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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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3-Iodo-2-methylbenzonitrile3-???-2-???????52107-66-1C8H6IN
3-N-Boc-Amino-1-[2-amino-1-(4-bromo-phenyl)-ethyl]-pyrrolidine886365-21-5C17H26BrN3O2
6-Chloro-4-methylquinolin-2-ol6-???-2-????-4-?????2585-04-8C10H8ClNO
5-Fluoro-2-methoxy-3-nitroacetophenone5-????-2-???-3-????????685852-18-6C9H8FNO4
Methyl 2-(2-quinoxalinylsulfanyl)acetate??2-(2-????????)?????55338-14-2C11H10N2O2S
2,2-Dimethyl-5-(2-tetrahydropyrrolylidene)-1,3-dioxane-4,6-dione, 98%70912-52-6C10H13NO4
(2R,3S)-1-Carboxy-4-ethyl-2,3-dihydroxy-cyclohexa-4,6-diene, sodium salt, 85%205652-53-5C9H11NaO4
Potassium (3-fluoro-4-methoxyphenyl)trifluoroborate??(3-FLUORO-4-METHOXYPHENYL)??????????850623-62-0C7H6BF4KO
Methyl 2-aMino-4-Methyl-3-thiophenecarboxylate??2-???-4-??-3-??????????4651-98-3C7H9NO2S
5-(4-Chloro-phenyl)-oxazole-4-carboxylic acid5-(4-?????)???-4-?????143659-14-7C10H6ClNO3
Nitrendipine39562-70-4C18H20N2O6
3-BroMo-3',4'-diMethylbenzophenone3-???-3',4'-???????844879-49-8C15H13BrO
trans-Cyclopropane-1,2,3-tricarboxylic acid trimethyl ester, 98%DL-???-???????-1,2,3-???????????????717-69-1C9H12O6
TetrabutylaMMoniuM DichlorobroMide???-N-??????????????13053-75-3C16H36BrCl2N
PotassiuM 3,5-Diiodosalicylate3,5-???????????17274-17-8C7H5I2NaO3
2-methyl-4-oxo-4,5,6,7-tetrahydro-1H-indole-3-carboxylic acid(SALTDATA: FREE)1114596-35-8C10H11NO3
2-(1,3-Benzodioxol-5-yl)-4,6-bis(trichloroMethyl)-1,3,5-triazine2-(3,4-METHYLENEDIOXYPHENYL)-4,6-BIS(TRICHLOROMETHYL)-1,3,5-????71255-78-2C12H5Cl6N3O2
1-phenylpyrrolidin-3-one(SALTDATA: FREE)128120-02-5C10H11NO
ThiopropionaMide?????????631-58-3C3H7NS
2-BroMo-5-(trifluoroMethoxy)phenol2-???-5-(?????????)??205371-26-2C7H4BrF3O2
5-bromo-N-cyclooctyl-2-furamide(SALTDATA: FREE)310453-09-9C13H18BrNO2
racemic-2,2'-Dibromo-1,1'-binaphthyl, min. 96%74866-28-7C20H12Br2
6-(Fluorescein-5(6)-carboxamido)hexanoic acid, succinimidyl ester, 90%, mixed isomersFLUORESCEIN-5(6)-CARBOXAMIDOCAPROICACIDN-SUCCINIMIDYL????114616-31-8C31H26N2O10
Ethyl 3-aminothiophene-2-carboxylate, 97%??3-??????-2-???????31823-64-0C7H9NO2S
Sodium phosphate dibasic dodecahydrate, 99%?? ???, ????, ??????10039-32-4H25Na2O16P
Potassium pentachlororuthenate(III) hydrate??????????(III)???14404-33-2Cl5H2K2ORu
DL-Ethionine, 99%67-21-0C6H13NO2S
(S)-(-)-1,1,2-Triphenyl-1,2-ethanediol, 98%(S)-(-)-1,1,2-??????-1,2-??108998-83-0C20H18O2
(S)-(-)-[(S)-2-Di(3,5-xylyl)phosphinoferrocenyl][2-di(3,5-xylyl)phosphinophenyl]methanol, min. 97%(S)-(-)-[(S)-2-DI(3,5-XYLYL)????????][2-DI(3,5-XYLYL)??????]???851308-45-7C49H50FeOP210*
4-Bromo-5-acetamidoindanone4-???-5-?????????429682-68-8C11H10BrNO2
