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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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Dimethylammonium dichlorotri(mu-chloro)bis[(S)-(-)-2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl]diruthenate(II) [NH2Me2][{RuCl((S)-tolbinap)}2(mu-Cl)3]????????????(????)??[(S)-(-)-2,2'-??(?-p-??????)-1,1'-????]??????(II)309735-86-22C48H40P2.C2H7N.Cl.Cl3Ru2.ClH
2,2-Difluoroethyl trifluoromethyl ether2,2-??????????????????84011-15-4C3H3F5O
Methyl 1-Methylcyclopropane-1-carboxylate1-????????-1-???????????6206-25-3C6H10O2
(5Z)-5-[(5-bromo-2-furyl)methylene]-3-cyclohexyl-2-thioxo-1,3-thiazolidin-4-one(SALTDATA: FREE)292034-08-3C14H14BrNO2S2
2,2,2-Trichloro-1-(4-iodo-1H-pyrrol-2-yl)ethanone4-????-2-(????????)??72652-33-6C6H3Cl3INO
5-Bromo-2-fluorobenzyl alcohol5-???-2-????????????????99725-13-0C7H6BrFO
4-[(2-methyl-2-propen-1-yl)oxy]benzaldehyde(SALTDATA: FREE)4-[(2-METHYL-2-PROPEN-1-YL)??]?????38002-91-4C11H12O2
Ribavirin, 98%????36791-04-5C8H12N4O5
2,5-DiMethylstyrene 97%2,5-??????2039-89-6C10H12
Isosorbide, 98%652-67-5C6H10O4
3-Amino-3-(3-thienyl)propanoic acid3-???-3-(???-3-?)????94333-62-7C7H9NO2S
4-[(2-Nitrophenoxy)methyl]piperidine hydrochloride4-[(2-??????)??]???????614730-50-6C12H17ClN2O3
5,7-Dimethyl-2,3-dihydro-1H-[1,4]diazepine perchlorate2,7-???-3,6-????????-1,6-???????38772-18-8C7H13ClN2O4
4-[2-(Boc-amino)ethyloxy]benzoic acid, 97%4-(2-TERT-BUTOXYCARBONYLAMINO-ETHOXY)-???168892-66-8C14H19NO5
1-(2,3-dihydro-1,4-benzodioxin-6-yl)-N-methylethanamine(SALTDATA: 0.95HCl)381191-92-0C11H15NO2
1,1,1,2,4,4,4-Heptafluorobutane1,1,1,2,4,4,4-????????86884-16-4C4H3F7
Salicylaldehyde hydrazone, 98%3291-00-7C7H8N2O
(ChloroMethylene)diMethyliMiniuM Chloride?? N-(??????)-N-??????? (1:1)3724-43-4C3H7ClN.Cl
Potassium triisopropoxyborohydride, 1M solution in THF, AcroSeal42278-67-1C9H22BKO3
14-Bromo-1-tetradecanol14-?????????72995-94-9C14H29BrO
1-(6-chloropyrazin-2-yl)hydrazine, 95%2-???-6-????????63286-29-3C4H5ClN4
Ethyl 2,5-dimethylimidazo[1,2-a]pyridine-3-carboxylate??2,5-???????[1,2-A]???-3-???????81438-49-5C12H14N2O2
2-Methyl-5-nitrobenzeneboronic acid 96%(2-??-5-?????)??100960-11-0C7H8BNO4
8-Methyl-2,8-diazaspiro[4.5]decane, 95%8-??-2,8-??????[4.5]??(SALTDATA:FREE)1158750-98-1C9H18N2
4-Methoxyazobenzene2396-60-3C13H12N2O
N-(2-chlorobenzyl)piperidine-4-carboxamide(SALTDATA: FREE)N-(2-?????)????-4-??????429631-11-8C13H17ClN2O
5-Amino-3-methyl-isoxazole-4-carboxylic acid ethyl ester, 97%5-???-3-??-????-4-???????????25786-72-5C7H10N2O3
1-(3-Bromopropoxy)-4-nitrobenzene1-(??-???????)-4-?????13094-50-3C9H10BrNO3
4-Fluorobenzamidoxime4-?????????22179-78-8C7H7FN2O
6-Ethoxybenzo[d]thiazol-2(3H)-one, 97%6-???-2(3H)-??????72680-01-4C9H9NO2S
4-BroMopyriMidine hydrochloride31462-56-3C4H3BrN2
