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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-Hydroxy-3-isothiocyanatobutyric acid lactone4-HYDROXY-3-??????????????61315-63-7C5H5NO2S
1-[5-(4-chlorophenyl)-2-furyl]methanamine(SALTDATA: HCl)5-(4-?????)-2-??]????39170-14-4C11H10ClNO
Tris(i-propylcyclopentadienyl)neodymium (99.9%-Nd) (REO)69021-85-8C24H21Nd
(+)-6,6'-{[(1R,3R)-1,3-Dimethyl-1,3-propanediyl]bis(oxy)}bis[4,8-bis(t-butyl)-2,10-dimethoxy-bibenzo[d,f][1,3,2]dioxaphosphepin], min. 95% (R,R)-Chiraphite149646-83-3C49H66O10P2
1-(2,3-dihydro-1,4-benzodioxin-2-yl)-N-methylethanamine(SALTDATA: FREE)2-(1-???????)-1,4-?????67011-31-8C11H15NO2
Coelenterazine hcp, 90%??????HCP123437-32-1C25H25N3O2
1-(2-thienylsulfonyl)piperazine(SALTDATA: HCl)1-(2-??????)????(?????:HCl)565178-12-3C8H12N2O2S2
(2Z)-2-benzylidene-1,3-dioxoindane-5-carboxylic acid(SALTDATA: FREE)40462-12-2C17H10O4
(4-Methoxyphenyl)(MethylaMino)acetic acid (SALTDATA: FREE)91012-98-5C10H13NO3
3,5-Dibenzyloxyphenylglyoxal hydrate 95%3,5-DIBENZYLOXYPHENYLGLYOXAL???59229-14-0C22H20O5
1-(2,6-Dimethyl-phenyl)-pyrrole-2,5-dione1-(2,6-????-??)-??-2,5-???1206-49-1C12H11NO2
Tetrakis(ethylthio)tetrathiafulvalene [Organic Electronic Material]2,3,6,7-?????(????)????????104515-79-9C14H20S8
2-Phenylamino-malonic acid diethyl ester???2-?????????6414-58-0C13H17NO4
1-(1-ethyl-3,5-dimethyl-1H-pyrazol-4-yl)-N-methylmethanamine(SALTDATA: FREE)(1-ETHYL-3,5-DIMETHYL-1H-PYRAZOL-4-YLMETHYL)-??-??956373-21-0C9H17N3
4-(5-Fluoro-2-hydrazinopyrimidin-4-yl)morpholine, 95%118121-89-4C8H12FN5O
2-[(4-methyl-2-quinolinyl)thio]propanoic acid(SALTDATA: FREE)462068-47-9C13H13NO2S
4-chloro-3',4',5',-trifluorobenzophenone4-???-3',4',5'-??????????746651-96-7C13H6ClF3O
(4-Oxo-6,7-dihydro-4H,5H-cyclopenta[4,5]thieno-[2,3-d]pyrimidin-3-yl)-acetic acid, 97%371206-03-0C11H10N2O3S
Furfuryl methacrylate, 95%, stabilized with MEHQ???????????3454-28-2C9H10O3
3-Chloro-4-(hydrazinocarbonyl)benzeneboronic acid 97%3-CHLORO-4-(HYDRAZINOCARBONYL)?????850589-37-6C7H8BClN2O3
Pyrazolo[1,5-a]pyridine-7-carbaldehyde362661-83-4C8H6N2O
Mono-(trimethylsilyl)-phosphite??-(??????)?????91076-68-5C3H11O3PSi
2-(2,4-Dichlorophenoxy)benzonitrile , 97%2-(2,4-???????)?????175136-80-8C13H7Cl2NO
[2-(piperazin-1-ylmethyl)phenyl]methanol(SALTDATA: FREE)887029-37-0C12H18N2O
2-(2,6-dimethylphenoxy)-N-methylethanamine(SALTDATA: HCl)14573-22-9C11H17NO
2,3-dihydrobenzofuran-5-ol, 95%2,3-?????-????-5-OL40492-52-2C8H8O2
Rhodin G7 SodiuM Salt84581-15-7C34H31N4O7.3Na
AMberlite CG-50-type 1, ion-exchange resin??CG-509042-11-9N/A
N-benzylcyclopentanamine(SALTDATA: HCl)N-??????????15205-23-9C12H17N
2,4-Dichloro-5H,6H,7H-cyclopenta[d]pyrimidine5466-43-3C7H6Cl2N2
