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

?? ?:J & K SCIENTIFIC LTD.
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???:jkinfo@jkchemical.com
??:China
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4-amino-1,2,5-oxadiazole-3-carboxamide(SALTDATA: FREE)4-???-1,2,5-?????-3-??????13300-88-4C3H4N4O2
L-Leucine benzyl ester toluene-4-sulfonate, 98%1738-77-8C20H27NO5S
4-Acetylphenyl trifluoromethanesulfonate, 98%109613-00-5C9H7F3O4S
5-Methyl-2-thiouracil, 98%636-26-0C5H6N2OS
4-Pentylaniline, 98%33228-44-3C11H17N
Neodymium(III) perchlorate, 50% aqueous solution (99.9%-Nd) (REO)??????????13498-06-1Cl3NdO12
Triethoxysilane, 97%???????998-30-1C6H16O3Si
2,4-Dihydroxybenzaldehyde, 98%2,4-???????????95-01-2C7H6O3
2-Bromo-4-nitropyridine N-oxide, 97%52092-43-0C5H3BrN2O3
(R)-(+)-1-Benzyl-3-(Boc-amino)pyrrolidine, 97%(3R)-(+)-1-??-3-(TERT-??????????)????131878-23-4C16H24N2O2
2-Bromo-4-methylbenzaldehyde, 98%2-???-4-????????824-54-4C8H7BrO
2-(Chloromethyl)quinoline hydrochloride, 97%3747-74-8C10H9Cl2N
1-(6-chloropyridazin-3-yl)piperidin-4-amine(SALTDATA: 2HCl 1.4H2O)100241-10-9C9H13ClN4
6-Bromo-2-(4-methoxyphenyl)-3-methylquinoline-4-carboxylic acid354539-71-2C19H16BrNO3
(4R)-1-Boc-4-Methyl-D-proline(4R)-1-BOC-4-??-D-???871727-77-4C11H19NO4
Toluidine Blue O???? BLUE O92-31-9C15H16ClN3S
3,4-dimethyl-7-(2-oxopropoxy)-2H-chromen-2-one(SALTDATA: FREE)156006-10-9C14H14O4
7-Methylbenz[a]anthracene7-????[A]????2541-69-7C19H14
2-(Ethylamino)-6-fluorobenzenecarbonitrile2-(?????)-6-???????????119584-72-4C9H9FN2
Hordenine Sulfate Dihydrate622-64-0C20H32N2O6S
di-n-Butylbis(2-ethylhexanoate)tin???? ??[2-??-1-????)??]???2781-10-4C24H48O4Sn
Methyl 4-(2-Hydroxyethoxy)benzoate4-(2-????????)?????????3204-73-7C10H12O4
(FerrocenylMethyl)dodecyldiMethylaMMoniuM BroMide(??????)?????????????98778-40-6C25H33BrFeN
3,6-Diazabicyclo[3.2.0]heptane3,6-????????[3.2.0]??55402-83-0C5H10N2
FluorinertR(FC-40)??????FC-4051142-49-5C21F48N2
5-(AMinosulfonyl)-2,3-diMethoxybenzoic Acid2,3-????-5-???????66644-80-2C9H11NO6S
2-(chloromethyl)-6-methyl-4H-pyrido[1,2-a]pyrimidin-4-one(SALTDATA: FREE)87591-74-0C10H9ClN2O
2-Amino-N-(2-propynyl)benzenecarboxamide2-???-N-(2-????)???????4943-83-3C10H10N2O
5-(3-Aminophenyl)tetrazole5-(3-?????)????73732-51-1C7H7N5
4-(4'-Aminomethyl)phenyl-1-N-Boc-aniline4-(4'-?????)??-1-N-BOC-???811842-12-3C18H22N2O2
2,3,4,4'-TetrahydroxydiphenylMethane2,3,4,4'-????????????174462-43-2C13H12O4
5-Fluoro-2-hydroxy-3-methylbenzaldehyde5-????-2-????-3-????????704884-74-2C8H7FO2