5-(Pyridin-3-yl)-1H-pyrazole-3-carbohydrazide23424-35-3C9H9N5O
5,5,5-Trifluoropentan-1-ol5,5,5-????????-1-OL352-61-4C5H9F3O
Homophthalic anhydride, 98+%703-59-3C9H6O3
(5E)-2-mercapto-5-[4-(methylthio)benzylidene]-1,3-thiazol-4(5H)-one(SALTDATA: FREE)127378-28-3C11H9NOS3
5,7-dimethyl[1,2,4]triazolo[4,3-a]pyrimidin-3(2H)-one(SALTDATA: FREE)41266-64-2C7H8N4O
Ethyl 3-methyl-1H-indole-2-carboxylate??3-??-1H-??-2-???????20032-31-9C22H18O10S2
1-(3,4-Dihydro-2H-[1,8]naphthyridin-1-yl)-2,2-dimethyl-propan-1-one824429-54-1C13H18N2O
AcetoxiMe O-(2,4,6-TriMethylphenylsulfonate)????O-(2,4,6-??????????)81549-07-7C12H17NO3S
2-(Toluene-4-sulfonylamino)-propionic acid2-(???-4-??????)-?????4816-81-3C10H13NO4S
3-(3,5-Difluorophenyl)-1H-pyrazole-4-carbaldehyde3-(3,5-???????)-1H-???-4-???????875664-59-8C10H6F2N2O
5-Chloro-1-methyl-1H-pyrazole-4-carboxylic acid 95%5-???-1-??-1H-???-4-?????54367-66-7C5H5ClN2O2
4-Methoxy-1-naphthol84-85-5C11H10O2
1,3-Dibutyl-1,1,3,3-tetramethyldisilazane82356-80-7C12H31NSi2
4-(Pyrrolidin-1-yl)aniline4-????-1-????2632-65-7C10H14N2
Mu-Oxo-bis[tris(diMethylaMino)phosphoniuM] Bis(tetrafluoroborate) (=Bates' Reagent) [for Peptide Synthesis]MU-OXO-BIS[???(???????)????]??(??????????)55881-03-3C12H36B2F8N6OP2
Aluminum lactate, min. 95%??????18917-91-4C9H15AlO9
6-Methylpurine, 95%2004-03-7C6H6N4
Adenine hydrochloride hemihydrate, 98%6055-72-7C5H8ClN5O
O-Benzyl-L-serine, 98%4726-96-9C10H13NO3
4-(Morpholin-4-ylsulphonyl)benzeneboronic acid 96%4-(????????)?????486422-68-8C10H14BNO5S
2'-methoxybiphenyl-3-carboxylic acid(SALTDATA: FREE)2'-???-???-3-?????168618-47-1C14H12O3
trans-2,2-DiMethyl-3-heptene???-3-??19550-75-5C9H18
Acetone Benzothiazolyl-2-hydrazone6277-26-5C10H11N3S
Methyl 2,5-DihydroxycinnaMate63177-57-1C10H10O4
5-Amino-2-methoxybenzonitrile?????,5-???-2-???-(9CI)214623-57-1C8H8N2O
L-Leucyl-D-leucine Dihydrate17665-02-0C12H24N2O3
trans-2-Hexen-1-ol, 96%??(???-2)-1-?928-95-0C6H12O
2-Benzoyl-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid115732-15-5C17H15NO3
4-(Dimethylamino)-4'-fluorobenzhydrol4-(???????)-4'-??????????39768-80-4C15H16FNO
(1S)-(-)-10-Mercaptoisoborneol(1S)-(-)-10-??????????71242-58-5C10H18OS
1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid(SALTDATA: FREE)1-??-4-??-1,4-???????-3-?????(SALTDATA:FREE)23789-88-0C12H11NO3
2-Bromo-4-fluoro-6-(trifluoromethyl)aniline2-???-4-????-6-(?????????)???875664-27-0C7H4BrF4N
2-(1H-Benzoimidazol-2-ylsulfanyl)propionic acid2-(1H-??????-2-????)-?????21547-70-6C10H10N2O2S
4-Acetamido-3-ethoxynitrobenzene4-??????-3-????????116496-76-5C10H12N2O4
1,4-Dibutylbenzene1,4-DI-N-????1571-86-4C14H22
3,5-Dibromo-4-hydroxybenzaldehyde oxime3,5-DIBROMO-4-?????????????25952-74-3C7H5Br2NO2
