1-Methyl-1H-pyrazole-5-carbonitrile

1-甲基-1H-吡唑-5-甲腈

Also known as: 1-Methyl-5-cyano-1H-pyrazole, 1-Methyl-5-cyanopyrazole, 1-Methylpyrazole-5-carbonitrile, 2-Methyl-2H-pyrazole-3-carbonitrile, 2-Methylpyrazole-3-carbonitrile, 5-Cyano-1-methylpyrazole, 1H-Pyrazole-5-carbonitrile, 1-methyl-

1-Methyl-1H-pyrazole-5-carbonitrile (CAS 66121-72-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5N3 and a molecular weight of 107.11300 g/mol. It is also known as 1-Methyl-5-cyano-1H-pyrazole, 1-Methyl-5-cyanopyrazole and 1-Methylpyrazole-5-carbonitrile. Key properties include a boiling point of 230.218ºC at 760 mmHg, a density of 1.121 g/cm3 and a flash point of 93.033ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

66121-72-0

Jingsj CID

J-1445961-0

Molecular Formula

C₅H₅N₃

Chinese Name

1-甲基-1H-吡唑-5-甲腈

Molecular Weight

107.11300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026