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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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Astrazon Pink FG3648-36-0C22H26Cl2N2
5-Nitro-2-pyridinecarboxylic acid, 97%30651-24-2C6H4N2O4
1,4-Diacetylbenzene, 99%1,4-??????1009-61-6C10H10O2
N-Carbobenzoxy-D-leucine DicyclohexylaMMoniuM Salt7662-58-0C14H19NO4.C12H23N
2,2-Dimethyl-1,4-dihydro-2H-benzo[d][1,3]oxazine2,2-DIMETHYL-1,4-DIHYDRO-2H-BENZO[D][1,3]???5226-51-7C10H13NO
(Mercaptopropyl)Methylsiloxane-diMethylsiloxane copolyMers(MERCAPTOPROPYL)METHYLSILOXANE–DIMETHYLSILOXANE????102783-03-9
6-Benzyloxy-5-Methoxyindole-2-carboxylic Acid6-????-5-?????-2-?????2495-92-3C17H15NO4
24-Crown 8-Ether33089-37-1C16H32O8
2,2'-Dihydroxy-4,4'-dimethoxybenzophenone, 95%????-6131-54-4C15H14O5
Azithromycin, 98%83905-01-5C38H72N2O12
N-(2,4-Dinitrophenyl)-L-phenylalanine1655-54-5C15H13N3O6
N-Fmoc-4-nitro-D-phenylalanine, 99%177966-63-1C24H20N2O6
4-Ethoxymethyl-1H-pyrazol-3-ylamine4-?????-1H-???-3-???1170043-91-0C6H11N3O
3-Methyl-2-oxovaleric Acid3-??-2-??????1460-34-0C6H10O3
N-BenzylacetoacetaMideN-???????????882-36-0C11H13NO2
7-(2-Chloroethyl)theophylline7-(2-?????)???5878-61-5C9H11ClN4O2
2',3'-Dideoxycytidine????7481-89-2C9H13N3O3
(R)-(+)-4-Hydroxy-2-pyrrolidinone, 97%22677-21-0C4H7NO2
N-(4-Amino-2-methyl-phenyl)-2-(4-methyl-piperidin-1-yl)-acetamide436090-56-1C15H23N3O
HexaMethoniuM Chloride Dihydrate??????????60-25-3C12H30Cl2N2
Glucose-6-phosphate Dehydrogenase, 500 units/mg??? 6-?? ?????9001-40-5n.a.
2-(Ethoxycarbonyl)-1H-indole-3-carboxylic acid2-(???????)-1H-??-3-?????441800-93-7C12H11NO4
4-EthoxycouMarin35817-27-7C11H10O3
Chrysophenine2,2'-(1,2'-?????)??[5-((4-?????)??]????????) ? ? ??2870-32-8C30H29N4NaO8S2
Ethylene Glycol Bis(propionitrile) Ether3386-87-6C8H12N2O2
2-(2-chloro-5-methylphenoxy)-2-methylpropanoic acid(SALTDATA: FREE)588692-86-8C11H13ClO3
(S)-(+)-5-Methyl-1-heptanol(S)-(+)-5-METHYL-1-???57803-73-3C8H18O
(S)-(-)-2-(Diphenylphosphino)-2'-methoxy-1,1'-binaphthyl, 99% (S)-MOP(S)-2-???????-2'-???-1,1'-????134484-36-9C33H25OP
N-Nitroso-N-MethylanilineN-????-N-????614-00-6C7H8N2O
N,N-Dimethylpropionamide, 99%??????????758-96-3C5H11NO
Tetraammineplatinum(II) nitrate, 99%20634-12-2[Pt(NH3)4](NO3)2
Chlorferon6174-86-3C10H7ClO3
4-epi-Oxytetracycline14206-58-7C22H24N2O9
(5-Phenyl-4H-1,2,4-triazol-3-yl)acetonitrile(5-??-4H-1,2,4-TRIAZOL-3-YL)??????86999-29-3C10H8N4
4-(2,4-dimethoxyphenyl)-1H-pyrazol-3-amine(SALTDATA: FREE)909858-12-4C11H13N3O2
D-Arginine hydrochloride, 98%627-75-8C6H15ClN4O2
