-oxo-propionic acidethyl ester3-(3,4-????-??)-3-??-???????????4687-37-0C13H16O5
Trioxsalen??3902-71-4C14H12O3
(RS)-1-[3,5-Bis(trifluoromethyl)phenyl]propylamine 97%(RS)-1-[3,5-BIS(????????)??]?????685503-45-1C11H11F6N
4-(Methylthio)benzyl Alcohol3446-90-0C8H10OS
Bis(triphenylphosphine)iminium chloride, 97%21050-13-5C36H30ClNP2
Ethyl 2-bromovalerate, 98%615-83-8C7H13BrO2
1,2,4-Trivinylcyclohexane (Mixture of isoMers)1,2,4-????????2855-27-8C12H18
(S)-(+)-4-Isopropyl-3-propionyl-2-oxazolidinone, 98%, ee: 98%77877-19-1C9H15NO3
1,4-Diphenoxybenzene, 98%3061-36-7C18H14O2
2,3-Pentanedione, 97%????(2,3-)600-14-6C5H8O2
Tetrabutylammonium difluorotriphenylsilicate, 97%163931-61-1C34H51F2NSi
5-Nitrovanillin, 98%6635-20-7C8H7NO5
Iridium(III) chloride, hydrate (99.99+%-Ir) PURATREM [free of Ir(IV) by electrochemical analysis]14996-61-3Cl3H2IrO
3,5-Dipropyl-1,2,4-triazol-4-ylamine3,5-????-1,2,4-????-4-???46054-70-0C8H16N4
Ethyl 2,5-dimethyl-1-phenyl-1H-pyrrole-3-carboxylate??2,5-???-1-??-1H-??-3-???????76546-68-4C15H17NO2
ToMatine [for Cholesterol assay]17406-45-0C50H83NO21
4,5-Bis(2-cyanoethylthio)-1,3-dithiole-2-thione4,5-??(2-???????)-1,3-???-2-??132765-35-6C9H8N2S5
4-Ethoxybenzonitrile4-????????25117-74-2C9H9NO
Triethylene Glycol Monododecyl Ether??????????-?-??????3055-94-5C18H38O4
1,6-Heptadiene3070-53-9C7H12
3-Ethoxybenzenethiol86704-82-7C8H10OS
PentylsilaneN-????10177-98-7C5H14Si
2-Phenyl-1,3-propanediol1570-95-2C9H12O2
2-methyl-3-(1-pyrrolidinyl)aniline(SALTDATA: FREE)915921-42-5C11H16N2
7-Bromo-1H-indole, N-BOC protected 98%7-???-1H-??,N-BOC??868561-17-5C13H14BrNO2
1-n-Octylpyrrole1-N-????50966-65-9C12H21N
3-BenzalbutyraMide3-??-N-??????7236-47-7C11H13NO
2,3,4-TrihydroxydiphenylMethane2,3,4-???????????17345-66-3C13H12O3
Amberlite IR120, H form, ion-exchange resin?????IR-120(???)??-????78922-04-0C13H10ClNO4S
3-Undecanol3-????6929-08-4C11H24O
2-(2-naphthyloxy)propanoic acid(SALTDATA: FREE)2-(2-?????)????10470-82-3C13H12O3
4-Chloro-2,5-diMethylbenzenesulfonyl chloride4-???-2,5-???????????88-49-3C8H8Cl2O2S
5-(3-Amino-phenyl)-furan-2-carboxylic acid methylester5-(3-?????)FURAN-2-???????????54023-06-2C12H11NO3
(2-methoxyethyl)(4-pyridinylmethyl)amine(SALTDATA: HCl)892566-41-5C9H14N2O
6-(dimethylamino)pyridine-3-carbaldehyde, 95%149805-92-5C8H10N2O
1-methyl-1H-indazole-7-carbaldehyde, 95%1-??-1H-???-7-??????951030-58-3C9H8N2O
Belleau's Reagent [Sulfurating Reagent]88816-02-8C24H18O2P2S4
4-(MethylaMino)azobenzene4-(?????)????621-90-9C13H13N3
5-(acetylaMino)-2-hydroxybenzoic acid (SALTDATA: FREE)N-???-5-???????51-59-2C9H9NO4
4-Morpholin-4-yl-butan-2-one4-????-4-???-2-?6050-58-4C8H15NO2
3-Chloro-2,4,5,6-tetrafluorobenzotrifluoride3-???-2,4,5,6-?????????????????4284-09-7C7ClF7
4-(7-chloro-2,3-dihydro-1,4-benzodioxin-6-yl)-1,3-thiazol-2-amine(SALTDATA: FREE)915873-63-1C11H9ClN2O2S
2-(6-fluoro-1H-benzimidazol-2-yl)ethanamine(SALTDATA: HCl)2-(5-????-1H-??????-2-?)????887405-22-3C9H10FN3
2,6-Dimethylphenylthioethanol2,6-??????????65320-76-5C10H14OS
(5-ethyl-1-benzofuran-3-yl)acetic acid(SALTDATA: FREE)882248-24-0C12H12O3
2-Chloro-2-(3,4-dichloro-phenyl)-ethanol2-???-2-(3,4-????-??)-???886365-89-5C8H7Cl3O
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