Pemirolast

吡嘧司特

Also known as: 9-methyl-3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-one, 9-methyl-3-(2H-tetrazol-5-yl)pyrido[1,2-a]pyrimidin-4-one, 3-(1H-tetrazol-5-yl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine, 4H-Pyrido[1,2-a]pyrimidin-4-one, 9-methyl-3-(1H-tetrazol-5-yl)-, Pemirolastum, UNII-2C09NV773M, MFCD00864611, Pemirox, 9-TBX, Hsdb 7291

Pemirolast (CAS 69372-19-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H8N6O and a molecular weight of 228.21000 g/mol. It is also known as 9-methyl-3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-one, 9-methyl-3-(2H-tetrazol-5-yl)pyrido[1,2-a]pyrimidin-4-one and 3-(1H-tetrazol-5-yl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine. Key properties include a melting point of 310-311ºC (decomposes), a boiling point of 454.8ºC at 760 mmHg, a density of 1.64 g/cm3 and a flash point of 228.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

69372-19-6

Jingsj CID

J-30500-8

Molecular Formula

C₁₀H₈N₆O

Chinese Name

吡嘧司特

Molecular Weight

228.21000 g/mol

Category

Organic Compounds

Last updated

8/21/2026