Oprozomib (ONX 0912)

Also known as: 4,5-Anhydro-1,2-dideoxy-4-methyl-2-({O-methyl-N-[(2-methyl-1,3-thiazol-5-yl)carbonyl]-L-seryl-O-methyl-L-seryl}amino)-1-phenyl-D-erythro-pent-3-ulose, CS-696, D-erythro-3-Pentulose, 4,5-anhydro-1,2-dideoxy-4-C-methyl-2-[[O-methyl-N-[(2-methyl-5-thiazolyl)carbonyl]-L-seryl-O-methyl-L-seryl]amino]-1-phenyl-, LY335979 ONX-0912, N-[(2S)-3-methoxy-1-[[(2S)-3-methoxy-1-[[(2S)-1-[(2R)-2-methyloxiran-2-yl]-1-oxo-3-phenylpropan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]-2-methyl-1,3-thiazole-5-carboxamide, O-Methyl-N-[(2-methyl-5-thiazolyl)carbonyl]-L-seryl-O-methyl-N-[(1S)-2-[(2R)-2-methyl-2-oxiranyl]-2-oxo-1-(phenylmethyl)ethyl]-L-serinamide, ONX 0912, ONX-0912, OprozoMib, OprozoMib (ONX-0912), Ortho-Methyl-N-[(2-Methyl-5-Thiazolyl)Carbonyl]- L-Seryl-Ortho-Methyl-N-[(1s)-2-[(2r)-2-Methyl-2- Oxiranyl]-L-Serinamide, PR-047, QC-9273

Oprozomib (ONX 0912) (CAS 935888-69-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C25H32N4O7S and a molecular weight of 532.609 g/mol. It is also known as 4,5-Anhydro-1,2-dideoxy-4-methyl-2-({O-methyl-N-[(2-methyl-1,3-thiazol-5-yl)carbonyl]-L-seryl-O-methyl-L-seryl}amino)-1-phenyl-D-erythro-pent-3-ulose, CS-696 and D-erythro-3-Pentulose, 4,5-anhydro-1,2-dideoxy-4-C-methyl-2-[[O-methyl-N-[(2-methyl-5-thiazolyl)carbonyl]-L-seryl-O-methyl-L-seryl]amino]-1-phenyl-. Key properties include a boiling point of 849.9±65.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 467.8±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

935888-69-0

Jingsj CID

J-1986907-0

Molecular Formula

C₂₅H₃₂N₄O₇S

Molecular Weight

532.609 g/mol

Category

Organic Compounds

Last updated

8/21/2026