tert-Butylhydrazine hydrochloridetert-??????32064-67-8C4H12N2
Ethyl 3-(4-bromophenylthio)-2-cyano-3-(methylthio)acrylate??3-(4-???????)-2-???-3-(????)??????214330-98-0C13H12BrNO2S2
(S)-(-)-2,2'-Bis(di-i-propylphosphino)-6,6'-dimethoxy-1,1'-biphenyl, min. 97%150971-43-0C26H40O2P2
O-tert-Butyl-L-threonine tert-Butyl Ester5854-78-4C12H25NO3
2-[2-(3-pyridinyl)-1,3-thiazol-4-yl]ethanamine(SALTDATA: FREE)919738-05-9C10H11N3S
2-(3,4-dimethoxyphenyl)ethanimidamide(SALTDATA: HCl)2-(3,4-DIMETHOXY-PHENYL)-?????757878-04-9C10H14N2O2
5-Iodo-1H-indazole, 95%5-???-1H-???55919-82-9C7H5IN2
3-Perfluorohexyl-2-hydroxypropyl acrylate 97%3-???????-2-??????????????127377-12-2C12H9F13O3
4'-chlorobiphenyl-4-amine, 95%4'-???-???-4-???135-68-2C12H10ClN
4-AMino-6-hydroxypyriMidine1193-22-2C4H5N3O
2-(4-isopropoxy-6-methyl-2-pyrimidinyl)phenol(SALTDATA: FREE)2-(4-??????-6-??-2-?????)??300839-40-1C14H16N2O2
DL-3-Phenyllactic acid, 97%828-01-3C9H10O3
2-[5-(4-Amino-phenyl)-tetrazol-2-yl]-N-cyclopentyl-acetamide2-[5-(4-AMINO-??)-????-2-YL]-N-??????-??????436092-98-7C14H18N6O
MDEPAP [=1-Methyl-4-(4-diethylaMinophenylazo)pyridiniuM Iodide][Extraction-spectrophotoMetric reagent for anionic surfactants]74920-80-2C16H21IN4
1H,1H,2H,2H-Perfluorodecyldimethylchlorosilane74612-30-9C12H10ClF17Si
Tris(2-cyanoethyl)aMine???(2-?????)??7528-78-1C9H12N4
(3β)-7-Dehydro Cholesterol7,8-???????????434-16-2C27H44O
Rubicene, 98%???197-61-5C26H14
methyl 2-methyl-2H-indazole-6-carboxylate, 95%??2-?????-6-???????1071433-01-6C10H10N2O2
2,6-diethyl-3-Pyridinecarboxylic acid ethyl ester2,6-???-3-??????????????100369-97-9C12H17NO2
5-Chloro-2-hydroxyphenylbenzene carboxylate5-???-2-??????????????5876-98-2C13H9ClO3
Methyl 2-hydroxyisobutyrate, 99%????????????????2110-78-3C5H10O3
3-(1-methyl-2-oxopropoxy)-6H-benzo[c]chromen-6-one(SALTDATA: FREE)314744-71-3C17H14O4
Galanthamine.HBr69353-21-5C17H22BrNO3
2-Buten-1-ylsuccinic Anhydride2-??-1-???????7538-42-3C8H10O3
(5-Bromothien-2-yl)glyoxal hydrate 95%5-???-2-??????????852619-28-4C6H5BrO3S
2-(Ethanesulphonylamino)benzoic acid2-(????????)???923248-03-7C9H11NO4S
Strontium neodecanoate, superconductor grade (16-21% Sr)106705-37-7C20H38O4Sr
5-[(2,5-dichlorophenoxy)methyl]-4-methyl-4H-1,2,4-triazole-3-thiol(SALTDATA: FREE)588674-33-3C10H9Cl2N3OS
3-[(3-methoxybenzyl)oxy]benzaldehyde(SALTDATA: FREE)3-[(3-?????)??]??????588685-98-7C15H14O3
2-amino-5-ethylbenzoic acid(SALTDATA: FREE)2-???-5-?????2475-82-3C9H11NO2
2,3-Dihydro-4-thien-2-yl-1H-1,5-benzodiazepine497178-55-9C13H12N2S
1H,1H,2H,2H-Perfluoro-9-methyldecyl iodide 98%40678-31-7C11H4F19I
3-bromo-5-methyl-1,2,4-oxadiazole(SALTDATA: FREE)3-???-5-??-1,2,4-?????(SALTDATA:FREE)1228427-07-3C3H3BrN2O
Bis(2-methoxyethyl)amine, 98%??(2-?????)??111-95-5C6H15NO2
1-AcetaMido-4-hydroxyanthraquinone1-??????-4-??????????7323-62-8C16H11NO4
