7-Amino-4,5-dihydro-5-oxo-pyrazolo[1,5-a]pyrimidine-3-carbonitrile

7-氨基-4,5-二氢-5-氧代-吡唑并[1,5-a]嘧啶-3-甲腈

Also known as: 7-Amino-4,5-dihydro-5-oxo-pyrazolo[1,5-a]pyrimidine-3-carbonitrile, 7-Amino-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile, 7-Amino-5-oxo-1H-pyrazolo[1,5-a]pyrimidine-3-carbonitrile, Pyrazolo[1,5-a]pyrimidine-3-carbonitrile, 7-amino-4,5-dihydro-5-oxo-, 7-AMINO-4,5-DIHYDRO-5-OXO-PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBONITRILE

7-Amino-4,5-dihydro-5-oxo-pyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 138904-35-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5N5O and a molecular weight of 175.148 g/mol. It is also known as 7-Amino-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile, 7-Amino-5-oxo-1H-pyrazolo[1,5-a]pyrimidine-3-carbonitrile and Pyrazolo[1,5-a]pyrimidine-3-carbonitrile, 7-amino-4,5-dihydro-5-oxo-. Key properties include a boiling point of 335.4±42.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 156.6±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

138904-35-5

Jingsj CID

J-1082182-2

Molecular Formula

C₇H₅N₅O

Chinese Name

7-氨基-4,5-二氢-5-氧代-吡唑并[1,5-a]嘧啶-3-甲腈

Molecular Weight

175.148 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026