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Shanghai Haohong Scientific Co., Ltd.??? ?? ??? ?????.

?? ?:Shanghai Haohong Scientific Co., Ltd.
??:400-400-8210725
???:malulu@leyan.com
??:China
URL: https://www.leyan.com/
? ?? ?:39990
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Methyl 7-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-2,2-difluorobenzo[d][1,3]dioxole-5-carboxylate1150271-58-1C14H15BF2O6
1-(3-Bromopropyl)-4-nitrobenzene3-(4-?????)????????53712-77-9C9H10BrNO2
4-Bromo-2-phenylaniline5455-13-0C12H10BrN
1-Ethylcyclobutan-1-amine hydrochloride279215-56-4C6H14ClN
1-(3-Methoxypropyl)-1h-pyrazol-3-amine1179235-39-2C7H13N3O
Formoterol Impurity 5 (Formoterol Impurity）477552-93-5C19H24N2O3
N-methyl-N-((3R,4R)-4-methyl-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine (Tofacitinib Impurity）2504210-38-0C19H22N8
2,4-Diiodopyridine83674-71-9C5H3I2N
BIS THF HNS Derivative 3 (Derivative Impurity）799241-86-4C11H13NO7
2,4,6-Trichlorobenzoic acid methyl ester??2,4,6-??????????86569-78-0C8H5Cl3O2
8-Chloro-4-hydroxyquinoline-3-carboxylic acid8-???-4-????????-3-????35966-16-6C10H6ClNO3
(2E)-4-(Methylamino)-2-butenoic Acid Methyl Ester (Afatinib Impurity）915788-22-6C6H11NO2
2,2,2-Trifluoro-N-(3-(1-((2R,5S)-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)prop-2-yn-1-yl)acetamide114748-60-6C14H14F3N3O5
(E)-2-(1-(1-(2-chlorophenyl)-2-methoxy-2-oxoethyl)-4-((2-(3-methoxyphenyl)-2-oxoethyl)thio)piperidin-3-ylidene)acetic acid (Clopidogrel Impurity）1287430-40-3C25H26ClNO6S
(3AR,6S,6aS)-6-(bromomethyl)-2,2-dimethyldihydrofuro[3,4-d][1,3]dioxol-4(3aH)-one94324-23-9C8H11BrO4
L-Glutamic acid γ-(2,2,2-trichloroethyl) esterL-???????-(2,2,2-????????)????92739-23-6C7H10Cl3NO4
(S)-1-(1-phenyl-3,4-dihydroisoquinolin-2(1H)-yl)ethanone (Solifenacin Impurity）1422505-78-9C17H17NO
2-(Hydrazinylmethyl)pyridine7112-37-0C6H9N3
(3-((2-(Pyrrolidin-1-yl)ethyl)carbamoyl)phenyl)boronic acid hydrochloride957061-03-9C13H20BClN2O3
(3-((2-(Piperidin-1-yl)ethyl)carbamoyl)phenyl)boronic acid hydrochloride3-(2-(????-1-?)???????)????????1072945-72-2C14H22BClN2O3
Ethyl 5-chloro-2-fluorobenzoateRARECHEM?BI1329773139-56-3C9H8ClFO2
3-Fluoro-2-iodophenol3-????-2-??????863870-85-3C6H4FIO
1-Cyclopropylbutan-1-one????????????6705-46-0C7H12O
4-Methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydro-2h-benzo[b][1,4]oxazine1256256-24-2C15H22BNO3
4-Methyl-1,2,3,6-tetrahydropyridine4-??-1,2,3,6-?????????694-50-8C6H11N
2-{[(tert-Butoxy)carbonyl]amino}-3-(piperidin-4-yl)propanoic acid2-(Boc-???)-3-(????-4-?)-?????1021943-61-2C13H24N2O4
Ethyl hydrogen ((2-(6-amino-9H-purin-9-yl)ethoxy)methyl)phosphonate (Adefovir Impurity）116384-54-4C10H16N5O4P
