2,5-Dimethylpyrazolo[1,5-a]pyrimidin-7(4H)-one

2,5-二甲基吡唑并[1,5-a]嘧啶-7(4H)-酮

Also known as: 2,5-Dimethyl-4H-pyrazolo[1,5-a]pyrimidin-7-one, 2,5-Dimethylpyrazolo[1,5-a]pyrimidin-7-one, 2,5-Dimethyl-4,7-dihydropyrazolo[1,5-a]pyrimidin-7-one, 2,5-dimethyl-7-oxopyrazolo[1,5-a]pyrimidine, MFCD00210153

2,5-Dimethylpyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 98488-10-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9N3O and a molecular weight of 163.17700 g/mol. It is also known as 2,5-Dimethyl-4H-pyrazolo[1,5-a]pyrimidin-7-one, 2,5-Dimethylpyrazolo[1,5-a]pyrimidin-7-one and 2,5-Dimethyl-4,7-dihydropyrazolo[1,5-a]pyrimidin-7-one. Key properties include a melting point of 252-254ºC, a boiling point of 266.3ºC at 760mmHg, a density of 1.35g/cm3 and a flash point of 114.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

98488-10-9

Jingsj CID

J-3488-3

Molecular Formula

C₈H₉N₃O

Chinese Name

2,5-二甲基吡唑并[1,5-a]嘧啶-7(4H)-酮

Molecular Weight

163.17700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026