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J & K SCIENTIFIC LTD.??? ?? ??? ?????.

?? ?:J & K SCIENTIFIC LTD.
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??:China
URL: https://www.jkchemical.com
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1,4-Dichloro-2-butanol1,4-????-2-???2419-74-1C4H8Cl2O
2-(2-Methyl-1H-imidazol-1-yl)benzoic acid2-(2-??-1H-????-1-?)???159589-71-6C11H10N2O2
4'-Acetylbenzo-18-crown 6-Ether41855-35-0C18H26O7
4,9,11-Trioxatetracyclo[5.3.1.0(2,6).0(8,10)]undecan-3-one632339-23-2C8H8O4
4-(Morpholin-4-yl)butanenitrile4-???????????5807-11-4C8H14N2O
1-Isobutyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole827614-66-4C13H23BN2O2
2,6-Dichloroquinoline-3-carboxaldehyde2,6-???????-3-??????73568-41-9C10H5Cl2NO
2,3-dimethylbenzohydrazide(SALTDATA: FREE)2,3-??????????(SALTDATA:FREE)219783-74-1C9H12N2O
1-[4-(aminomethyl)benzyl]pyrrolidin-2-one(SALTDATA: FREE)1-[4-(?????)??]????-2-?(?????:??)953752-30-2C12H16N2O
2-Methoxy-4-(trifluoromethyl)benzonitrile 99%132927-08-3C9H6F3NO
2-methyl-6-(4-piperidinyl)-4-pyrimidinol(SALTDATA: 2HCl 1.5H2O)1087527-83-0C10H15N3O
Methyl 3-(2-methoxyphenyl)-2-phenylacrylate??3-(2-?????)-2-????????42307-45-9C17H16O3
3-Bromophenylacetone, 99%21906-32-1C9H9BrO
Tris(ethylenediamine)chromium(III) chloride hemiheptahydrate, min. 98%???(??????)??(III)?????16165-32-5C6H26Cl3CrN6O
Di-mu-bromobis(tri-t-butylphosphino)dipalladium(I)185812-86-6C24H56Br2P2Pd2
cis-Dichlorobis(2,2'-bipyridine)ruthenium(II) dihydrate, 99%CIS-??????(2,2'-????)???(II)????,9915746-57-3C20H20Cl2N4O2Ru
Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)terbium(III), 99% (99.9%-Tb) (REO) [Tb(TMHD)3]15492-51-0C33H57O6Tb
Diacetato[(S)-(-)-2,2'-bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl]ruthenium(II) Ru(OAc)2[(S)-H8-binap]142962-95-6C44H40P2.C4H6O4Ru
2'-fluorobiphenyl-2-carboxylic acid(SALTDATA: FREE)2'-????-???-2-?????361-92-2C13H9FO2
2-[(4-Chlorobenzoyl)amino]acetic acid(4-???-??????)-????13450-77-6C9H8ClNO3
2-Mercaptopyridine N-oxide, 96%???1121-31-9C5H5NOS
Sodium 2-ethylhexanoate, min. 97%?? 2-????????19766-89-3C8H17NaO2
2,3,5,6-Tetrachlorophenyl isothiocyanate2,3,5,6-??????????????22133-95-5C7HCl4NS
2,4-Difluoro-5-methylbenzaldehyde??????,2,4-?????-5-??-(9CI)315204-36-5C8H6F2O
1,1-Bis(3,4-diMethylphenyl)ethane1,1-??(3,4-?????)??1742-14-9C18H22
2-Amino-1-(butyldimethylsiloxy)butane2-???-1-(????????)??811841-81-3C10H25NOSi
1-(Perfluorohexyl)octane1-(???????)??133331-77-8C14H17F13
Methyl 3,4,5-Tris(benzyloxy)benzoate??3,4,5-???(????)?????70424-94-1C29H26O5
4-Methoxyphenyl α-D-mannopyranoside28541-75-5C13H18O7
5,5-Diphenylhydantoin sodium salt, 98%, a potent multi-channel blocker???? ???630-93-3C15H13N2NaO2
