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求购达卡他韦杂质 Impurities of Daclatasvir dihydrochloride

S.No   Chemical Name        Structure          M.W        CAS No         Common Name

1 Methyl [(2S)-3-methyl-1-oxo-1-{(2S)-2-[5-(4'-{2-[(2S)-pyrrolidin-2-yl]-1H- imidazol-5-yl}biphenyl-4-yl)-1H-imidazol-2-yl]pyrrolidin-1-yl}butan-2- yl]carbamate 581.71  NA    Mono impurity

2 Methyl [(2S)-1-{(2S)-2-[5-(4'-{2-[(2S)-1-acetylpyrrolidin-2-yl]-1H-imidazol-5-yl} biphenyl-4-yl)-1H-imidazol-2-yl]pyrrolidin-1-yl}-3-methyl-1-oxobutan-2- yl]carbamate 623.74 NA Acetyl Impurity

3 Methyl [(2S)-1-{(2S)-2-[5-(4'-{2-[(2S)-1-{(2R)-2-[(methoxycarbonyl)amino]- 3-methyl butanoyl}pyrrolidin-2-yl]-1H-imidazol-5-yl}biphenyl-4-yl)-1H- imidazol-2-yl] pyrrolidin-1-yl}-3-methyl-1-oxobutan-2-yl]carbamate 738.9 NA SSSR Diasteriomer

4 Methyl [(2S)-1-{(2S)-2-[5-(4'-{2-[(2S)-1-{(2S)-2- [(methoxycarbonyl) amino]-3- methylbutanoyl}pyrrolidin-2-yl]-1,3-oxazol-5-yl}biphenyl-4-yl)- 1H-imidazol-2- yl]pyrrolidin-1-yl}-3-methyl-1-oxobutan-2-yl]carbamate 739.86 NA Oxazolidine impurity


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