Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate

4-氧代-4,5,6,7-四氢吡唑并[1,5-a]吡嗪-2-羧酸乙酯

Also known as: Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate, Pyrazolo[1,5-a]pyrazine-2-carboxylic acid, 4,5,6,7-tetrahydro-4-oxo-, ethyl ester, ethyl 4-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2-carboxylate

Ethyl 4-oxo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylate (CAS 951626-95-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11N3O3 and a molecular weight of 209.202 g/mol. It is also known as Pyrazolo[1,5-a]pyrazine-2-carboxylic acid, 4,5,6,7-tetrahydro-4-oxo-, ethyl ester and ethyl 4-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-2-carboxylate. Key properties include a boiling point of 504.8±45.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 259.1±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

951626-95-2

Jingsj CID

J-871692-3

Molecular Formula

C₉H₁₁N₃O₃

Chinese Name

4-氧代-4,5,6,7-四氢吡唑并[1,5-a]吡嗪-2-羧酸乙酯

Molecular Weight

209.202 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026