(S)-3-((2R,5R)-5-(4-fluorophenyl)-2-((S)-((4-fluorophenyl)amino)(4-((trimethylsilyl)oxy)phenyl)methyl)-5-((trimethylsilyl)oxy)pentanoyl)-4-phenyloxazolidin-2-one (Ezetimibe Impurity）1809031-15-9C39H46F2N2O5Si2
methyl 5-amino-2-(4-amino-1-oxoisoindolin-2-yl)-5-oxopentanoate (Lenalidomide Impurity）1240215-76-2
(S)-3-((2R,5S)-5-((tert-butyldimethylsilyl)oxy)-2-((S)-(4-((tert-butyldimethylsilyl)oxy)phenyl)((4-fluorophenyl)amino)methyl)-5-(4-fluorophenyl)pentanoyl)-4-phenyloxazolidin-2-one (Ezetimibe Impurity）1701462-59-0C45H58F2N2O5Si2
(3R,4R,5S)-Ethyl 5-acetamido-4-(diallylamino)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate (Oseltamivir Impurity）2254819-34-4C22H36N2O4
2-(2-(2-Methoxyethoxy)ethoxy)-2-methylpropane52788-79-1C9H20O3
(E)-2-((2-chloro-4-((3-cyano-6-(4-(dimethylamino)but-2-enamido)-7-ethoxyquinolin-4-yl)amino)phenoxy)methyl)pyridine 1-oxide (Neratinib Impurity）1376619-94-1C30H29ClN6O4
(2R,3R,4R,5R)-2-(4-amino-2-oxo-1,3,5-triazin-1(2H)-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diyl diacetate (Azacitidine Impurity）1415316-72-1C12H16N4O7
1-Cyclopropyl-6-hydroxy-8-methoxy-7-((4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid (Moxifloxacin Impurity)2445515-66-0C21H25N3O5
(2R,5S)-ethyl 5-((benzyloxy)amino)piperidine-2-carboxylate oxalate (Avibactam Impurity）2413365-40-7C17H24N2O7
5-Bromo-N-cyclopyridine-2-carboxamide638219-77-9C9H9BrN2O
N,N-Dimethyl-1-[(2S)-pyrrolidin-2-yl]methanamine hydrochloride1152113-36-4C7H17ClN2
Ethyl 2-(5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)acetate hydrochloride??2-(5,6,7,8-??????????[3,4-d]????-4-?)-?????HCl1187830-52-9C11H16ClN3O2
2-[3-methoxy-5-(trifluoromethyl)phenyl]acetic acid3-(??????)-5-?????????????,3-(??????)-5-(????????)???916421-04-0C10H9F3O3
2-(2,6-Dichlorophenyl)ethanethioamide2-(2,6-??????)???????17518-49-9C8H7Cl2NS
2-(2-Ethoxy-2-oxoethyl)pyridine-3-carboxylic acid2-(2-ETHOXY-2-OXOETHYL)????35969-51-8C10H11NO4
1-[4-(trifluoromethyl)phenyl]-2,3-dihydro-1h-imidazole-2-thione1-(4-??????????)?????-2-??17452-18-5C10H7F3N2S
2-Chloro-4-iodo-5-(methoxymethoxy)pyridine877133-57-8C7H7ClINO2
2-Amino-2-(4-octyl-3-(4-octylphenethyl)phenethyl)propane-1,3-diol (Fingolimod Impurity）851039-24-2C35H57NO2
(2R,3R,4R,5S,6R)-2-(4-Chloro-3-(4-(((R)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (Empagliflozin Impurity）2452301-42-5C23H27ClO7
4-Chloro-2-(dimethylamino)-1,3-thiazole-5-carbaldehyde129865-54-9C6H7ClN2OS
(2-((Dimethylamino)methyl)-5-nitrophenyl)boronic acid2-((??????)??)-5-????????1217500-82-7C9H13BN2O4
2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-Fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl Propionate (Dexamethasone Impurity）?????21-???????3793-10-0C25H33FO6
