3-Cyano-1,2-dihydro-4-hydroxy-2-oxopyridine

3-氰基-4-羟基-2(1H)-吡啶酮

Also known as: 1,2-Dihydro-4-hydroxy-2-oxopyridine-3-carbonitrile, 3-Cyano-4-hydroxypyridin-2(1H)-one, 4-Hydroxy-2-oxo-1,2-dihydropyridine-3-carbonitrile, 3-Pyridinecarbonitrile, 1,2-dihydro-4-hydroxy-2-oxo-, NSC 409910

3-Cyano-1,2-dihydro-4-hydroxy-2-oxopyridine (CAS 5657-64-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4N2O2 and a molecular weight of 136.108 g/mol. It is also known as 1,2-Dihydro-4-hydroxy-2-oxopyridine-3-carbonitrile, 3-Cyano-4-hydroxypyridin-2(1H)-one and 4-Hydroxy-2-oxo-1,2-dihydropyridine-3-carbonitrile. Key properties include a boiling point of 301.2±42.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 136.0±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5657-64-7

Jingsj CID

J-1033028-7

Molecular Formula

C₆H₄N₂O₂

Chinese Name

3-氰基-4-羟基-2(1H)-吡啶酮

Molecular Weight

136.108 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026