1-Methyl-4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl]piperazine832114-09-7C16H26BN3O2
4-allyl-5-[(3,5-dimethylphenoxy)methyl]-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)667413-38-9C14H17N3OS
2-(3,4-dimethylphenoxy)propanohydrazide(SALTDATA: FREE)438613-32-2C11H16N2O2
2-(Methylsulfinyl)benzenol2-(?????)???1074-02-8C7H8O2S
(2,5,7-trimethyl-1H-indol-3-yl)acetic acid(SALTDATA: FREE)(2,5,7-????-1H-??-3-?)-????91957-25-4C13H15NO2
Ethyl N-(2-cyano-3-ethoxyacryloyl)carbamate??N-(2-???-3-????????)??????1187-34-4C9H12N2O4
2-Chloro-N-(4-cyano-phenyl)-acetamide2-???-N-(4-???-??)-??????114807-80-6C9H7ClN2O
4'-Chlorobiphenyl-2-carboxaldehyde4'-???-???-2-???????153850-83-0C13H9ClO
3-(2-Bromoethoxy)anisole1-(2-?????)-3-?????3245-45-2C9H11BrO2
(5E)-5-(3-Isopropoxybenzylidene)-2-Mercapto-1,3-thiazol-4(5H)-one127378-77-2C13H13NO2S2
1-tert-butyl-4-phenyl-1H-pyrazol-5-amine(SALTDATA: FREE)664966-72-7C13H17N3
2-Bromo-4,5-dichloronitrobenzene1-???-4,5-????-2-?????93361-94-5C6H2BrCl2NO2
5-Methyl-4-(2-thienyl)-1,3-thiazol-2-amine5-??-4-???-2-YL-???-2-???206555-52-4C8H8N2S2
D-Panose, 98%33401-87-5C18H32O16
2-(p-Tolyl)pyridine, 97%4467-06-5C12H11N
1-Hexyl isothiocyanate, 97%4404-45-9C7H13NS
isopropyl (3-formyl-1H-indol-1-yl)acetate(SALTDATA: FREE)708991-26-8C14H15NO3
Ethyl 3,4-diMethylbenzoylforMate??3,4-???????????80120-32-7C12H14O3
2-Bromo-1-[3-(trifluoromethyl)phenyl]-1-ethanone, Tech.3-(????????)???????2003-10-3C9H6BrF3O
5-(2-chlorophenyl)-4-methyl-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)80590-50-7C9H8ClN3S
Benzyl [1-(4-fluorophenyl)ethyl]aminehydrochloride??-[1-(4-FLUORO-??)-??]-?????820245-52-1C15H17ClFN
5-amino-2-chloro-N,N-dimethylbenzamide(SALTDATA: FREE)5-???-2-???-N,N-????????946691-01-6C9H11ClN2O
4-[(4-Methyl-benzylamino)-methyl]-3-nitro-benzoicacid methyl ester4-[(4-??-?????)-??]-3-???-?????????675602-57-0C17H18N2O4
DicinnaMalacetone1,9-???-1,3,6,8-??????-5-?622-21-9C21H18O
6,7-Dibromobenzo(1,4)dioxan6,7-??????(1,4)???25812-80-0C8H6Br2O2
Proline, 99%609-36-9C5H9NO2
3-Sulfamoylbenzoic acid, 97%636-76-0C7H7NO4S
2,6-Dibromotoluene, 98.5%69321-60-4C7H6Br2
1,6-Dihydroxynaphthalene, 99%575-44-0C10H8O2
Tantalum carbide (99.5%-Ta)?? ???(?? ??)12070-06-3CTa
Cytisine, 98%485-35-8C11H14N2O
3-cyclohexylpyrrolidine(SALTDATA: FREE)3-??????-????78813-85-1C10H19N
(S)-(-)-2-Acetoxypropionic Acid(S)-(-)-2-?????????6034-46-4C5H8O4
ethyl (5-amino-1,3,4-thiadiazol-2-yl)acetate(SALTDATA: FREE)??(5-???-1,3,4-?????-2-?)?????(SALTDATA:FREE)88124-55-4C6H9N3O2S
