| | Identification | Back Directory |  | [Name] 
 (S)-4-Methyl-N-((S)-1-(((R)-4-Methyl-1-((S)-2-Methyloxiran-2-yl)-1-oxopentan-2-yl)aMino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-MorpholinoacetaMido)-4-phenylbutanaMido)pentanaMide
 |  | [CAS] 
 2049025-67-2
 |  | [Synonyms] 
 Kyprolis Impurity 39
 (R,S)-Epoxy Leucine Carfilzomib
 (S)-4-Methyl-N-((S)-1-(((R)-4-Methyl-1-((S)-2-Methyloxiran-2-yl)-1-oxopentan-2-yl)aMino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-MorpholinoacetaMido)-4-phenylbutanaMido)pentanaMide
 |  | [Molecular Formula] 
 C40H57N5O7
 |  | [MOL File] 
 2049025-67-2.mol
 |  | [Molecular Weight] 
 719.91
 | 
 | Hazard Information | Back Directory |  | [Uses] 
 (αS)-α-[[2-(4-Morpholinyl)acetyl]amino]benzenebutanoyl-L-leucyl-N-[(1R)-3-methyl-1-[[(2S)-2-methyl-2-oxiranyl]carbonyl]butyl]-L-phenylalaninamide is an impurity of Carfilzomib (C183460), which is a second-generation proteasome inhibitor that is used as a treatment in relapsed and refractory multiple myeloma.
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