9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one

9-甲基-3,4-二氢-2H-吡啶并[1,2-a]嘧啶-2-酮

Also known as: 2H-Pyrido[1,2-a]pyrimidin-2-one, 3,4-dihydro-9-methyl-, 3,4-Dihydro-9-methyl-2H-pyrido[1,2-a]pyrimidin-2-one, 3,4-Dihydro-9-methyl-2H-pyrido[1,2-α]pyrimidin-2-one, 9-Methyl-3,4-dihydropyrido[1,2-a]pyrimidin-2-one, Acid Captor 9M, ACID CAPTOR 9M, NSC 330751, MFCD00059749

9-Methyl-3,4-dihydro-2H-pyrido[1,2-a]pyrimidin-2-one (CAS 61751-44-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H12N2O and a molecular weight of 164.20400 g/mol. It is also known as 2H-Pyrido[1,2-a]pyrimidin-2-one, 3,4-dihydro-9-methyl-, 3,4-Dihydro-9-methyl-2H-pyrido[1,2-a]pyrimidin-2-one and 3,4-Dihydro-9-methyl-2H-pyrido[1,2-α]pyrimidin-2-one. Key properties include a melting point of 226 °C, a boiling point of 279.6ºC at 760 mmHg, a density of 1.22 g/cm3 and a flash point of 122.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

61751-44-8

Jingsj CID

J-40882-2

Molecular Formula

C₉H₁₂N₂O

Chinese Name

9-甲基-3,4-二氢-2H-吡啶并[1,2-a]嘧啶-2-酮

Molecular Weight

164.20400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026