4-Fluoro-1H-pyrrolo[3,2-c]pyridine1H-???[3,2-c]???,4-????-1190309-76-2C7H5FN2
RDN-Th6-Br1946027-62-8C16H20BrNOS3
1-(Aminomethyl)cyclohexane-1-carboxylic acid hydrochloride1199589-63-3C8H16ClNO2
(S)-2-((S)-2-acetamido-4-phenylbutanamido)-4-methyl-N-((S)-1-(((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)pentanamide254888-42-1C36H50N4O6
Tert-butyl 4-bromo-2-methoxybenzoate1260897-35-5C12H15BrO3
3-(Benzyloxy)-5-bromobenzoic acid3-????-5-??????1242336-70-4C14H11BrO3
3-Methoxy-2-methyl-4-nitropyridine 1-oxide (Pantoprazole Impurity）15931-25-6C7H8N2O4
(2R,4R)-1-[(2S)-2-[[(1,1- Dimethylethoxy)carbonyl]amino]-5-[[imino(nitroamino)methyl]amino]-1- oxopentyl]-4-methyl-2-piperidinecarboxylic Acid Ethyl Ester (Afatinib Impurity）74874-07-0C20H36N6O7
N-2-Nitrophenylsulfenyl-L-leucine50571-61-4C12H16N2O4S
4-(1-(4-(2-(Azepan-1-yl)ethoxy)benzyl)-5-(benzyloxy)-3-methyl-1H-indol-2-yl)phenol328933-58-0C37H40N2O3
DMTr-dA(Bz)-SA402944-15-4C48H54N6O9
2-amino-N-(o-tolyl)thiazole-5-carboxamide (Dasatinib Impurity）1184914-03-1C11H11N3OS
(4R,4aS,5aS,6S,12aS)-4-(dimethylamino)-3,6,10,12,12a-pentahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide (Minocycline Impurity）129044-45-7C21H22N2O8
N-(4-((3-chloro-4-(pyridin-2-ylmethoxy)phenyl)amino)-3-cyano-7-ethoxyquinolin-6-yl)-3,4-bis(dimethylamino)butanamide (Neratinib Impurity）544417-27-8C33H37ClN6O3
4-Chloro-1-ethoxy-2-fluorobenzene4-???-2-???????289039-40-3C8H8ClFO
N-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)pivalamide1092119-20-4C16H25BN2O3
N-Isopropyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetamide1256359-82-6C17H26BNO3
(R)-3-(4-bromophenyl)-5-(hydroxymethyl)oxazolidin-2-one (Tedizolid Impurity）1252686-47-7C10H10BrNO3
3-(Benzyloxy)cyclohexan-1-one123990-98-7C13H16O2
(1R,2R,3R)-5-((Z)-2-((1R,3aR,7aR)-1-((R)-6-Hydroxy-6-methylheptan-2-yl)-7a-methyl-2,3,3a,6,7,7a-hexahydro-1H-inden-4-yl)vinyl)-2-(3-hydroxypropoxy)-4-methylcyclohex-4-ene-1,3-diol201854-22-0C30H50O5
3-Bromo-N-methyl-5-nitrobenzamide3-???-N-??-5-????????90050-52-5C8H7BrN2O3
2-(2-Fluoro-[1,1'-biphenyl]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane269410-15-3C18H20BFO2
Ethyl (1R,5R,6R)-5-(pentan-3-yloxy)-7-azabicyclo[4.1.0]hept-3-ene-3-carboxylate (Oseltamivir Impurity）204255-02-7C14H23NO3
Ethyl 6-hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate??6-????-1,2,3,4-???????????-3-???????134388-85-5C12H15NO3
2-Fluoro-3-(methoxymethoxy)benzoic acid2-????-3-(??????)???368422-24-6C9H9FO4
6,6-Difluoro-2-azabicyclo[2.2.1]heptane6,6-?????-2-??-????[2.2.1]??1357352-59-0C6H9F2N
(4-((2-Ethoxy-2-oxoethyl)carbamoyl)phenyl)boronic acid??(4-?????????)?????1072946-08-7C11H14BNO5
