3-hydroxypyrazine-2-carboxylic acid

3-羟基-2-吡嗪甲酸

Also known as: 2-hydroxy-3-pyrazinecarboxylic acid, 2-hydroxypyrazine-3-carboxylic acid, 3-oxo-3,4-dihydropyrazine-2-carboxylic acid, 2-carboxy-3-hydroxypyrazine, 3-oxo-3,4-dihydro-2-pyrazinecarboxylic acid, 2-oxo-1,2-dihydropyrazine-3-carboxylic acid, 2-oxo-1H-pyrazine-3-carboxylic acid, 3-hydroxy-pyrazine-2-carboxylic acid, 3-oxo-3,4-dihydro-pyrazine-2-carboxylic acid, MFCD00235136

3-hydroxypyrazine-2-carboxylic acid (CAS 20737-42-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H4N2O3 and a molecular weight of 140.097 g/mol. It is also known as 2-hydroxy-3-pyrazinecarboxylic acid, 2-hydroxypyrazine-3-carboxylic acid and 3-oxo-3,4-dihydropyrazine-2-carboxylic acid. Key properties include a melting point of 218-220 °C, a boiling point of 608.5±55.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 321.8±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

20737-42-2

Jingsj CID

J-1033494-4

Molecular Formula

C₅H₄N₂O₃

Chinese Name

3-羟基-2-吡嗪甲酸

Molecular Weight

140.097 g/mol

Category

Organic Acids

Last updated

8/21/2026