6-(bromomethyl)isoquinoline hydrobromide, 95%188861-57-6C10H8BrN.HBr
Piperazine citrate hydrate, 99%???? ????144-29-6C24H46N6O14
Chlorodifluoroacetic acid, 97%76-04-0C2HClF2O2
Methyl Dihydroabietate????????????????30968-45-7C21H34O2
1-Benzyl-5-(4-chlorophenyl)-2,3-dihydro-4-pyridinone1017601-63-6C18H16ClNO
6-bromo-2,3-dimethylpyridine(SALTDATA: FREE)6-???-2,3-??????99132-28-2C7H8BrN
N-(tert-Butoxycarbonyl)-L-prolinaMide35150-07-3C10H18N2O3
4-(2-Fluorophenyl)piperidine hydrochloride4-(2-??????)?????????????691875-81-7C11H15ClFN
(7-chloro-2,3-dihydro-1,4-benzodioxin-6-yl)acetic acid(SALTDATA: FREE)915921-98-1C10H9ClO4
Diethylaluminium iodide, 1.1M solution in toluene, AcroSeal2040-00-8C4H10AlI
N-ethylcyclopentanamine(SALTDATA: HCl)N-?????????45592-46-9C7H15N
1-[2-Amino-1-(4-methoxy-phenyl)-ethyl]-pyrrolidine-3-carboxylic acid886364-07-4C14H20N2O3
Dansyl-L-leucine1100-22-7C18H24N2O4S
3-(Butylaminocarbonyl)-5-nitrobenzeneboronic acid 98%3-(N-???????)-5-????????871332-89-7C11H15BN2O5
4-(2-phenylethoxy)benzaldehyde(SALTDATA: FREE)61343-82-6C15H14O2
4-(2-aminoethyl)-1-methylpiperidin-4-ol(SALTDATA: FREE)959237-87-7C8H18N2O
Hafnium(IV) dichloride oxide octahydrate (98+%-Hf, 1.5% Zr)14456-34-9Cl2H2HfO2
4-Methoxyphenyl β-D-galactopyranoside3150-20-7C13H18O7
Hexadecyl Gallate????3,4,5-???????????5026-65-3C23H38O5
(1-ethylpropyl)(2-methoxybenzyl)amine(SALTDATA: HBr)355382-11-5C13H21NO
3-Amino-4-iodobenzotrifluoride 98%105202-02-6C7H5F3IN
3-(Trihydroxysilyl) propane-1-sulfonic acid 35 % in water70942-24-4C3H10O6SSi
PotassiuM triethylborohydride, 1.0M in THF, in Sure/Seal? bottle??????????????22560-21-0C6H16BK
1-(3,5-Dimethoxyphenyl)piperazine 96%1-(3,5-DIMETHOXYPHENYL)????53557-93-0C12H18N2O2
Methyl 2,5-Dihydroxybenzoate??????????????2150-46-1C8H8O4
4-Chloro-3-Methoxy-2-Methylpyridine N-Oxide122307-41-9C7H8ClNO2
2-Octynoic acid, 98%5663-96-7C8H12O2
2-(1H-benzimidazol-1-yl)propanoic acid(SALTDATA: HCl)2-(1H-??????-1-YL)????157198-79-3C10H10N2O2
7-azaspiro[4.5]decan-6-one(SALTDATA: FREE)7-?????[4.5]??-6-?(SALTDATA:??)1215295-95-6C9H15NO
PotassiuM 3-Indoleacetate3-INDOLEACETICACID???2338-19-4C10H8KNO2
1,4-CyclohexanediMethanol Diisovalerate (cis- and trans- Mixture)1,4-??????????????????377085-57-9C18H32O4
(-)-2-Cyano-6-phenyloxazolopiperidine(-)-2-???-6-??????????88056-92-2C14H16N2O
4-(butyrylamino)benzoic acid(SALTDATA: FREE)99855-49-9C11H13NO3
4-Methylthio-3-nitrobenzotrifluoride 95%4-????-3-?????????????71236-96-9C8H6F3NO2S
4-chloro-2,6-dimethyl-3-nitropyridine, 95%15513-48-1C7H7ClN2O2
Methyl 5-Chloro-2-Methoxybenzoate33924-48-0C9H9ClO3
2,3-Dihydro-1-oxo-1H-indene-4-carbonitrile2,3-?????-1-??-1H-??-4-??????60899-34-5C10H7NO
Diethylene glycol monohexyl ether, 97%?????????????????112-59-4C10H22O3