2-(3-formyl-2-methyl-1H-indol-1-yl)acetamide(SALTDATA: FREE)2-(3-FORMYL-2-METHYL-INDOL-1-YL)-??????61922-00-7C12H12N2O2
2,4,5-Trifluoro-(trichloromethyl)benzene2,4,5-???????????????136364-60-8C7H2Cl3F3
2-Cyano-N-cyclopropylacetamide2-???-N-??????-??????15029-37-5C6H8N2O
4-(Tetrahydropyran-4-yloxy)aniline, 97%4-(????????-4-???)???917483-71-7C11H15NO2
2'-Hydroxy-6'-(3-methylbutoxy)acetophenone1-[2-HYDROXY-6-(??????)??]??-1-?249278-25-9C13H18O3
2-bromo-5-iodopyrazine, 95%622392-04-5C4H2BrIN2
2-Amino-4-thiazoleacetic acid, 98.5%2-???-4-?????? ?29676-71-9C5H6N2O2S
thieno[2,3-c]pyridine-2-carbaldehyde, 95%???[2,3-c]???-2-????????(9CI)203922-18-3C8H5NOS
Streptozocin, 99%????????18883-66-4C8H15N3O7
Di-tert-butyl malonate, 98%541-16-2C11H20O4
2'-Deoxy-2'-fluorouridine, 98%784-71-4C9H11FN2O5
2-tert-Butyl-1H-imidazole, 98%2-tert-??-1H-????(SALTDATA:??)36947-69-0C7H12N2
2-[(4-Chlorophenyl)sulfanyl]-2-methylpropanal2-[(4-?????)???]-2-??????56421-90-0C10H11ClOS
cis-3-Nonen-1-ol??(??-3-)-1-?10340-23-5C9H18O
6-aminomethyl-1H-indazole6-????????710943-26-3C8H9N3
Lithium diphenylphosphide, 0.5M solution in THF, AcroSeal65567-06-8C12H10LiP
4-(1H-Benzimidazol-1-ylmethyl)benzoic acid, 97%4-(1H-BENZIMIDAZOL-1-YLMETHYL)???139742-50-0C15H12N2O2
2-(DicyanoMethylene)indan-1,3-dione16954-74-8C12H4N2O2
Meronem;Meropen;Meropenem;Merrem???em96036-03-2C17H25N3O5S
2-Chloro-1,3-benzothiazole-6-carboxylic acid2-???-1,3-?????-6-?????3855-95-6C8H4ClNO2S
Isopropyl paraben?????????????4191-73-5C10H12O3
Trihexylamine, 98%???-?-????102-86-3C18H39N
Indium(III) trifluoroacetylacetonate, 99%15453-87-9C15H12F9InO6
2-Methylthio-6-phenyl-4H-thiopyran-4-one2-????-6-??-4H-????-4-?113544-16-4C12H10OS2
Monooctyl Maleate2370-71-0C12H20O4
N-(3-tert-Butylsulfanyl-pyridin-4-yl)-2,2-dimethyl-propionamide766557-59-9C14H22N2OS
5-Fluoro-2-(trifluoromethyl)benzyl bromide5-FLUORO-2-(????????)???????239135-48-9C8H5BrF4
2,3-Bis(2-hydroxyethylthio)-1,4-naphthalenedione93718-83-3C14H14O4S2
2-Bromo-3-fluorobenzaldehyde2-???-3-??????????891180-59-9C7H4BrFO
PyroMellitic DiiMide?????? ????2550-73-4C10H4N2O4
2-phenylMorpholine (SALTDATA: FREE)2-??????23972-41-0C10H13NO
(S)-1-N-Fmoc-2-methyl-piperazine(S)-1-N-FMOC-2-??-????888972-50-7C20H22N2O2
4-allyl-5-(2-phenylethyl)-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)590376-39-9C13H15N3S
2-(4-Fluorophenyl)-4H-3,1-benzoxazin-4-one18600-51-6C14H8FNO2
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