Methyl Fluorosulfonate (stabilized with KF)[for Esterification]?? ????????421-20-5CH3FO3S
(2-methyloxazol-4-yl)methanol, 95%4-???????,2-METHYL-141567-53-5C5H7NO2
(+)-Griseofulvin, 99.6%??????126-07-8C17H17ClO6
Bis(2-cyanoethyl)phenylphosphine, min. 97%15909-92-9C12H13N2P
Fluorescein di-β-D-glucopyranoside, 95%129787-66-2C32H32O15
4-hydroxy-4-(4-methoxy-2,5-dimethylphenyl)butanoic acid(SALTDATA: FREE)879053-36-8C13H18O4
2-(chloromethyl)-5-cyclopropyl-1,3,4-oxadiazole(SALTDATA: FREE)2-(?????)-5-???????-1,3,4-?????915924-77-5C6H7ClN2O
2-Methylpentyl Acetate????2-????????7789-99-3C8H16O2
4-Chlorophenyl trifluoromethanesulphonate 97%4-??????????????????29540-84-9C7H4ClF3O3S
3,5-DibroMo-4-Methoxybenzoic acid3,5-????-4-??????4073-35-2C8H6Br2O3
7-(1-methyl-2-oxopropoxy)-2H-chromen-2-one(SALTDATA: FREE)156006-08-5C13H12O4
4-Biphenyl-3',5'-difluoro-acetic acid4-???-3',5'-?????????886363-26-4C14H10F2O2
1-[(1-methyl-1H-pyrrol-2-yl)methyl]-4-piperidinecarboxylic acid(SALTDATA: 1.2H2O)1177281-06-9C12H18N2O2
Pentafluorophenyl 3-(pyrid-2-yloxy)benzoate , 97%????????3-(???-2-???)?????921938-61-6C18H8F5NO3
4-[5-(Trifluoromethyl)pyrid-2-yl]benzoic acid , 95%4-(4-(????????)???-2-?)???223127-47-7C13H8F3NO2
7-Boc-5,6-dihydro-8H-imidazo[1,2-a]pyrazine-2-carboxylic acid7-(tert-???????)-5,6,7,8-??????????[1,2-a]???-2-?????885281-30-1C12H17N3O4
N-Acetyl-D-glucosaminitolN-???-D-???????4271-28-7C8H17NO6
1,16-Hexadecanediol1,16-??????7735-42-4C16H34O2
4'-ForMylbenzo-18-crown 6-Ether60835-74-7C17H24O7
N,N-DiMethylforMaMide Dipropyl Acetal [for Esterification]6006-65-1C9H21NO2
Di-[3-((R)-2,2'-dihydroxy- 1,1'-binaphthylMethyl)]ether, lanthanuM(III) salt, tetrahydrofuran adduct SCT-(R)-BINOL321837-08-5C42H26LaO5
25-Hydroxy VitaMin D221343-40-8C28H44O2
(S)-3-N-Boc-Aminomethylpyrrolidine????,(3-???????)-,1,1-?????????,(S)-(9CI)173340-26-6C10H20N2O2
1-Ethyl-1,4-dihydro-5H-tetrazol-5-one, 98%69048-98-2C3H6N4O
Boc-amino-acetic acid diethylamide, 98%??????????-?????tert-??????500871-60-3C11H22N2O3
Lanthanum(III) acetate hydrate (99.9%-La) (REO)100587-90-4C6H11LaO7
p-?Chlorophenylguanidin?eN-(4-?????)-????45964-97-4C7H8ClN3
Morpholin-2-ol hydrochloride????-2-????79323-24-3C4H9NO2.HCl
N-(4-methylbenzyl)butan-2-amine(SALTDATA: HCl)869942-01-8C12H19N
4-Bromo-3-methyl-[1,2,3]triazolo[1,5-a]pyridine4-???-3-??-[1,2,3]?????[1,5-A]???1024741-95-4C7H6BrN3
1-Benzyl-7-(methylthio)-1H-pyrimido-[4,5-d][1,3]oxazine-2,4-dione686267-35-6C14H11N3O3S
1-(2,2-dimethylcyclopropyl)-1-propanone(SALTDATA: FREE)1-(2,2-??????????)-1-????(?????:??)50598-47-5C8H14O
2,2-Dimethyl-3-pentanol, 97%3970-62-5C7H16O
3-Hydroxy-3-phenyl-piperidine, 98%3-?????-3-??-????23396-50-1C11H15NO
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