(S)-3-(isocyanatomethyl)-5-methylhexanoic acid (Pregabalin Impurity）2102350-92-3C9H15NO3
6,6',7,7'-Tetrakis(2-methoxyethoxy)-4H-[3,4'-biquinazolin]-4-one (Erlotinib Impurity）1809951-10-7C28H34N4O9
(R)-1-((9-((R)-2-hydroxypropyl)-9H-purin-6-yl)amino)propan-2-ol (Tenofovir Impurity）1878175-82-6C11H17N5O2
(2R,5R)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-chloro-1,3-oxathiolane-2-carboxylate (Captopril Impurity）1020151-61-4C14H23ClO3S
2-Phenyl-1,3-thiazolidine-4-carboxylic acid2-??-1,3-????-4-?????42607-21-6C10H11NO2S
1-(3-Phenyl-1,2-oxazol-5-yl)ethan-1-one1-(3-??-5-?????)-1-???2048-69-3C11H9NO2
1,5-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole-2-carbonitrile863868-51-3C13H19BN2O2
3-Fluoropiperidine-3-carbonitrile3-????????-3-??????1265323-71-4C6H9FN2
N-(3-(4-Amino-1-((2R,5S)-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-oxo-1,2-dihydropyrimidin-5-yl)prop-2-yn-1-yl)-2,2,2-trifluoroacetamide114748-58-2C14H15F3N4O4
4-Fluoro-3-hydroxyisobenzofuran-1(3H)-one97711-49-4C8H5FO3
(2R,2'R)-((4-(3-oxomorpholino)phenyl)azanediyl)bis(1-(1,3-dioxoisoindolin-2-yl)propane-3,2-diyl) bis(1H-imidazole-1-carboxylate) (Rivaroxaban Impurity）2097255-05-3C40H34N8O10
(2-Chloro-4-fluorophenyl)hydrazine????,(2-???-4-??????)-(9CI)119452-65-2C6H6ClFN2
Methyl 3-(2-chloroacetamido)thiophene-2-carboxylate??3-[(2-??????)???]???-2-??????146381-88-6C8H8ClNO3S
4-Bromo-2,3-dimethylbenzaldehyde4-???-2,3-?????????1114808-91-1C9H9BrO
2-(Benzo[d][1,3]dioxol-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane1073339-10-2C13H17BO4
Methyl 3-((tert-Butyldimethylsilyl)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate1218789-68-4C20H33BO5Si
(1-Methyl-1H-benzo[d]imidazol-5-yl)boronic acid(1-??-1H-??????-5-?)???1107627-21-3C8H9BN2O2
7-Bromo-4-methyl-1,2,3,4-tetrahydroisoquinoline7-broMo-4-Methyl-1,2,3,4-???????????1338096-94-8C10H12BrN
Tert-butyl n-(2-amino-4-methylpentyl)carbamateN-(2-aMino-4-Methylpentyl)CarbaMicacid1,1-?????????1117693-62-5C11H24N2O2
N-(4-((3-chloro-4-(pyridin-2-ylmethoxy)phenyl)amino)-3-cyano-7-ethoxyquinolin-6-yl)-1-methyl-2,3-dioxopiperidine-4-carboxamide (Neratinib Impurity）1144516-17-5C31H27ClN6O5
(R)-3-((2S,5S)-5-(4-fluorophenyl)-2-((R)-((4-fluorophenyl)amino)(4-((trimethylsilyl)oxy)phenyl)methyl)-5-((trimethylsilyl)oxy)pentanoyl)-4-phenyloxazolidin-2-one (Ezetimibe Impurity）1650568-82-3C39H46F2N2O5Si2
(Z)-3-(2-Bromovinyl)aniline (Erlotinib Impurity）2304005-44-3C8H8BrN
tetrabutylammonium (2S,5S)-2-carbamoyl-7-oxo-1,6-diazabicyclo[3.2.1]octan-6-yl sulfate (Avibactam Impurity）2064219-22-1C23H46N4O6S
(((5-(Methylthio)pyridin-3-yl)thio)methyl)boronic acid5-(????)???-3-?????????95913835-66-2C7H10BNO2S2
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