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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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5-Bromo-N-cyclopentylpyridine-2-carboxamide5-???-N-???????????845305-91-1C11H13BrN2O
2-Hydroxy-4-nitrobenzonitrile39835-14-8C7H4N2O3
1-[(4-ethylphenyl)sulfonyl]piperazine(SALTDATA: FREE)1-[(4-????)???]????(?????:??)777879-15-9C12H18N2O2S
4-Bromo-1,3-dimethyl-1H-pyrazole-5-carboxylic acid, 95%4-???-1,3-???-1H-???-5-?????5775-88-2C6H7BrN2O2
2-Hydroxy Hippuric Acid487-54-7C9H9NO4
(S)-(-)-3-Hydroxypiperidine hydrochloride, 98%(S)-3-???????????475058-41-4C5H12ClNO
Estrone 3-Methyl Ether????3-?????1624-62-0C19H24O2
4-chloro-2-oxoindoline-3-carbaldehyde(SALTDATA: FREE)23872-23-3C9H6ClNO2
5-Methyl-1H-benzotriazole, 99%136-85-6C7H7N3
2-Nitro-1,4-phenylenediamine, 95%2-????-1,4-???????5307-14-2C6H7N3O2
N-Methyl-N-(3-trifluoromethylphenyl)thiocarbamoylchloride83508-62-7C9H7ClF3NS
5-Bromo-2-fluoro-4-iodotoluene5-???-2-????-4-???????202865-75-6C7H5BrFI
4-Acetamidopiperidine, 97%4-??????????5810-56-0C7H14N2O
Dimethyl adipate, 99%???? ???627-93-0C8H14O4
2-Amino-1,3-propanediol, 99%534-03-2C3H9NO2
1-Methylindoline-5-carboxaldehyde 97%1-?????-5-????????60082-02-2C10H11NO
MonoMethyl Sebacate818-88-2C11H20O4
3-Bromo-1-propanol, 97%3-???-1-????627-18-9C3H7BrO
4-Trifluoroacetyl-3-methyl-1-phenyl-5-pyrazolone, 98%1691-93-6C12H9F3N2O2
Diethyl iminodiacetate, 98%??? ????????6290-05-7C8H15NO4
Maritimein with hplc????490-54-0C21H20O11
Lead(II) telluride, 99.999%, trace metals basis?(II) ??????1314-91-6PbTe
3-(1-Boc-piperazin-4-yl)-propionic acid, 98%3-(1-TERT-???????????-4-?)?????242459-97-8C12H22N2O4
(R)-(+)-Styrene Oxide20780-53-4C8H8O
6-Hydroxy-1,2,3,4-tetrahydro-isoquinoline-1-carboxylic acid6-????-1,2,3,4-???????????-1-?????91523-50-1C10H11NO3
Potassium selenocyanate, 99%??? ?????????3425-46-5CKNSe
N-(3-methylphenyl)-N-(methylsulfonyl)glycine(SALTDATA: FREE)363571-47-5C10H13NO4S
3,4-Dimethylthieno[2,3-b]thiophene-2-carboxaldehyde3,4-??????[2,3-B]???-2-??????159709-36-1C9H8OS2
4-Methoxy-2-(trifluoromethyl)benzaldehyde, 98%4-???-2-(????????)??????106312-36-1C9H7F3O2
Hesperidin, 98%??? P520-26-3C28H34O15
1-[1-(3-methoxyphenyl)-1H-pyrazol-4-yl]ethanone(SALTDATA: FREE)1015846-11-3C12H12N2O2
Benzyl Chloroacetate140-18-1C9H9ClO2
2-AMino-5-Methyl-3-thiophenecarbonitrile138564-58-6C6H6N2S
