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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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1,3-Bis(2-hydroxyethylsulfonyl)-2-propanol1,3-??(?????????)????67006-34-2C7H16O7S2
Neohesperidose, 98%17074-02-1C12H22O10
3-[4-(Trifluoromethyl)phenyl]propionic acid, 97%4-(????????)???????53473-36-2C10H9F3O2
Ethylene trithiocarbonate, 98%????????????822-38-8C3H4S3
Iodobenzene, 97.5%??????591-50-4C6H5I
1-Ethyl-3-methylimidazolium trifluoromethanesulfonate, 99%145022-44-2C7H11F3N2O3S
(S)-(+)-1,3-Butanediol, 98+%(S)-(+)-1,3-?????24621-61-2C4H10O2
Methyl benzenesulfonate, 98%80-18-2C7H8O3S
5-(Bromomethyl)-3-methylisoxazole 95%5-(?????)-3-??????36958-61-9C5H6BrNO
9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyriMidin-2-one61751-44-8C9H10N2O
L-Glutathione (oxidized form), 98%???????????27025-41-8C20H32N6O12S2
3-(2-hydroxyphenyl)propanohydrazide(SALTDATA: FREE)3-(2-??????)?????????24535-13-5C9H12N2O2
5-Methyl-2-furanMethanol(5-??-2-??)???3857-25-8C6H8O2
Chitosan, Deacetylation: 95%???9012-76-4C6H11NO4X2
3,3-Dimethyl-1-butenylboronic acid86595-37-1C6H13BO2
N,N-DiMethyloxaMic AcidN,N-???????32833-96-8C4H7NO3
3-BroMo-4'-tert-Butylbenzophenone3-???-4'-TERT-??????132885-82-6C17H17BrO
7-Methyl-3,4-dihydro-2H-1,8-naphthyridine-1-carboxylic acid tert-butyl ester, 95%7-??-3,4-?????-2H-[1,8]?????-1-????tert-??????243641-37-4C14H20N2O2
(5-Furan-2-yl-4H-[1,2,4]triazol-3-ylsulfanyl)-acetic acid30452-55-2C8H7N3O3S
3-(Di-i-propylphosphino)propylamine, min. 97% (10 wt% in THF)3-(?-i-???????)?????1196147-69-9C9H22NP
2,3-Dihydro-1,4-benzodioxin-6-ylmethylamine , 95%2,3-DIHYDRO-1,4-?????-6-?????17413-10-4C9H11NO2
N,N'-Diphenylbenzidine, 97%, indicator531-91-9C24H20N2
4-Bromobiphenyl, 99%4-???????92-66-0C12H9Br
2-Chloro-4,6-difluorobenzo[d]thiazole, 97%2-???-4,6-??????????252681-57-5C7H2ClF2NS
4-(3-Methylphenyl)-4-oxobutyric acid4-(3-METHYLPHENYL)-4-??????59618-44-9C11H12O3
Diethyl 4-Methoxyphenylphosphonate4-????????????????3762-33-2C11H17O4P
Methyl pentafluoropropionate, 99%378-75-6C4H3F5O2
2-Ethylnaphthalene??????(2-)939-27-5C12H12
N-Boc-4-oxo-L-Proline methyl ester, 97%102195-80-2C11H17NO5
4-Fluorophenylacetonitrile, 99%??????????459-22-3C8H6FN
N-Boc-(2'-Chlorophenyl)glycineTERT-BUTOXYCARBONYLAMINO-(2-CHLORO-PHENYL)-????313490-25-4C13H16ClNO4
Tris(cyclopentadienyl)praseodymium (99.9%-Pr) (REO)11077-59-1C15Pr
