XAV-939

Also known as: XAV939, NVP-XAV 939, 2-[4-(trifluoromethyl)phenyl]-3,5,7,8-tetrahydro-4H-thiopyrano[4,3-d]pyrimidin-4-one, 3,5,7,8-tetrahydro-2-[4-(trifluoromethyl)phenyl]-4H-thiopyrano[4,3-d]pyrimidin-4-one, 2-[4-(trifluoromethyl)phenyl]-1,5,7,8-tetrahydro-4H-thiopyrano[4,3-d]pyrimidin-4-one, 4H-Thiopyrano[4,3-d]pyrimidin-4-one, 3,5,7,8-tetrahydro-2-[4-(trifluoromethyl)phenyl]-, CS-300, SteMolecule

XAV-939 (CAS 284028-89-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H11F3N2OS and a molecular weight of 312.310 g/mol. It is also known as XAV939, NVP-XAV 939 and 2-[4-(trifluoromethyl)phenyl]-3,5,7,8-tetrahydro-4H-thiopyrano[4,3-d]pyrimidin-4-one. Key properties include a boiling point of 429.3ºC at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 213.4ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

284028-89-3

Jingsj CID

J-1957181-2

Molecular Formula

C₁₄H₁₁F₃N₂OS

Molecular Weight

312.310 g/mol

Category

Organic Compounds

Last updated

8/21/2026