3-(4-Fluorophenyl)-5-methylisoxazole-4-carboxylic acid

3-(4-氟苯基)-5-甲基-4-异恶唑羧酸

Also known as: 3-(4-Fluorophenyl)-5-methyl-4-isoxazolecarboxylic acid, 3-(4-Fluorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid, 4-Isoxazolecarboxylic acid, 3-(4-fluorophenyl)-5-methyl-, 3-(4-Fluorophenyl)-5-methylisoxazol-4-carboxylic acid

3-(4-Fluorophenyl)-5-methylisoxazole-4-carboxylic acid (CAS 1736-21-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H8FNO3 and a molecular weight of 221.18500 g/mol. It is also known as 3-(4-Fluorophenyl)-5-methyl-4-isoxazolecarboxylic acid, 3-(4-Fluorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid and 4-Isoxazolecarboxylic acid, 3-(4-fluorophenyl)-5-methyl-. Key properties include a melting point of 198-202ºC, a boiling point of 361.6ºC at 760mmHg, a density of 1.35g/cm3 and a flash point of 172.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1736-21-6

Jingsj CID

J-1083727-8

Molecular Formula

C₁₁H₈FNO₃

Chinese Name

3-(4-氟苯基)-5-甲基-4-异恶唑羧酸

Molecular Weight

221.18500 g/mol

Category

Organic Acids

Last updated

8/21/2026