3-Hydroxyisoxazole-5-carboxylic acid

3-羟基异噁唑-5-羧酸

Also known as: 2,3-Dihydro-3-oxo-5-isoxazolecarboxylic acid, 3-Hydroxy-5-isoxazolecarboxylic acid, 3-oxo-2,3-dihydroisoxazole-5-carboxylic acid, 3-oxo-1,2-oxazole-5-carboxylic acid, 3-Oxo-2,3-dihydro-1,2-oxazole-5-carboxylic acid, 5-Isoxazolecarboxylic acid, 2,3-dihydro-3-oxo-

3-Hydroxyisoxazole-5-carboxylic acid (CAS 13626-60-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H3NO4 and a molecular weight of 129.071 g/mol. It is also known as 2,3-Dihydro-3-oxo-5-isoxazolecarboxylic acid, 3-Hydroxy-5-isoxazolecarboxylic acid and 3-oxo-2,3-dihydroisoxazole-5-carboxylic acid. Key properties include a melting point of 265°C, a boiling point of 462.7±30.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 233.6±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

13626-60-3

Jingsj CID

J-1510759-8

Molecular Formula

C₄H₃NO₄

Chinese Name

3-羟基异噁唑-5-羧酸

Molecular Weight

129.071 g/mol

Category

Organic Acids

Last updated

8/21/2026