2-(Chloromethyl)-6-(trifluoromethyl)-imidazo[1,2-a]pyridine2-(?????)-6-(????????)-????[1,2-a]???118000-42-3C9H6ClF3N2
Nalpha-(2,4-Dinitrophenyl)-L-arginine1602-42-2C12H16N6O6
Isothiazole-5-carboxylic acid5-??????????10271-85-9C4H3NO2S
(2Z)-N-allyl-3-chlorobut-2-en-1-amine(SALTDATA: HCl)683769-64-4C7H12ClN
Crotonyl chloride, 90%625-35-4C4H5ClO
5-[(4-Benzyloxy)benzyl]-2,4-diaminopyrimidine5-[(4-????)??]-2,4-????????49873-11-2C18H18N4O
Boc-Met(O)-OH34805-21-5C10H19NO5S
(5-Trimethylsilanylethynyl-pyridin-2-yl)-carbamic acid tert-butyl ester(5-TRIMETHYLSILANYLETHYNYL-PYRIDIN-2-YL)-???TERT-BUTYL????470463-41-3C15H22N2O2Si
N,N-Diethyl-4-piperidinamine dihydrochlorideN,N-???-4-??????????50534-25-3C9H22Cl2N2
3-Methyl[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-amine3176-51-0C4H5N5S
5-Chloro-4-methoxythiophene-3-carbonyl chloride5-???-4-??????-3-???????175137-49-2C6H4Cl2O2S
2-BroMo-4,5-diMethoxybenzyl Alcohol54370-00-2C9H11BrO3
Direct Yellow 448005-52-5C27H20N6Na2O8S
Ethyl 2-amino-α-(methoxyimino)-4-thiazoleacetate, 99%??2-(2-??????-4-?)-2-???????????64485-88-7C8H11N3O3S
1-(2-bromobutanoyl)pyrrolidine(SALTDATA: FREE)1-(2-???????)????1119450-19-9C8H14BrNO
1,5-Dibromo-3-methylpentane, 98%1,5-????-3-????4457-72-1C6H12Br2
3-bromo-5-fluoro-1H-indazole, 95%3-???-5-????(1H)INDAZOLE885519-08-4C7H4BrFN2
Bis-(4-methoxybenzyl)-amineBIS-(4-???-??)-??17061-62-0C16H19NO2
5-Pyrrolidin-1-yl-1,3,4-thiadiazol-2-amine, 90%5-????-1-YL-1,3,4-?????-2-??71125-45-6C6H10N4S
ethyl 2-amino-5-(aminocarbonyl)-4-methylthiophene-3-carboxylate(SALTDATA: FREE)2-???-5-????-4-??-???-3-??????????43028-63-3C9H12N2O3S
N-[(9H-Fluoren-9-ylMethoxy)carbonyl]-pentafluoro-L-phenylalanineFMOC-L-???????????205526-32-5C24H16F5NO4
Fmoc-β-HoIle-OH193954-27-7C22H25NO4
Nonasaccharide Glc4Xyl3Gal2129865-06-1C51H86O43
2-(4-Chlorobenzyl)pyridine4350-41-8C12H10ClN
4-(Boc-amino)-1-cyclopropyl-piperidine, 98%4-(BOC-???)-1-??????-????534595-68-1C13H24N2O2
4-Diethylaminomethyl-5-isobutyl-2-methyl-furan-3-carboxylic acid435341-96-1C15H25NO3
3-Bromopyridine-N-oxide, 97%2402-97-3C5H4BrNO
Tungsten carbide (99.5%-W)??? ????12070-12-1CW
Ethyl 3-[(dimethylamino)methyl]-5-methoxy-1H-pyrrolo[2,3-c]pyridine-2-carboxylate, 98%411239-11-7C14H19N3O3
Boc-(2S,4S)-4-phenyl-pyrrolidine-2-carboxylic acid(2S,4S)-BOC-4-??-????-2-?????96314-29-3C16H21NO4
4-(5-Formyl-2-furyl)benzoic acid4-(5-FORMYL-2-FURYL)???39245-15-3C12H8O4
3-(1H -Benzoimidazol-2-yl)-2,3-dihydroxy-propionic acid3-(1H-BENZOIMIDAZOL-2-YL)-2,3-?????-?????49671-84-3C10H10N2O4
2-BroMo Melatonin2-???????142959-59-9C13H15BrN2O2
Ethyl 3-(4-chlorophenyl)-2-cyanoacrylate2169-68-8C12H10ClNO2
AQ-RA 741123548-16-3C27H37N5O2
