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

?? ?:J & K SCIENTIFIC LTD.
??:-18210857532
???:jkinfo@jkchemical.com
??:China
URL: https://www.jkchemical.com
? ?? ?:96815
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O-(4-Nitrobenzyl)hydroxylamine hydrochloride, 98%, derivatization grade2086-26-2C7H9ClN2O3
Octylmagnesium bromide, 2.0M solution in diethyl ether, J&KSeal17049-49-9C8H17BrMg
[1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene]-[2-[[(2-methylphenyl)imino] methyl]phenolyl]-[3-phenyl-1H-inden-1-ylidene]ruthenium(II) chloride????M42934538-12-2C50H48ClN3ORu
2,3-Dihydro-2-spiro-7'-[8'-iMino-7',8'-dihydronaphthalen-1'-aMine]periMidine851768-62-2C20H16N4
SodiuM 2-Mercaptobenzothiazole2(3H)-??????? ???2492-26-4C7H4NNaS2
Dihydrolipoic acid(+/-)-????????7516-48-5C8H14O2S2
1-allyl-5-oxopyrrolidine-3-carboxylic acid(SALTDATA: FREE)1-??-5-??-????-3-????16199-99-8C8H11NO3
1-(4-Isopropylphenyl)-2-thiourea65259-91-8C10H14N2S
N-[(5-methyl-2-thienyl)methyl]-2-propen-1-amine(SALTDATA: HCl)893569-89-6C9H13NS
1-(3,4-difluorophenyl)-5-oxopyrrolidine-3-carboxylic acid(SALTDATA: FREE)1-(3,4-???????)-5-??????-3-?????496941-62-9C11H9F2NO3
2,6-Dimethoxy-3,7-bis(methylthio)-naphthalene2,6-????-3,7-??(????)-????136559-34-7C14H16O2S2
3-(Morpholine-4-carbonyl)benzeneboronic acid 96%723281-55-8C11H14BNO4
1,2-Pentanediol1,2-????5343-92-0C5H12O2
1-(2-Thienyl)ethanone thiosemicarbazone1-(2-???)???????????5351-71-3C7H9N3S2
1-Benzylindole-5-carboxaldehyde1-????-5-????????63263-88-7C16H13NO
1-Acetyl-4-(methylamino)piperidine1-???-4-(?????)????139062-96-7C8H16N2O
3-(3-Bromo-4-hydroxy-5-methoxyphenyl)acrylic acid , 97%6948-33-0C10H9BrO4
1-Benzyl-3-p-tolyltriazene [for Esterification]17683-09-9C14H15N3
Hydrazine monohydrobromide, 98%???? ???????13775-80-9BrH5N2
Methyl 2-pyrazinecarboxylate, 98%6164-79-0C6H6N2O2
N-Boc-2-hydroxydimethylsilanyl-pyrrole1-Boc-2-(?????????)??879904-82-2C11H19NO3Si
3-(2-Amino-thiazol-4-yl)-5-oxo-tetrahydro-furan-3-carboxylic acid ethyl ester3-(2-AMINO-THIAZOL-4-YL)-5-OXO-TETRAHYDRO-FURAN-3-CARBOXYLICACIDETHYL????328275-97-4C10H12N2O4S
4,7-Dimethyl-1,10-phenanthroline monohydrate, 97%4,7-????-1,10-?????????????308134-34-1C14H14N2O
β-D-Thioglucose sodium salt hydrate, 98%255818-98-5C6H13NaO6S
2-(Bromomethyl)-6-methylpyridine, 97%68470-59-7C7H8BrN
5-Bromo-N-(4-methoxybenzyl)pyridine-2-carboxamide5-???-N-(4-?????)??????951885-02-2C14H13BrN2O2
Methylsulfonylacetonitrile2274-42-2C3H5NO2S
2-[Cyano(phenyl)methyl]benzenecarbonitrile2-[???(??)??]???????127667-03-2C15H10N2
