Ethyl 4-oxo-1,9a-dihydro-4H-pyrimido[1,2-a]pyrimidine-3-carboxylate

4-氧代-1,9a-二氢-4H-嘧啶[1,2-a]嘧啶-3-羧酸乙酯

Also known as: 4H-Pyrimido[1,2-a]pyrimidine-3-carboxylic acid, 4-oxo-, ethyl ester, 4-Oxo-1,9a-dihydro-4H-pyrimido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester, Ethyl 4-oxo-4,9a-dihydro-1H-pyrimido[1,2-a]pyrimidine-3-carboxylate, 4H-Pyrimido[1,2-a]pyrimidine-4-oxo-3-carboxylic acid ethyl ester, Ethyl 4-oxo-4H-pyrimido[1,2-a]pyrimidine-3-carboxylate

Ethyl 4-oxo-1,9a-dihydro-4H-pyrimido[1,2-a]pyrimidine-3-carboxylate (CAS 40519-95-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H11N3O3 and a molecular weight of 221.21300 g/mol. It is also known as 4H-Pyrimido[1,2-a]pyrimidine-3-carboxylic acid, 4-oxo-, ethyl ester, 4-Oxo-1,9a-dihydro-4H-pyrimido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester and Ethyl 4-oxo-4,9a-dihydro-1H-pyrimido[1,2-a]pyrimidine-3-carboxylate. Key properties include a boiling point of 435.7ºC at 760 mmHg, a density of 1.4g/cm3 and a flash point of 217.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

40519-95-7

Jingsj CID

J-1525235-3

Molecular Formula

C₁₀H₁₁N₃O₃

Chinese Name

4-氧代-1,9a-二氢-4H-嘧啶[1,2-a]嘧啶-3-羧酸乙酯

Molecular Weight

221.21300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026