4-Chloro-2,6-dimethyl-nicotinic acid, 97%4-???-2,6-???-????56022-09-4C8H8ClNO2
3-N-Boc-amino-5-bromothiophene2-???-4-(N-TERT-???????????)???494833-75-9C9H12BrNO2S
Pt(II) Octaethylporphine ketonePt(II)?????????172617-46-8C36H44N4OPt
n-Nonyltriphenylphosphonium bromide, 97%(1-??)?????????????60902-45-6C27H34BrP
N-Acetyl-D-valine17916-88-0C7H13NO3
N-[3-(Dimethylamino)propyl]methacrylamide, 99%N-[3(??????)???]???????5205-93-6C9H18N2O
Ethyl 2-(1H-pyrazol-1-yl)acetate??2-(1H-???-1-?)????10199-61-8C7H10N2O2
2-Bromo-3-chlorobenzotrifluoride384-16-7C7H3BrClF3
5-methyl-2-(1H-pyrazol-1-yl)benzaldehyde(SALTDATA: FREE)956723-07-2C11H10N2O
(1-isopropyl-1H-pyrazol-4-yl)methanol(SALTDATA: FREE)1007542-22-4C7H12N2O
N-tert-Butyl-alpha-(4-pyridyl-1-oxide)nitrone66893-81-0C10H14N2O2
β-D-Thiogalactose sodium salt, 98%42891-22-5C6H11NaO5S
Diisobutyl Ether????????628-55-7C8H18O
6-Nitro-1,3-benzoxazole6-???-1,3-?????17200-30-5C7H4N2O3
4-Methyl-2,3-dihydro-1H-pyrrolo[3,4-c]quinoline-1,3-dione , 95%27295-64-3C12H8N2O2
2,6-Diisopropylphenylimidoneophylidene[(R)-(+)-BIPHEN]molybdenum(VI), min. 97% (R) SCHROCK-HOVEYDA CATALYST329735-77-5C46H61MoNO2
4-Phenoxybutyl BroMide4-??????????1200-03-9C10H13BrO
Dansyl aMidophenyl boronic acid3-(?????)?????75806-94-9C18H19BN2O4S
2,3:5,6-Di-O-isopropylidene-α-D-mannofuranose, 98%14131-84-1C12H20O6
4-Pentyloxyphthalonitrile4-N-??????????106943-83-3C13H14N2O
4-(N-Chloroformylmethyl-N-methylamino)-7-nitro-2,1,3-benzoxadiazole, 92%, derivatization grade140164-85-8C9H7ClN4O4
SodiuM 4-AMino-5-hydroxy-2,7-naphthalenedisulfonate HydrateH ??? ????? ?5460-09-3C10H10NNaO7S2
N-ForMylethylaMine??????627-45-2C3H7NO
3-Acetyl-2,5-diMethylfuran3-????????10599-70-9C8H10O2
4,4'-Methylenebis(2-MethylcyclohexylaMine) (Mixture of isoMers)??? C 2606864-37-5C15H30N2
3,5-Dimethyl-4-methoxyphenylmagnesium bromide, 0.5 M solution in THF, J&KSeal185416-17-5C9H11BrMgO
2,2'-Bicinchoninic acid dipotassium salt hydrate, 98%63451-34-3C20H13KN2O4
Omeprazole, 98%, a proton pump inhibitor?????73590-58-6C17H19N3O3S
1-(1,3-dimethylbutyl)piperazine(SALTDATA: 2HCl)1-(1,3-?????)????(SALTDATA:2HCl)1171587-00-0C10H22N2
Chlorhexidine dihydrochloride, 96%????????????????3697-42-5C22H32Cl4N10
8-Anilino-1-naphthalenesulfonic acid, 95%8-????-1-?????? ?82-76-8C16H13NO3S
3-Cyanobenzoyl chloride, 97%1711-11-1C8H4ClNO
(2-chloro-7-methyl-3-quinolinyl)methanol(SALTDATA: FREE)(2-CHLORO-7-?????-3-YL)???170848-22-3C11H10ClNO
Glycerol ForMal (Mixture of 1,3-Dioxan-5-ol and 4-HydroxyMethyldioxolane)???????86687-05-0C4H8O3
