4-oxo-3-phenyl-3,4-dihydrophthalazine-1-carboxylic acid

4-氧代-3-苯基-3,4-二氢酞嗪-1-羧酸

Also known as: 1-Phthalazinecarboxylic acid, 3,4-dihydro-4-oxo-3-phenyl-, 4-Oxo-3-phenyl-3,4-dihydro-1-phthalazinecarboxylic acid, 4-Oxo-3-phenyl-3,4-dihydro-phthalazine-1-carboxylic acid, 4-oxo-3-phenyl-phthalazine-1-carboxylic acid, 4-oxo-3-phenylphthalazine-1-carboxylic acid, 3-Phenyl-phthalazon-(4)-carbonsaeure-(1), NSC 26348

4-oxo-3-phenyl-3,4-dihydrophthalazine-1-carboxylic acid (CAS 57531-19-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H10N2O3 and a molecular weight of 266.251 g/mol. It is also known as 1-Phthalazinecarboxylic acid, 3,4-dihydro-4-oxo-3-phenyl-, 4-Oxo-3-phenyl-3,4-dihydro-1-phthalazinecarboxylic acid and 4-Oxo-3-phenyl-3,4-dihydro-phthalazine-1-carboxylic acid. Key properties include a melting point of 115 °C, a boiling point of 488.8±28.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 249.4±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

57531-19-8

Jingsj CID

J-1313802-8

Molecular Formula

C₁₅H₁₀N₂O₃

Chinese Name

4-氧代-3-苯基-3,4-二氢酞嗪-1-羧酸

Molecular Weight

266.251 g/mol

Category

Organic Acids

Last updated

8/21/2026