7-Fluoro-2,3,4,9-tetrahydro-1H-beta-carboline7-????-2,3,4,9-???????-1H-??-???177858-80-9C11H11FN2
3-(2-Imidazolyl)propoinic acid178388-79-9C6H8N2O2
Diisopropyl Succinate???????????924-88-9C10H18O4
(2-methoxybenzyl)(pyridin-4-ylmethyl)amine(SALTDATA: HBr)(2-METHOXYBENZYL)(PYRIDIN-4-YLMETHYL)??355816-59-0C14H16N2O
(5-chloro-4-formyl-2-methoxyphenoxy)acetic acid(SALTDATA: FREE)827592-22-3C10H9ClO5
2-Cyano-4-(trifluoroMethyl)phenylboronic acid pinacol ester2-???-4-(????????)????????????1073355-21-1C14H15BF3NO2
DL-Aspartic acid magnesium salt tetrahydrate, 98%215528-79-3C4H13MgNO8
(4-ethylbenzyl)[2-(4-methoxyphenyl)ethyl]amine(SALTDATA: HBr)444907-15-7C18H23NO
N-Allylaniline?????589-09-3C9H11N
[(1-methyl-1H-indol-3-yl)thio]acetic acid(SALTDATA: FREE)[(1-??-1H-??-3-?)??]????187030-12-2C11H11NO2S
2,2-Dichlorocyclopropane-1-carbonitrile2,2-???????????-1-?????3712-82-1C4H3Cl2N
Glycyl-D-aspartic Acid17343-03-2C6H10N2O5
2,4-Difluoro-6-nitrophenol 97%2,4-?????-6-?????364-31-8C6H3F2NO3
2-AMino-5-chlorobenzenesulfonaMide2-???-5-??????????5790-69-2C6H7ClN2O2S
2-Chloro-N-(3-methylphenyl)acetamide2-???-N-(3-????)??????32428-61-8C9H10ClNO
3,4-Dichloro-4'-Methylbenzophenone125016-15-1C14H10Cl2O
Bis(ethylenediaMine)palladiuM(II) Dichloride??(??????)???(II)????16483-18-4C4H12ClN4Pd+
5-[(2-hydroxyphenyl)amino]-6-methyl-1,2,4-triazin-3(2H)-one(SALTDATA: FREE)685551-55-7C10H10N4O2
1-Pyridin-2-ylbutane-1,4-diamine1-???-2-???-1,4-????374064-05-8C9H15N3
1-Allylimidazole, 98%1-??????31410-01-2C6H8N2
2-Amino-3-iodo-5-nitropyridine, 97%25391-56-4C5H4IN3O2
6-Azauridine, 98%54-25-1C8H11N3O6
Bis(1,5-cyclooctadiene)iridium(I) tetrakis[3,5-bis(trifluoromethyl)phenyl]borate, 98%666826-16-0Ir(COD)2BARF
Fmoc-D-Ala-Opfp, 98%125043-04-1C24H16F5NO4
5-Aza-2'-deoxycytidine, 99%, a potent inhibitor of DNA methyltransferase2353-33-5C8H12N4O4
Boc-Ala(4-pyridyl)-OH37535-57-2C13H18N2O4
L-Alanyl-L-proline, 98%13485-59-1C8H14N2O3
4-Methoxydiphenylamine, 98%4-????????1208-86-2C13H13NO
2-[(Dimethylamino)methyl]-4-ethylbenzenol2-[(??????)??]-4-?????55955-99-2C11H17NO
2-Fluoropropane 97%420-26-8C3H7F
exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic AcidEXO-3,6-???-1,2,3,6-?????????28871-62-7C8H8O5
Omega-conotoxin GVIA106375-28-4C120H182N38O43S6
5-Bromo-4-cyclohexylpyrimidine5-???-4-??????????941294-28-6C10H13BrN2
5-Fluoro-2-(methoxymethoxy)phenylboronic acid5-????-2-(??????)?????488713-34-4C8H10BFO4
7-fluoro-2-hydroxyquinoline-4-carboxylic acid(SALTDATA: FREE)7-????-2-???????-4-?????(?????:??)1227465-79-3C10H6FNO3
5-(4-Fluorophenyl)-1H-tetrazole5-(4-????-??)-2H-????50907-21-6C7H5FN4
3',4'-Dimethylacetophenone, 97%3637-01-2C10H12O
