The chemical Oprozomib has a designated molecular formula of C25H32N4O7S and a molecular weight of 532.612 g/mol. Synonyms may include: UNII-MZ37792Y8J, ONX 0912, O-Methyl-N-((2-methylthiazol-5-yl)carbonyl)-L-seryl-O-methyl-N-((1S)-1-benzyl-2-((2R)- 2-methyloxiran-2-yl)-2-oxoethyl)-L-serinamide, ONX-0912, PR 047 (ChemID).