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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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D-Isoascorbic acid, 99%????????89-65-6C6H8O6
Glycerokinase, 150 units/mg protein???? ???9030-66-4NULL
Tetracaine hydrochloride, 98%, a potent local anaesthetic and a channel function allosteric inhibitor??????????????136-47-0C15H25ClN2O2
1,4-Dimethoxy-2-fluorobenzene, 97%1,4-????-2-??????82830-49-7C8H9FO2
2-Methyl-5-phenylfuran-3-carbonyl chloride, 97%2-??-5-????-3-???????175276-57-0C12H9ClO2
1,4-Butane sultone, 99%1633-83-6C4H8O3S
2-Morpholino-8-phenylchromone, 98%154447-36-6C19H17NO3
1-(4-Cyanophenyl)piperazine, 97%68104-63-2C11H13N3
2,2,3,4,4,4-Hexafluorobutyl acrylate, 96%, stabilized with TBC2,2,3,4,4,4-??????????????54052-90-3C7H6F6O2
3,4-Dichlorothiophene 1,1-Dioxide3,4-???????1,1-?????52819-14-4C4H2Cl2O2S
2-Methoxythioanisole2388-73-0C8H10OS
Phenylthiohydantoin-DELTA-threonine5800-50-0C11H10N2OS
6-methyl-2-pyrrolidin-2-yl-1H-benzimidazole(SALTDATA: 2HCl)6-??-2-????-2-YL-1H-??????885278-00-2C12H15N3
Ethyl 2-anilino-4-chloro-5-formyl-3-thiophenecarboxylate??2-????-4-???-5-???-3-?????????78267-24-0C14H12ClNO3S
1H-Benzimidazole-2-ethanamine dihydrochloride, 97%1H-??????-2-???????,974499-07-4C9H13Cl2N3
2-(3,5-dimethyl-1H-1,2,4-triazol-1-yl)-1-propanol(SALTDATA: FREE)1060817-28-8C7H13N3O
2,2-DiMethyl-1,3-dichloropropane2,2-???-1,3-???????29559-55-5C5H10Cl2
2,3-Difluoro-4-hydroxybenzaldehyde2,3-?????-4-???????????676500-39-3C7H4F2O2
N-4-Cbz-2-piperazinecarboxylic acid64172-98-1C13H16N2O4
4,6-Dichloro-2-Methyl-1H-indole4,6-????-2-????886362-21-6C9H7Cl2N
5-Carboxy-2-chloro-4-fluorobenzeneboronic acid957066-06-7C7H5BClFO4
(S)-3-N-Cbz-Aminopiperidin-2-one(S)-3-CBZ-AMINO-2-????95582-17-5C13H16N2O3
4-Fluoro-3-formyl-benzoic acid, 97%4-????-3-???-???845885-90-7C8H5FO3
2,4-Bis-(trifluoromethyl)pyrimidine-5-carboxylic acid, 95%2,4-??(????????)????-5-?????188781-46-6C7H2F6N2O2
4-Chloro-1H-pyrazolo[3,4-d]pyrimidine, 96%5399-92-8C5H3ClN4
5-Chloro-2-nitroaniline, 98%5-???-2-??????1635-61-6C6H5ClN2O2
p-Toluenesulfonamide, 98%??-?????????70-55-3C7H9NO2S
Magnesium hexafluorosilicate hexahydrate, 98%???? ????????18972-56-0F6H2MgOSi
4-Nitrophenyl palmitate, 98%4-??????????1492-30-4C22H35NO4
4-Isopropylbenzylamine, 98%4395-73-7C10H15N
Ethyl 2-methyl-4-(trifluoromethyl)-1,3-thiazole-5-carboxylate 97%??4-(????????)-2-?????-5-???????117724-62-6C8H8F3NO2S
Arlacel? A25339-93-9C24H44O6
Carnosol, 98%, from Rosemarinus officinalis5957-80-2C20H26O4
