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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-Fluoro-2-methylphenylboronic acid, 97%139911-29-8C7H8BFO2
2-Nitro-1-naphthol, 98%607-24-9C10H7NO3
2-Methylindole-3-carboxaldehyde, 97%2-????-3-???????5416-80-8C10H9NO
4-[Cyclohexyl(Methyl)aMino]-1-butanol4-[?????(??)???]-1-???78345-59-2C11H23NO
2,3-DiaMino-5-chloropyridine25710-20-7C5H6ClN3
Ethyl 4-tert-butylbenzoylforMate??4-???-??????????80120-36-1C14H18O3
1H-Pyrazolo[3,4-d]pyriMidin-6-aMine1H-????[3,4-d]????-6-??(9CI)287177-82-6C5H5N5
Triethyl Orthochloroacetate2-???-1,1,1-???????51076-95-0C8H17ClO3
6-Chloroisatin6-?????6341-92-0C8H4ClNO2
FuMaraMide??????627-64-5C4H6N2O2
Thieno[3,2-b]thiophene-2-carboxylic acid, 98%1723-27-9C7H4O2S2
2-Iodobenzoic acid, 98%2-????? ?88-67-5C7H5IO2
Perfluorotri-n-butylamine, min. 85%???????????311-89-7C12F27N
2-(TrifluoroMethyl)phenyl Isothiocyanate1743-86-8C8H4F3NS
3-BroMo-4-hydroxybenzoic Acid Hydrate14348-41-5C7H5BrO3
3,4-Pyridinedicarboxylic anhydride, 97%3,4-????????? ??????4664-08-8C7H3NO3
(S)-3-N-Cbz-aminopiperidine, 97%(S)-3-N-CBZ-???-????478646-33-2C13H18N2O2
Diethyl phenylphosphonate, 98.5%1754-49-0C10H15O3P
1-[3,5-Bis(trifluoromethyl)phenyl]-3-[(1R,2R)-(-)-2-(dimethylamino)cyclohexyl]thiourea (R,R-TUC)620960-26-1C17H21F6N3S
5-Nitroquinoline, 97%607-34-1C9H6N2O2
Boc-Lys(Z)-OH, 98%, Boc-amino acids2389-45-9C19H28N2O6
5-Amino-4,6-dichloropyrimidine, 97%5413-85-4C4H3Cl2N3
Poly(dimethylsiloxane), average M.W. 115,000?????????9016-00-6(C2H6OSi)n
Aluminum ethoxide, 99%?????????555-75-9C6H15AlO3
Gelatin, for analysis???9000-70-8C6H12O6
3,5-Dichlorobenzylamine, 97%3,5-????????39989-43-0C7H7Cl2N
(S)-(-)-1-(4-Methoxyphenyl)ethylamine, 98%(S)-(-)-1-(4-?????)????41851-59-6C9H13NO
2-Methyl-2H-indazole-3-carboxylic acid, 97%34252-44-3C9H8N2O2
TriheptylaMine [Reagent for Ion-Pair ChroMatography]??????2411-36-1C21H45N
5-Bromo-2-chloro-4-iodopyridine5-???-2-???-4-??????401892-47-5C5H2BrClIN
8-methyl-2-pyridin-2-ylquinoline-4-carboxylic acid(SALTDATA: FREE)8-??-2-???-2-YL-???-4-?????107027-35-0C16H12N2O2
3-(5-Nitro-2-furyl)acrylic Acid3-(5-???-2-??)????6281-23-8C7H5NO5
(RS)-2-Amino-1,1,1-trifluoropropane hydrochloride 98%2968-32-3C3H7ClF3N
1,2-Bis(4-pyridyl)ethane, 96%4916-57-8C12H12N2
Benzil, 99%??134-81-6C14H10O2
6-chloro-5-methylpyridine-3-carboxylic acid, 95%6-???-5-?????-3-?????66909-29-3C7H6ClNO2
2,5-Dimethylpyrrole, 98%2,5-?????625-84-3C6H9N
2-Nitrobenzoic acid ethyl ester, 98%606-27-9C8H7NO4
2-Chloro-4-methylaniline, 98%615-65-6C7H8ClN
2,5-Dichlorobenzenesulfonyl chloride, 98%5402-73-3C6H3Cl3O2S
(R)-(-)-1,1'-Binaphthyl-2,2'-diyl hydrogenphosphate, min. 98%39648-67-4C20H13O4P
1-Chlorohexadecane, 97%???????4860-03-1C16H33Cl
3,4-Ethylenedioxyaniline, 97%22013-33-8C8H9NO2
1-Fluoro-3-iodobenzene,, 99%????????1121-86-4C6H4FI
2-Fluorocinnamic acid, 98%2-???????451-69-4C9H7FO2
1-(p-Toluenesulfonyl)pyrrole-2-carboxaldehyde1-(P-??????)??-2-????102619-05-6C12H11NO3S
3,4-DiMethoxybenzonitrile2024-83-1C9H9NO2
2,5-Dichlorobenzoyl Chloride2,5-???????????2905-61-5C7H3Cl3O
4-BroMo-2-(trifluoroMethoxy)acetanilide4-BROMO-2-(?????????)???????175278-18-9C9H7BrF3NO2
3-Chloro-2-cyanophenylboronic acid neopentyl glycol ester3-???-2-???????????????????883899-06-7C12H13BClNO2
1,3-Diethoxy-2-propanol1,3-????-2-????4043-59-8C7H16O3
2-(tert-ButoxycarbonylaMino)2-cyclopropaneacetic acid54256-41-6C10H17NO4
4-Sulfocalix[4]arene Hydrate4-?????[4]??112269-92-8C28H24O16S4