4-n-butyl-4'-tert-butylbenzophenone4-N-??-4'-TERT-??????95282-55-6C21H26O
1-Trityl-1H-imidazole-2-carboxaldehyde1-???????-2-????????67478-50-6C23H18N2O
1,3-Dihydroxyacetone OxiMe1,3-???????????37110-18-2C3H7NO3
4,5-Diamino-2-fluorobenzotrifluoride 97%4,5-????-2-??????????????179062-06-7C7H6F4N2
Diethylgermane??????1631-46-5C4H12Ge
4-Chloro-7-methylthieno[3,2-d]pyrimidine, 97%175137-21-0C7H5ClN2S
2,3-Difluoro-4-hydroxybenzonitrile2,3-?????-4-??????????126162-38-7C7H3F2NO
3,5-dimethyl-1-propyl-1H-pyrazol-4-amine(SALTDATA: HCl)3,5-???-1-???-1H-???-4-??(SALTDATA:HCl)97893-09-9C8H15N3
Manganese(II) nitrate, 50-52% aqueous solution?? ????? ??10377-66-9MnN2O6
Methyl 5-amino-2-fluorobenzenecarboxylate??5-???-2-?????????56741-34-5C8H8FNO2
3-(aminomethyl)-2-pyridinamine(SALTDATA: FREE)144288-48-2C6H9N3
2,5-Diiodofluorobenzene1,4-????-2-??????147808-02-4C6H3FI2
2-amino-4-(4-tert-butylphenyl)-5-methylthiophene-3-carboxamide(SALTDATA: FREE)861451-49-2C16H20N2OS
3-[(2-methylbutanoyl)amino]benzoic acid(SALTDATA: FREE)3-[(2-??????)???]???890983-61-6C12H15NO3
2,2'-Bipyridine-4,4'-dicarboxylic acid, 98%6813-38-3C12H8N2O4
1,1,2,2-Tetrafluoropropane (FC-254cb) 97%40723-63-5C3H4F4
(R)-(+)-Glycidol, 98%(R)-(+)-????57044-25-4C3H6O2
2-(Tributylstannyl)pyridine, 95%17997-47-6C17H31NSn
Diisopropyl Sulfate?????? ???2973-10-6C6H14O4S
3-Morpholino SydnoniMine Hydrochloride3-?????????????16142-27-1C6H11ClN4O2
2-BroMo-2-Methylbutane??-???????507-36-8C5H11Br
4-Pyridin-2-ylisoxazol-5-amine, 97%4-???-2-?????-5-??499785-46-5C8H7N3O
5-(AMinoMethyl)benzo[b]thiophene 95%1-?????-5-?????56540-52-4C9H9NS
4-TrifluoroMethylnicotinaMide158062-71-6C7H5F3N2O
2,6-Dichloro-1-fluoropyridinium triflate, 95%130433-68-0C6H3Cl2F4NO3S
Benzothiophene-3-carboxylic acid, 97%5381-25-9C9H6O2S
5-(isobutylthio)-1,3,4-thiadiazol-2-amine(SALTDATA: FREE)5-??????-1,3,4-?????-2-??33313-07-4C6H11N3S2
Fmoc-Glu(OtBu)-Opfp, 98%86061-04-3C30H26F5NO6
2-Methyl-2-hexenoic Acid2-METHYL-2-???28897-58-7C7H12O2
3-Fluorophenylglyoxal hydrate3-????????????????121247-01-6C8H5FO2
2-Chloro-5-fluorobenzoyl chloride2-???-5-????????????21900-51-6C7H3Cl2FO
Gallium(III) nitrate hydrate (99.99%-Ga) PURATREM69365-72-6GaH6NO4
Piperonylic acid, 99%??????94-53-1C8H6O4
6-Bromopurine, 98%6-?????767-69-1C5H3BrN4
3-Iodo-5-nitro-1H-indazole, 97%70315-69-4C7H4IN3O2
Methylenebis(thioglycolic Acid)?????(??????)2068-24-8C5H8O4S2