[3-(2-Aminoethyl)aminopropyl]dimethoxysilane, 97%N-(3-(????????)???)-1,2-?????3069-29-2C8H22N2O2Si
4-(3-AMinopropyl)thioMorpholine 1,1-Dioxide4-(3-??????)??????1,1-?????90000-25-2C7H16N2O2S
2,3-DiMethylcyclohexanol (Mixture of isoMers)?????????(2,3-)1502-24-5C8H16O
2-Amino-1-(4-methyl-piperazin-1-yl)-ethanone x 2 HCl, 98%146788-11-6C7H17Cl2N3O
6-Chloro-1-hydroxybenzotriazol, 99%26198-19-6C6H4ClN3O
3-Amino-2-butenoic acid ethyl ester, 99%3-???-2-?????????7318-00-5C6H11NO2
1,2-Bis(dicyclohexylphosphino)ethane, min. 98%23743-26-2C26H48P2
1H-Indole-5-boronic acid pinacol ester, 97%269410-24-4C14H18BNO2
7-Deazahypoxanthine, 97%3680-71-5C6H5N3O
D-Mannosamine hydrochloride, 98%5505-63-5C6H14ClNO5
4-Hydroxyphthalic acid, 98%610-35-5C8H6O5
6-Chloro-3-indolyl-alpha-D-mannopyranoside425427-88-9C14H16ClNO6
(4S)-1-Boc-4-Methyl-L-proline(2S,4S)-N-Boc-4-??????-2-?????364750-81-2C11H19NO4
1-(4-Acetylphenyl)-2-thiourea71680-92-7C9H10N2OS
6,7-Dichloro-2-methyl-3-(trifluoromethyl)quinoxaline143309-87-9C10H5Cl2F3N2
4-Carbamoyl-2-fluorobenzeneboronic acid4-????-2-?????????874289-22-2C7H7BFNO3
N-4,N-4-Diethyl-2-methyl-1,4-benzenediamine4-???-N,N-??????-m-?????????????148-71-0C11H18N2
tert-AMylaMine??-????594-39-8C5H13N
Perfluoroisononyl iodide??????????????865-77-0C9F19I
1-Benzyl-1H-indazole-3-carboxylic acid1-??????-3-?????41354-03-4C15H12N2O2
PentabroMotoluene???????? ; 2,3,4,5,6-????????87-83-2C7H3Br5
4-Amino-2,3-difluorophenol163733-99-1C6H5F2NO
Diallyl 1,4-Cyclohexanedicarboxylate (cis- and trans- Mixture)???1,4-?????????????(?????????)20306-22-3C14H20O4
2-Chloro-5-(Trifluoromethyl)benzaldehyde, 98%2-???-5-??????????????82386-89-8C8H4ClF3O
1,10-Phenanthroline monohydrate, 99%, indicator, ACS reagent1,10-?????(1???)5144-89-8C12H8N2.H2O
2-Benzoxazolinone, 98%2(3H)-??????59-49-4C7H5NO2
Potassium sorbate, 99%???? ??24634-61-5C6H7KO2
4-Fluorocinnamaldehyde, 95%24654-55-5C9H7FO
(3S)-(-)-3-(TrifluoroacetaMido)pyrrolidine Hydrochloride(3S)-(-)-3-(????????????)???????132883-43-3C6H10ClF3N2O
8-Bromo-2-methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole5055-01-6C12H13BrN2
(1R,2S)-2-(DibutylaMino)-1-phenyl-1-propanol115651-77-9C17H29NO
2-[(4-Chlorophenyl)thio]benzaldehyde2-(4-???????)?????107572-07-6C13H9ClOS
Perfluorooctene-1?????-1559-14-8C8F16
Trimethylsilylacetylene, min. 97%1066-54-2C5H10Si
1-(methylamino)cyclopentanecarboxylic acid(SALTDATA: HCl)1-(?????)???????????(SALTDATA:HCl)22649-36-1C7H13NO2
Carbonic anhydrase froM bovine erythrocytes ca. 1.5 U/Mg lyophil.?? ????9001-03-0NULL