Bis(2,2,6,6-tetramethyl-3,5-heptanedionato)strontium hydrate [Sr(TMHD)2]BIS(2,2,6,6-?????-3,5-???????)???????[SR(TMHD)2]199445-30-2C22H38O4Sr
Isoserine, 98%565-71-9C3H7NO3
3-Chloro-3',5'-diMethylbenzophenone3-???-3',5'-???????844884-98-6C15H13ClO
4-AMino-2-nitrophenol4-???-2-??????119-34-6C6H6N2O3
Bis(triphenylphosphine)nickel(II) bromide, 99%14126-37-5C36H30Br2NiP2
4-(MethoxyMethyl)benzoic acid (SALTDATA: FREE)4-(?????)???67003-50-3C9H10O3
Hexyl 6-AMinohexanoate p-Toluenesulfonate1926-86-9C19H33NO5S
Tetramisole hydrochloride, 99%5086-74-8C11H13ClN2S
Trihexyl(tetradecyl)phosphoniuM bis(2,4,4-triMethylpentyl)phosphinate CYPHOS? IL 104????104465527-59-7C48H102O2P2
L-4-Hydroxyproline methyl ester hydrochloride, 98%40216-83-9C6H12ClNO3
TerbiuM(III) nitrate hexahydrate (99.9%-Tb) (REO)57584-27-7H3NO4Tb
2-(4-Nitrophenyl)-4,4,5,5-tetraMethyliMidazoline-3-oxide-1-oxyl Free Radical38582-73-9C13H16N3O4*
Terbinafine hydrochloride, 98%78628-80-5C21H26ClN
2-methoxy-2-methylpropanoic acid(SALTDATA: FREE)2-???-2-??????13836-62-9C5H10O3
2,7-Diphenyl[1]benzothieno[3,2-b][1]benzothiophene2,7-DIPHENYL[1]?????[3,2-B][1]?????900806-58-8C26H16S2
Oxodiperoxy(pyridine)(1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone)molybdenum(IV), min. 95%OXODIPEROXY(PYRIDINE)(1,3-DIMETHYL-3,4,5,6-TETRAHYDRO-2(1H)-PYRIMIDINONE)????(IV)128575-71-3C11H17MoN3O6
1,1'-Dipropylhafnocene Dichloride1,1'-????????????85722-06-1C16H14Cl2Hf
4-(3-nitro-1H-1,2,4-triazol-1-yl)butan-2-one(SALTDATA: FREE)60728-92-9C6H8N4O3
Glutenin from Wheat????9061-41-0
n-OctanaMideN-?????629-01-6C8H17NO
2-amino-N-(3,4-dimethylphenyl)benzamide(SALTDATA: FREE)2-???-N-(3,4-?????)????102630-81-9C15H16N2O
Cerium(III) acetylacetonate hydrate (99.9%-Ce) (REO)???????????15653-01-7C15H21CeO6
5-bromo-2-isopropyl-1H-imidazole(SALTDATA: FREE)5-???-2-?????-1H-????(SALTDATA:FREE)1256643-65-8C6H9BrN2
Diveratryl Ether????????23702-54-7C18H22O5
9-methyl-2,3,4,9-tetrahydro-1H-carbazol-1-one(SALTDATA: FREE)1485-19-4C13H13NO
1-Aminopiperazine30651-60-6C4H11N3
2-Hydroxy-3-(trifluoroMethyl)phenylboronic acid2-HYDROXY-3-(????????)?????1072944-17-2C7H6BF3O3
Ethyl 3,5-bis(trifluoromethyl)phenyl-2-oxoacetate, tech??2-[3,5-BIS(????????)??]-2-??????402568-10-9C12H8F6O3
1-[1-(3-fluorophenyl)cyclopentyl]methanamine(SALTDATA: FREE)?????????,1-(3-??????)-(9CI)?????????,1-(3-??????)-(9CI)359715-61-0C12H16FN
2,6-Bis(2,6-diMethyl-1-naphthoyl)naphthalene2,6-BIS(2′,6′-DIMETHYL-1′-NAPHTHOYL)????157585-49-4C36H28O2
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