Bromopentafluorobenzene, 99%??????????344-04-7C6BrF5
6-(4-Chlorophenyl)morpholin-3-one6-(4-?????)-3-?????5196-95-2C10H10ClNO2
(2R)-2-Methylpyrrolidine toluene-4-sulphonate(R)-2-???????????204387-55-3C12H19NO3S
5-Thiophen-2-yl-isoxazole-3-carboxylic acid5-???-2-YL-????-3-?????763109-71-3C8H5NO3S
Benzyl 4-Fluorophenyl Ketone347-84-2C14H11FO
(R)-(+)-2-Aminomethyl-1-ethylpyrrolidine, 98%(R)-(+)-2-?????-1-??????22795-97-7C7H16N2
4-(5-Benzofuranyl)-1,2,3,6-tetrahydropyridine4-(5-?????)-1,2,3,6-?????????158984-63-5C13H13NO
2-Mercaptonicotinic acid, 98%2-???????? ?38521-46-9C6H5NO2S
Glycylglycylglycine, 99%???????-44556-33-2C6H11N3O4
2-Amino-2-[3-(trifluoromethyl)phenyl]acetic acid242475-26-9C9H8F3NO2
2-Isocyanooctanoic acid methyl ester2-??????????????730964-71-3C10H17NO2
2-cyclohexylpropanoic acid(SALTDATA: FREE)2-??????????6051-13-4C9H16O2
Hexarhodium hexadecacarbonyl, min. 98%28407-51-4C16O16Rh6
4-(pyridin-4-yloxy)benzene-1-sulfonyl chloride hydrochloride, 95%4-(4-PYRIDYLOXY)???????????192330-49-7C11H9Cl2NO3S
3,3',4,4'-Benzophenonetetracarboxylic dianhydride, 99.5%3,3',4,4'-???? ?????? 2???2421-28-5C17H6O7
6-cyclopropyl-N,N-dimethyl-1,3,5-triazine-2,4-diamine(SALTDATA: FREE)6-???????-N,N-???-1,3,5-????-2,4-???634165-96-1C8H13N5
1-[5-(Trifluoromethyl)-1,3,4-thiadiazol-2-yl]piperidine-4-carbaldehyde, 95%958443-35-1C9H10F3N3OS
3,5-Dibromotoluene, 98%1611-92-3C7H6Br2
4-(2-Chloroethyl)anisole18217-00-0C9H11ClO
3-Carboxy-2,2,5,5-tetraMethylpyrrolidine 1-Oxyl Free Radical2154-68-9C9H16NO3*
Chloro(indenyl)bis(triphenylphosphine)ruthenium(II),dichloromethane adduct, min. 98%???(???)??(???????)???(II)99897-61-7C45H37ClP2Ru5*
2-Vinyloxytetrahydropyran2-?????????????22408-41-9C7H12O2
1,3,4,6-Tetra-O-acetyl-2-azido-2-deoxy-beta-D-glucopyranose80321-89-7C14H19N3O9
4-(Bromoacetyl)-5-methyl-1-phenyl-1H-pyrazole137577-00-5C12H11BrN2O
(3-amino-2-methylpropyl)dimethylamine(SALTDATA: FREE)N,N,2-???????-1,3-???6105-72-2C6H16N2
5-BroMobenzothiophene-2-carboxylic Acid Methyl Ester??5-???-1-?????-2-???????7312-11-0C10H7BrO2S
1-(IsocyanoMethyl)-1H-benzotriazole1-(???????)-1H-??????87022-42-2C8H6N4
Tin(IV) t-butoxide (99.99%-Sn) PURATREM36809-75-3C4H12OSn
3-Fluoro-4-methoxybenzoic acid, 98%3-????-4-????? ?403-20-3C8H7FO3
Ethyl 2-(methylthio)pyrimidine-5-carboxylate, 95%73781-88-1C8H10N2O2S
Calcium phosphate, dibasic (99.95%-Ca)? ?? ?????7757-93-9CaHO4P
Praseodymium(III) chloride, anhydrous (99.9%-Pr) (REO)?????? ???10361-79-2Cl3Pr