2-methyl-4-phenyl-1H-imidazole(SALTDATA: FREE)2-??-4-??-1H-????13739-48-5C10H10N2
Boc-L-phenylglycinol, 98%117049-14-6C13H19NO3
Magnesium titanate, tech. gr., (~85%)?? ???? ????12032-30-3MgO3Ti
tert-Butyl 6-hydroxy-3,4-dihydroisoquinoline-2(1H)-carboxylate158984-83-9C14H19NO3
4,6-dichloro-1,3-dimethyl-1H-pyrazolo[3,4-d]pyrimidine, 95%4,6-????-1,3-???-1H-????[3,4-D]????1072895-86-3C7H6Cl2N4
Sialylglycopeptide189035-43-6C112H189N15O70
3-TrifluoroMethylbutyric acid3-????????????348-75-4C5H7F3O2
6-Chloro-2-fluoro-3-methylbenzyl alcohol6-???-2-????-3-??????261762-84-9C8H8ClFO
Ethyl 2-cyano-3-methyl-2-butenoate, 97%759-58-0C8H11NO2
2-[2-(Bromomethyl)phenyl]thiophene, 95%2-[2-(?????)??]???791078-04-1C11H9BrS
1-(2,4-Difluoro-phenyl)-piperazine dihydrochloride1-(2,4-???????)????????115761-77-8C10H14Cl2F2N2
5-(Aminomethyl)-4-methyl-2-phenyl-1,3-thiazole 97%(4-??-2-??-1,3-???-5-?)????165735-95-5C11H12N2S
2,2,2-Trifluoroethyl trichloromethane-sulfonate2,2,2-????????????????????23199-56-6C3H2Cl3F3O3S
Yttrium(III) neodecanoate, superconductor grade (12-16% Y) (99.9%-Y) (REO)???(III)???????68683-17-0C30H57O6Y
2,2,3,3,4,4,4-Heptafluorobutylamine, min. 97%374-99-2C4H4F7N
1-(2-Nitrophenyl)imidazolidin-2-one1-(2-???-??)-??????-2-?500890-58-4C9H9N3O3
4',4''(5'')-Diacetyldibenzo-18-crown-6, 98%68817-65-2C24H28O8
n-Propyldichlorophosphine, min. 98%15573-31-6C3H7Cl2P
4'-Hydroxy-biphenyl-3-carboxylic acid3-(4-??????)???121629-21-8C13H10O3
Lithium 5-bromopyridine-2-carboxylate??5-???-???-2-???????909711-99-5C6H5BrLiNO2
3,3',4-Trichlorobenzhydrol3,3',4-??????????844683-48-3C13H9Cl3O
1,3-Benzodioxol-5-ylacetyl chloride 97%??[1,3]DIOXOL-5-YL-????????6845-81-4C9H7ClO3
4-(3,5-Bis-trifluoromethylphenyl)thiazol-2-ylamine4-(3,5-??-??????????)???-2-???284665-40-3C11H6F6N2S
3-(N,N-Diisopropylaminocarbonyl)benzeneboronic acid 98%3-(???????????)?????850567-40-7C13H20BNO3
1-Methyl-5-trifluoromethyl-1H-pyrazole-4-carboxylic acid, 97%1-??-5-(????????)-1H-???-4-?????119083-00-0C6H5F3N2O2
5- tert -Butyl-2-piperidin-1-ylmethyl-furan-3-carboxylic acid435342-03-3C15H24ClNO3
4-[2-(Bromomethyl)phenoxy]tetrahydropyran , 97%2-(????????-4-???)???????906352-69-0C12H15BrO2
2-(4-phenylpiperidin-1-yl)ethanol(SALTDATA: FREE)56953-33-4C13H19NO
3-Aminoisoxazole-4-carbonitrile , 97%3-???????-4-?????258518-65-9C4H3N3O
1-(5-methyl-2-pyridinyl)-1-propanamine(SALTDATA: 2HCl)1210514-03-6C9H14N2
2-(4-Isocyanatophenyl)furan , 95%2-(4-????????)??859850-66-1C11H7NO2
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