1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid

1,5-二甲基-3-氧代-2-苯基-2,3-二氢-1H-吡唑-4-羧酸

Also known as: 1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazole-4-carboxylic acid, 1,5-dimethyl-3-oxo-2-phenyl-pyrazole-4-carboxylic acid, antipyrinecarboxylic acid, antipytic acid, 4-carboxyantipyrine, 1H-pyrazole-4-carboxylic acid, 2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-

1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid (CAS 83-10-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H12N2O3 and a molecular weight of 232.23500 g/mol. It is also known as 1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazole-4-carboxylic acid, 1,5-dimethyl-3-oxo-2-phenyl-pyrazole-4-carboxylic acid and antipyrinecarboxylic acid. Key properties include a melting point of 213 - 214 °C(甲醇); 219 - 221 °C, a boiling point of 363ºC at 760mmHg, a density of 1.342g/cm3 and a flash point of 173.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

83-10-3

Jingsj CID

J-1155253-2

Molecular Formula

C₁₂H₁₂N₂O₃

Chinese Name

1,5-二甲基-3-氧代-2-苯基-2,3-二氢-1H-吡唑-4-羧酸

Molecular Weight

232.23500 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026