4-N-Boc-amino-piperidine-4-carboxylic acid methylester4-N-BOC-???-????-4-???????????115655-44-2C12H22N2O4
2',4',6'-Trifluoropropiophenone2",4",6"-????????????220141-69-5C9H7F3O
2,6-Difluorobenzoyl isocyanate, tech., 80%60731-73-9C8H3F2NO2
Hexyl p-ToluenesulfonateP-???????N-??????3839-35-8C13H20O3S
3-Quinuclidinone oxime3-????????35423-17-7C7H12N2O
2-Hydroxy-4-methylpyrimidine, 97%15231-48-8C5H6N2O
2-Naphthyl Laurate6343-73-3C22H30O2
4-CarbaMoyl-1-hexadecylpyridiniuM Chloride4-?????-1-n-?????????????377085-58-0C22H39ClN2O
4,4'-Bis(trans-4-propylcyclohexyl)-2-fluorobiphenyl1,1'-????,2-????-4,4'-??(???-4-?????????)-102714-93-2C30H41F
2-Iminobiotin2-???????????????13395-35-2C10H17N3O2S
n-Octyl Nicotinate70136-02-6C14H21NO2
3-Amino-4-methylbenzamide, 98%19406-86-1C8H10N2O
Dimethyl pimelimidate dihydrochloride, 98%58537-94-3C9H19ClN2O2
cis-Decahydronaphthalene???(??)493-01-6C10H18
(quinazolin-4-yloxy)acetic acid(SALTDATA: FREE)(????-4-???)-????842959-64-2C10H8N2O3
4-Cyano-3-fluorophenyl 4-(trans-4-propylcyclohexyl)-benzoate3-????-4-????????-4-(4-n-?????????)-?????92118-82-6C23H24FNO2
1-(2-chlorobenzyl)piperidin-4-amine(SALTDATA: 2HCl)1-(2-?????)????-4-??92539-15-6C12H17ClN2
1,5-dimethyl-1H-pyrazole-4-carboxylic acid(SALTDATA: FREE)1,5-???-1H-???-4-?????31728-75-3C6H8N2O2
8-fluoro-2-methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole(SALTDATA: FREE)64368-85-0C12H13FN2
(1E)-1H,2H-Perfluoroprop-1-ene??????????29118-24-9C3H2F4
2-Acetylamino-5-bromo-4-methylpyridine, 97%142404-82-8C8H9BrN2O
5-Bromo-6-nitrobenzo(1,3)dioxole5-???-6-?????(1,3)???7748-58-5C7H4BrNO4
4-allyl-5-cyclohexyl-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)590376-61-7C11H17N3S
2-methyl-4,5,6,7-tetrahydro[1,3]thiazolo[5,4-c]pyridine(SALTDATA: 2HCl)2-??-4,5,6,7-??????-????[5,4-C]???124458-27-1C7H10N2S
(2-BroMophenyl)urea(2-?????)???13114-90-4C7H7BrN2O
Purine nucleoside Phosphorylase, 200 units/mg?????????????9030-21-1C10H12N4O4
2,4-Difluorostyrene2,4-?????-1-??-??399-53-1C8H6F2
Sn(IV) Meso-Tetra (4-Pyridyl) Porphine DichlorideSn(IV)??-???(4-???)??????87261-83-4C40H24Cl2N8Sn
2-cyclopropyl-6-oxo-1,6-dihydro-5-pyrimidinecarboxylic acid(SALTDATA: FREE)2-???????-6-??-1,6-?????-5-?????????(SALTDATA:??)1219561-35-9C8H8N2O3
Diphenyldiacetoxysilane (Diacetoxydiphenylsilane)??????????2565-07-3C16H16O4Si
(2,2-Dichloro-1-methylcyclopropyl)benzene, 95%2,2-????-1-??????????3591-42-2C10H10Cl2
3-[(2,2-dimethylpropanoyl)amino]-2-methylbenzoic acid(SALTDATA: FREE)312317-36-5C13H17NO3
5-Chloro-2-MercaptobenziMidazole25369-78-2C7H5ClN2S
N-Methyl-2-piperidineMethyl Chloride2-(?????)-1-??????49665-74-9C7H14ClN
2,6-DiMethylbenzylaMine2,6-???????74788-82-2C9H13N
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