DL-2-Benzylserine, 97%4740-47-0C10H13NO3
3-Iodo-1H-pyrrolo[2,3-b]pyridine-5-carboxylic acid methyl ester3-IODO-1H-???[2,3-B]???-5-????????????944937-30-8C9H7IN2O2
2-(tert-Butoxycarbonyl-methyl-amino)-benzoic acid2-(tert-???????-??-???)-???141871-02-5C13H17NO4
Ethyl 2-(1,3,2-dioxaborinan-2-yl)benzoate??2-????????,????????????850567-60-1C12H15BO4
2-(chloromethyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-amine(SALTDATA: 2HCl)89567-04-4C11H12ClN3S
3-Methoxyvaline3-?????18801-86-0C6H13NO3
trans-Perfluorodecalin???????????60433-12-7C10F18
N-(3-methoxybenzyl)-2-butanamine(SALTDATA: HCl)N-(3-METHOXYBENZYL)??-2-??889949-80-8C12H19NO
syn-4-NitrobenzaldoxiMe [Deprotecting Agent]SYN-4-???????20707-69-1C7H6N2O3
4-AMino-5-chloro-2,1,3-benzothiadiazole30536-19-7C6H4ClN3S
2-Ethoxy-5-[(pyrrolidine-1-carbonyl)-amino]-benzenesulfonyl chloride2-ETHOXY-5-[(PYRROLIDINE-1-CARBONYL)-AMINO]-????????680618-12-6C13H17ClN2O4S
3-(3,5-dimethyl-1H-pyrazol-1-yl)-N-methylpropan-1-amine(SALTDATA: FREE)[3-(3,5-???-???-1-YL)-???]-??-??1007517-99-8C9H17N3
1-(S)-4-Nitrophenyl ethylamine(S)-1-(4-?????)-????4187-53-5C8H10N2O2
5-Chloro-2-pentanone ethylene ketal, 97%5-???-2-????????5978-08-5C7H13ClO2
Citroflex A-2??????77-89-4C14H22O8
2-(2,4-Dimethylphenyl)quinoline-4-carboxylicacid2-(2,4-?????)???-4-?????5466-33-1C18H15NO2
Azocal A [for CalciuM deterMination]???A1836-22-2C17H9N2Na3O9S2
4-BroMo-3',5'-difluorobenzophenone4-???-3',5'-?????????844879-03-4C13H7BrF2O
(MethoxyMethyl)(triphenyl)phosphoniuM broMide(?????)?????????????33670-32-5C20H20BrOP
2-Hydroxy-5-iodo-benzaldehyde5-???????????1761-62-2C7H5IO2
3-(2-methyl-1H-imidazol-1-yl)-1-phenylpropan-1-amine(SALTDATA: FREE)893753-80-5C13H17N3
3-Ethylphenol????(3-)620-17-7C8H10O
1-(2-Bromoethoxy)-2,4-dichlorobenzene, 98%1-(2-??????)-2,4-??????6954-77-4C8H7BrCl2O
3-Hydroxy-(3-beta)-olean-12-en-28-oic acid methyl ester, 95%1724-17-0C31H50O3
Irinotecan hydrochloride trihydrate, 98%136572-09-3C33H45ClN4O9
4-(4-Nitrophenylazo)-1-naphthol5290-62-0C16H11N3O3
Nonyl Acetate?? ?????143-13-5C11H22O2
Dibutyl ditelluride, 90%?????????77129-69-2C8H18Te2
4'-Nitrobiphenyl-4-carboxaldehyde4'-???-[1,1'-???]-4-????????98648-23-8C13H9NO3
2-Chlorophenyl methyl sulphone 99%17482-05-2C7H7ClO2S
1,1,3,3-Tetrafluoroprop-1-ene1,1,3,3-??????????4556-24-5C3H2F4
2,4,5,6-Tetraaminopyrimidine, 97%1004-74-6C4H8N6
2-Cyanopropionic acid ethyl ester, 95%1572-99-2C6H9NO2
Fmoc-Val-OSu, 98%, Fmoc-amino acids130878-68-1C24H24N2O6
Potassium phosphate dibasic trihydrate, 99%16788-57-1H7K2O7P
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