Standards; Amino Acids/Peptides; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
(S)-4-Methyl-N-((S)-1-(((S)-4-methyl-1-(((S)-1-(((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)amino)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide is an impurity of Carfilzomib (C183460), a second-generation proteasome inhibitor that is used as a treatment in relapsed and refractory multiple myeloma.