2,1,3-Benzothiadiazole-4-sulphonyl chloride2,1,3-???????-4-????????73713-79-8C6H3ClN2O2S2
6-Phenyl-M-anisidine hydrochloride6-??-M-???????107624-16-8C13H14ClNO
2,3,3-Trimethylindolenine, 97.5%????????-2,3,31640-39-7C11H13N
N-(TriphenylMethyl)glycine5893-05-0C21H19NO2
tert-Butyl N-(4-iodophenyl)carbamateTERT-??N-(4-??????)??????159217-89-7C11H14INO2
Pyridine-3-boronic acid, neopentylglycol ester3-?????? ??????? ????845885-86-1C10H14BNO2
1-Ethyl-4-piperidone1-??-4-????3612-18-8C7H13NO
Tin(Ⅳ) isopropoxide, 99.9% Metals basis1184-61-8C12H28O4Sn
Ethyl 2-amino-5-bromonicotinate??2-???-5-?????????433226-06-3C8H9BrN2O2
Triacetin, 99%?????102-76-1C9H14O6
N-TriMethylsilylacetaMide13435-12-6C5H13NOSi
3,4-Dichlorothiophenol17231-17-3C11H14O4S
3-(5-methyl-1H-benzimidazol-2-yl)propan-1-ol(SALTDATA: FREE)1H-??????-2-????,5-??-(9CI)13395-19-2C11H14N2O
5-Aminoisoxazole-4-carbonitrile, 97%4-??????????,5-???-(6CI,9CI)98027-17-9C4H3N3O
5-Phenyl-2-thiophenecarbonyl chloride , 95%5-??-2-???????????17361-89-6C11H7ClOS
Ethyl levulinate, 98%539-88-8C7H12O3
1-(1-isopropyl-1H-benzimidazol-2-yl)methanamine(SALTDATA: 2HCl)920464-24-0C11H15N3
2,3-Difluorotoluene, 99%3828-49-7C7H6F2
Cyclopropanecarboxylic acid, 99%???????????????1759-53-1C4H6O2
6-Chloro-2-hexanone6-???-2-???10226-30-9C6H11ClO
Chromium(III) oxide, 99%?????1308-38-9Cr2O3
1,2-Naphthalic Anhydride5343-99-7C12H6O3
Fluorotrichloroethylene 97%????????????359-29-5C2Cl3F
5-Bromo-2-methoxyphenol, 99%37942-01-1C7H7BrO2
3-Anilino-2-cyclohexen-1-one, 98%3-?????????-2-EN-1-ONE24706-50-1C12H13NO
2-AMino-4,4,4-trifluorobutyric Acid Hydrochloride15959-93-0C4H6F3NO2
5-Methyl-1-(3-trifluoromethyl-phenyl)-1H-pyrazole-3-carboxylic acid126067-60-5C12H9F3N2O2
4-(2-Chloro-6-fluorobenzyloxy)phenylacetonitrile4-(2-CHLORO-6-FLUOROBENZYLOXY)????????175135-35-0C15H11ClFNO
Glycitin, 98%, from Glycinemax (L.) merr.40246-10-4C22H22O10
Iodopentafluoroacetone57069-95-1C3F5IO
Bis(ethylcyclopentadienyl)magnesium, min. 98%??(???????????)????114460-02-5C14H18Mg10*
4-(1,2,4-Triazol-1-yl)aniline1-(4'-?????)-1,2,4-????6523-49-5C8H8N4
10-Undecylenic acid, 97.5%?????112-38-9C11H20O2
(1H,1H,2H,2H-Perfluorododecyl)tris(ethoxy)silane1H,1H,2H,2H-???????????????146090-84-8C18H19F21O3Si
(4-Fluorophenyl)thiourea(4-??????)?????459-05-2C7H7FN2S
tert-Butylhydrazine hydrochloride, 98%7400-27-3C4H13ClN2
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