3-AMinopropyltris(Methoxyethoxyethoxy)silane87794-64-7C26H16MoO7PRe+
Pyridine-3-sulfonyl Chloride16133-25-8C5H4ClNO2S
(1R,2R)-2-AMinocyclohexanecarboxylic Acid(1R,2R)-2-?????????????26685-83-6C7H13NO2
4'-Acetoxyacetophenone13031-43-1C10H10O3
(S)-(-)-1-AMino-2-(MethoxyMethyl)pyrrolidine(S)-(-)-1-???-2-(?????)????59983-39-0C6H14N2O
(R)-(+)-2-(MethoxyMethyl)-1-pyrrolidinecarboxaldehyde(R)-(+)-2-(?????)-1-????????????121817-71-8C7H13NO2
Triethylarsine, 99%??????617-75-4C6H15As
7-bromo-3-chloroisoquinoline, 95%7-???-3-????????1029720-65-7C9H5BrClN
Molybdenum(VI) dioxide bis(acetylacetonate), min. 95%17524-05-9C10H14MoO6
Copper(II) hexafluoroacetylacetonate, anhydrous, elec. gr. (99.99+%-Cu) PURATREM14781-45-4C10H2CuF12O4
Benzothiophene-2-carboxylic acid, 98%6314-28-9C9H6O2S
Ethionamide, 98%???????536-33-4C8H10N2S
2-Naphthalenemethanol, 98%1592-38-7C11H10O
2,4-Mesitylenedisulfonyl dichloride, 98%68985-08-0C9H10Cl2O4S2
5-BroMo-4-chloro-3-indolyl-1,3-diacetate3030-06-6C12H9BrClNO3
2-Chloro-5-isocyanatopyridine , 97%125117-96-6C6H3ClN2O
4-BroMophenyl phenyl ether11-???-4-?????101-55-3C12H9BrO
{[5-(2-propoxyphenyl)-4H-1,2,4-triazol-3-yl]thio}acetic acid(SALTDATA: FREE)50616-43-8C13H15N3O3S
2-Methyl-2H-indazole-6-boronic acid pinacol ester2-?????-6-??????????1204580-79-9C14H19BN2O2
1,3-Diethoxy-1,1,3,3-tetramethyldisiloxane, 97%18420-09-2C8H22O3Si2
1,10-Diaminodecane, 97%1,10-??????646-25-3C10H24N2
4-Chloro-3-(trifluoroMethyl)benzonitrile1735-54-2C8H3ClF3N
Mesityl Fluoride2,4,6-??????????392-69-8C9H11F
1,2,3-Thiadiazole-4-carboxylic acid, 98%1,2,3-?????-4-?????4100-13-4C3H2N2O2S
1-(4-bromophenyl)naphthalene, 95%204530-94-9C16H11Br
1,2,3,4,5-Pentaphenyl-1'-(di-t-butylphosphino)ferrocene, 95% CTC-Q-PHOS312959-24-3C48H43FeP
2,3,4,9-Tetrahydro-1H-carbazole-6-carboxylic acid, 95%2,3,4,9-???????-1H-???-6-????36729-27-8C13H13NO2
2-Aminomethyl-3-(4-fluorophenyl)propionic acid2-?????-3-(4-????-??)-?????910443-83-3C10H12FNO2
1H-Indazole-7-boronic acid pinacol ester915411-02-8C13H17BN2O2
6-(DibutylaMino)-1,3,5-triazine-2,4-dithiol2-?-n-?????-4,6-?????S-????29529-99-5C11H20N4S2
2,7-DiaMinofluorene Dihydrochloride2,7-?????????????????13548-69-1C13H14Cl2N2
4-(tert-Butyl)phenyl isocyanate 97%4-TERT-BUTYLPHENYL???????1943-67-5C11H13NO
5-bromo-4-phenyl-1H-imidazole(SALTDATA: FREE)5-???-4-??-1H-????858514-11-1C9H7BrN2
4-ethyl-1,2,3-thiadiazole-5-carboxylic acid(SALTDATA: FREE)1,2,3-?????-5-?????,4-??-(9CI)183302-40-1C5H6N2O2S
7-Quinolinecarbaldehyde, 98%49573-30-0C10H7NO
meso-Tetra(4-carboxyphenyl)porphine, 98%?????(4-??????)???14609-54-2C48H30N4O8
Piperazine-1-carboxylic acid amide hydrochloride, 98%474711-89-2C5H12ClN3O
4-Bromo-2-(trifluoromethyl)benzenesulfonyl chloride, 98%4-???-2-(????????)??????????176225-10-8C7H3BrClF3O2S
Z-L-Isoleucine, 98%3160-59-6C14H19NO4
N-Acetylglycine, 99%543-24-8C4H7NO3
N-Fluorobenzenesulfonimide, 98%N-????????????133745-75-2C12H10FNO4S2
Bis(2-chloroethyl)amine hydrochloride, 98%821-48-7C4H10Cl3N
5-Iodocytosine, 98%1122-44-7C4H4IN3O
1,3-Bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazolium tetrafluoroborate, min. 95% SIMes-HBF41,3-BIS(2,4,6-??????)-4,5-???????????????????245679-18-9C21H27BF4N2
2,3,4-Trifluoro-6-nitroaniline, 99%148416-38-0C6H3F3N2O2
3'-Chloroindophenol SodiuM Salt [Redox Indicator]3'-???????????41350-02-1C12H9ClNNaO2
2-(2-Thienyl)pyrrolidine2-(??-2-?)????90090-64-5C8H11NS
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