5-(4-n-Propylphenyl)-5-oxovaleric acid5-(4-N-?????)-5-??????94670-05-8C14H18O3
1-(2-Hydroxy-ethylamino)-3-phenoxy-propan-2-ol1-(2-?????-?????)-3-???-???-2-OL29607-93-0C11H17NO3
1-Bromo-2,3,4-trichloro-1,1,2-trifluorobutane1-???-2,3,4-??????-1,1,2-????????664-03-9C4H3BrCl3F3
2-[1-(3-furylmethyl)-2-piperazinyl]ethanol(SALTDATA: FREE)2-(1-??-3-???-????-2-?)-???815655-77-7C11H18N2O2
3,5-Dioxocyclohexane-1-carboxylic acid3,5-?????????????42858-60-6C7H8O4
6-Methoxy-2,3,4,9-tetrahydro-1H-b-carbolin-1-one17952-87-3C12H12N2O2
Ecdysone3604-87-3C27H44O6
2-Amino-4,6-dimethoxypyrimidine, 97%2-???-4,6-????????36315-01-2C6H9N3O2
2-Methyl-2,8-diazaspiro[4.5]decane hemioxalate, 95%2,8-??????[4.5]??,2-??-,???(1:1)1061873-16-2C9H18N2
2-(p-Toluoyl)benzoic Acid85-55-2C15H12O3
1-(2-Methoxyethyl)-2-thiourea1-(2-?????)-2-?????102353-42-4C4H10N2OS
3-Amino-2-morpholin-4-ylpyridine2-MORPHOLINO-3-?????51627-47-5C9H13N3O
Ethyl 1-(6-methylpyrazin-2-yl)piperidine-4-carboxylate, 97%??1-(6-?????-2-?)????-4-???????886851-60-1C13H19N3O2
1-Boc-2,3-dihydropyrrole, 98%1-N-BOC-2,3-?????-??73286-71-2C9H15NO2
3-(4,4-Dimethyl-4,5-dihydro-1,3-oxazol-2-yl)-4-methylpyridine , tech68981-84-0C11H14N2O
tert-ButylsulfonaMideTERT-???????34813-49-5C4H11NO2S
Cyclohexyldiphenylphosphine, 98%???? ? ?? ?? ?? ?6372-42-5C18H21P
Praseodymium(III) acetylacetonate hydrate (99.9%-Pr) (REO)14553-09-4C15H21O6Pr
1-[(Benzyloxy)carbonyl]piperidine-4-carboxylic acid, 97%1-[(????)????]????-4-?????10314-98-4C14H17NO4
4-(4-Phenoxyphenyl)-3-thiosemicarbazide206761-85-5C13H13N3OS
2-Dicyclohexylphosphino-2'-methyl-)-1,1'-biphenyl, min. 98% MePhos251320-86-2C25H33P
(Perfluoroheptanoyl)acetone(?????????)???82822-26-2C10H5F13O2
Gallium(III) fluoride trihydrate, 99.5%??(III)???7783-51-9F3Ga
(5E)-5-(2,3-dihydroxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one(SALTDATA: FREE)590376-71-9C10H7NO3S2
1-AcetaMidoadaMantane880-52-4C12H19NO
2-Methyloctane2-????3221-61-2C9H20
3-(piperidin-1-ylcarbonyl)aniline(SALTDATA: FREE)(3-???-??)-????-1-?-???77201-13-9C12H16N2O
4-Methyl-2-(methylthio)pyrimidine-5-carboxylic acid, 97%4-??-2-(????)????-5-?????98276-75-6C7H8N2O2S
2-amino-4-chlorothiazole-5-carbaldehyde, 95%2-???-4-???-5-?????????76874-79-8C4H3ClN2OS
2,2'-Thiobis(ethylaMine)2,2'-????????871-76-1C4H12N2S
Ethyl 4-[(6-methylpyrazin-2-yl)oxy]benzoate , 97%??4-[(6-?????-2-?)??]?????906353-03-5C14H14N2O3
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