2-chloro-5-[(chloroacetyl)amino]benzoic acid(SALTDATA: FREE)869950-77-6C9H7Cl2NO3
2-Fluoro-4-iodobenzoic acid2-FLUORO-4-????????124700-40-9C7H4FIO2
4-chloro-6-(1H-pyrazol-1-yl)pyrimidine(SALTDATA: FREE)114833-95-3C7H5ClN4
2-Chloro-N-(1,3,5-trimethyl-1H-pyrazol-4-yl)-acetamide2-???-N-(1,3,5-????-1H-???-4-?)??????90153-58-5C8H12ClN3O
1-Boc-3-hydroxypyrrolidine, 98%(R)-1-Boc-3-????????103057-44-9C9H17NO3
3-cyclopropyl-5-isoxazolecarboxylic acid(SALTDATA: FREE)3-???????-5-?????????(?????:??)870704-25-9C7H7NO3
4-(3,4-Dichlorophenoxy)benzenesulfonyl chloride4-(3,4-???????)??????????501697-77-4C12H7Cl3O3S
(4-bromobenzyl)(3,4-dimethoxybenzyl)amine(SALTDATA: HBr)353779-62-1C16H18BrNO2
N-Phenethyl-N-phenylamine3441-11-0C14H15N
2,5-dihydroxybenzohydrazide(SALTDATA: FREE)2,5-????????????15791-90-9C7H8N2O3
2-(4-ethoxyphenyl)propan-2-amine(SALTDATA: HCl)2-(4-?????)???-2-??153002-40-5C11H17NO
5-Chloropyrimidine17180-94-8C4H3ClN2
1-Cbz-DL-beta-Prolinol1-CBZ-3-???????????315718-05-9C13H17NO3
Anthraquinone-1,5-disulfonic Acid DisodiuM Salt853-35-0C14H6Na2O8S2
2-Chloro-3-amino-4-(trifluoromethyl)pyridine2-???-4-(????????)???-3-??166770-70-3C6H4ClF3N2
1,3-Bis(2,6-diisopropylphenyl)-1,3,2-diazaphospholidine 2-Oxide1,3-??(2,6-????????)-1,3,2-????????2-????854929-36-5C26H39N2OP
3,5-Dinitro-p-toluic acid, 98%4-??-3,5-??????? ?16533-71-4C8H6N2O6
Vinorelbine ditartrate, 98%125317-39-7C53H66N4O20
5-(Trifluoromethoxy)-1H-indazole-3-carboxylic acid5-?????????-1H-???-3-?????869782-94-5C9H5F3N2O3
Ethyl-5-aMino-2-chlorobenzoate??-5-???-2-????????64401-55-4C9H10ClNO2
(S)-3-(4'-Benzyloxyphenyl)-2-hydroxy-propionicacid(S)-3-(4'-??????)-2-?????-?????162919-37-1C16H16O4
3-methoxy-4-nitro-1H-pyrazole-5-carboxylic acid(SALTDATA: FREE)161235-54-7C5H5N3O5
tert-Butyl 3-formyl-1H-indole-1-carboxylateTERT-??3-???-1H-??-1-???????57476-50-3C14H15NO3
(3,5-dimethyl-1H-pyrazol-4-yl)acetic acid(SALTDATA: FREE)(3,5-DIMETHYL-1H-PYRAZOL-4-YL)????32701-75-0C7H10N2O2
Tetrakis[(R)-(+)-N-(p-dodecylphenylsulfonyl)prolinato]dirhodium(II) Rh2(R-DOSP)4?????[(R)-(+)-N-(P-????????)?????]???(II)178879-60-2C92H144N4O16Rh2S4
3-(3-aminophenyl)-1-methyl-2,4-imidazolidinedione(SALTDATA: FREE)3-(3-?????)-1-??-2,4-????????(SALTDATA:FREE)1114824-11-1C10H11N3O2
(4S)-4-Phenyl-1,2,3-oxathiazolidine-2,2-dioxide-3-carboxylic acid t-butyl ester, min. 97%(4S)-4-??-1,2,3-???????-2,2-?????-3-?????t-??????479687-23-5C13H17NO5S
4-Formylcinnamic acid, predominantly trans, 98%23359-08-2C10H8O3
4-tert-Butyl-thiazole-2-thiol4-TERT-??-???-2-??2180-05-4C7H11NS2
2-Chlorostyrene, 97%???(2-)???2039-87-4C8H7Cl
4-Iodophenoxyacetic acid, 98%1878-94-0C8H7IO3
2-Boc-Hexahydro-Pyrrolo[3,4-C]Pyrrole2-BOC-??????-???[3,4-C]??141449-85-6C11H20N2O2
1-(2,4-Dichlorophenyl)-1-cyclopropyl cyanide, 98%1-(2,4-??????)-1-??????????71463-55-3C10H7Cl2N
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