5-Oxo-4,5-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid

5-氧代-4,5-二氢吡唑并[1,5-a]嘧啶-3-羧酸

Also known as: 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 5-oxo-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 4,5-dihydro-5-oxo-, 5-Hydroxy-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid

5-Oxo-4,5-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 1224944-46-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5N3O3 and a molecular weight of 179.133 g/mol. It is also known as 5-Oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 5-oxo-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid and Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 4,5-dihydro-5-oxo-. Key properties include a boiling point of 339.8±42.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 159.3±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1224944-46-0

Jingsj CID

J-1387579-0

Molecular Formula

C₇H₅N₃O₃

Chinese Name

5-氧代-4,5-二氢吡唑并[1,5-a]嘧啶-3-羧酸

Molecular Weight

179.133 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026