3-(2-chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

3-(2-氯乙基)-2-甲基-4H-吡啶并[1,2-a]嘧啶-4-酮

Also known as: 3-(2-chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one, 3-(2-chloroethyl)-2-methyl-4H-pyrido[1,2-alpha]pyrimidin-4-one, 4H-Pyrido[1,2-a]pyrimidin-4-one, 3-(2-chloroethyl)-2-methyl-, EINECS 255-207-0, MFCD03085747

3-(2-chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 41078-70-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11ClN2O and a molecular weight of 222.671 g/mol. It is also known as 3-(2-chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one, 3-(2-chloroethyl)-2-methyl-4H-pyrido[1,2-alpha]pyrimidin-4-one and 4H-Pyrido[1,2-a]pyrimidin-4-one, 3-(2-chloroethyl)-2-methyl-. Key properties include a melting point of 146 °C, a boiling point of 348.7±44.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 164.7±28.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

41078-70-0

Jingsj CID

J-1493565-3

Molecular Formula

C₁₁H₁₁ClN₂O

Chinese Name

3-(2-氯乙基)-2-甲基-4H-吡啶并[1,2-a]嘧啶-4-酮

Molecular Weight

222.671 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026