Pyrimido[4,5-c]pyridazin-5(1H)-one

嘧啶并[4,5-c]哒嗪-5(1H)-酮

Also known as: Pyrimido[4,5-c]pyridazin-5(6H)-one, 6H-Pyrimido[4,5-c]pyridazin-5-one, 8H-pyrimido[4,5-c]pyridazin-5-one, 1H,5H-pyrimido[4,5-c]pyridazin-5-one, Pyrimido[4,5-c]pyridazin-5-ol, 5-Hydroxypyrimido[4,5-c]pyridazine, pyridazino[3,4-d]pyrimidin-5(1H)-one, Pyrimido[4,5-c]pyridazin-5(1H) (9CI), BB_NC-1241

Pyrimido[4,5-c]pyridazin-5(1H)-one (CAS 34122-01-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4N4O and a molecular weight of 148.12200 g/mol. It is also known as Pyrimido[4,5-c]pyridazin-5(6H)-one, 6H-Pyrimido[4,5-c]pyridazin-5-one and 8H-pyrimido[4,5-c]pyridazin-5-one. Key properties include a melting point of >300ºC, a boiling point of 452.2ºC at 760 mmHg, a density of 1.68 g/cm3 and a flash point of 227.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

34122-01-5

Jingsj CID

J-1437102-8

Molecular Formula

C₆H₄N₄O

Chinese Name

嘧啶并[4,5-c]哒嗪-5(1H)-酮

Molecular Weight

148.12200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026