2,3,6,7-Tetramethoxyanthraquinone2,3,6,7-???????????5629-55-0C18H16O6
1,3-Bis(1-isocyanato-1-methylethyl)benzene, 97%1,3-??(1-????????-1 ????)??2778-42-9C14H16N2O2
1,3-Dichloro-1,3-diphenyl-1,3-diMethyldisiloxane3582-72-7C14H16Cl2OSi2
3-Amino-2-[(4-chlorophenyl)sulfonyl]acrylonitrile , 97%3-???-2-[(4-?????)???]???????32083-31-1C9H7ClN2O2S
3-chloro-N-(2-isopropylphenyl)propanamide(SALTDATA: FREE)3-???-N-(2-???????)??????560078-34-4C12H16ClNO
Methyl 3,4-dibromo-5-methylbenzoate??3,4-????-5-???????1160574-54-8C9H8Br2O2
DimethylaminopentamethyldisilaneN,N-??????????????26798-98-1C7H21NSi2
ethyl 1-(4-methylphenyl)-4-oxo-3-pyrrolidinecarboxylate(SALTDATA: FREE)745043-75-8C14H17NO3
3-Bromo-1-fluoronaphthalene3-???-1-????????13772-59-3C10H6BrF
1-Benzylhydantoin1-??????6777-05-5C10H10N2O2
(1-methyl-3-morpholin-4-ylpropyl)amine(SALTDATA: FREE)(1-??-3-????-4-????)??18247-01-3C8H18N2O
cis-Pinonic acid, 98%cis-????61826-55-9C10H16O3
4-(3-Bromo-phenyl)-piperidine-2,6-dione4-(3-???-??)-????-2,6-??351534-35-5C11H10BrNO2
2-(TriMethylsilyloxy)-1,3-cyclohexadiene2-(???????)-1,3-????????54781-19-0C9H16OSi
7-Methylthieno[3,2-d]pyrimidin-4-hydrazine7-?????[3,2-D]????-4-????175137-22-1C7H8N4S
2-Phenoxyphenethylamine2-???????118468-16-9C14H15NO
(1R,2S,5R)-(-)-Menthyl (S)-p-toluenesulfinate, 97%(1R,2S,5R)-(-)-??(S)-P-????????1517-82-4C17H26O2S
1,11-Diamino-3,6,9-trioxaundecane, 98%3,6,9-?????????????929-75-9C8H20N2O3
1-(2-Biphenyl)piperazine dihydrochloride1-(2-???)????????274673-37-9C17H20N2
2-Methylisophthalonitrile2,6-???????2317-22-8C9H6N2
1-(2'-Methyl-biphenyl-4-yl)-ethanone1-(2'-??[1,1'-????]-4-YL)???56917-39-6C15H14O
2-Chloro-3-cyanoquinoline2-???-3-??????95104-21-5C10H5ClN2
5-Acetylquinoline-2,8-diol5-???-8-?????-1H-???-2-ONE62978-73-8C11H9NO3
2-methyl-2-(4-methyl-2-nitrophenoxy)propanoic acid(SALTDATA: FREE)71659-83-1C11H13NO5
3-Phenylpyridine-2-carboxylic acid3-??-2-????????103863-15-6C12H9NO2
2-p-Tolyl-imidazo[1,2-a]pyridine-3-carbaldehyde2-(4-????)????[1,2-A]???-3-???????142016-38-4C15H12N2O
3-(4-Bromo-pyrazol-1-yl)-2-methyl-propionic acid3-(4-???-???-1-YL)-2-??-?????925607-95-0C7H9BrN2O2
Inosine 5'-Monophosphate BariuM Salt Hydrate3249-92-1C10H11BaN4O8P
7-chloro-8-methyl-2-phenylquinoline-4-carboxylic acid(SALTDATA: FREE)7-???-8-??-2-????-4-????500346-26-9C17H12ClNO2
(S)-(-)-DBD-Pro-COCl [=(S)-(-)-4-(N,N-DiMethylaMinosulfonyl)-7-(2-chloroforMylpyrrolidin-1-yl)-2,1,3-benzoxadiazole][HPLC Labeling Reagent for e.e. DeterMination](S)-(-)-4-(N,N-?????????)-7-(2-?????????-1-?)?????150993-63-8C13H15ClN4O4S
Ethyl alpha-CyanocinnaMate2025-40-3C12H11NO2
4-Chlorophenyl Benzoate4-??????????2005-08-5C13H9ClO2
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