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

4-氧代-3,4-二氢酞嗪-1-羧酸

Also known as: 4-hydroxyphthalazine-1-carboxylic acid, 4-oxo-3,4-dihydro-1-phthalazinecarboxylic acid, 4-oxo-3,4-dihydro-phthalazine-1-carboxylic acid, 4-oxo-3H-phthalazine-1-carboxylic acid, 1-Phthalazinecarboxylic acid, 3,4-dihydro-4-oxo-

4-oxo-3,4-dihydrophthalazine-1-carboxylic acid (CAS 3260-44-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H6N2O3 and a molecular weight of 190.15600 g/mol. It is also known as 4-hydroxyphthalazine-1-carboxylic acid, 4-oxo-3,4-dihydro-1-phthalazinecarboxylic acid and 4-oxo-3,4-dihydro-phthalazine-1-carboxylic acid. Key properties include a boiling point of 591.8ºC at 760mmHg, a density of 1.56g/cm3 and a flash point of 311.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3260-44-4

Jingsj CID

J-1118682-7

Molecular Formula

C₉H₆N₂O₃

Chinese Name

4-氧代-3,4-二氢酞嗪-1-羧酸

Molecular Weight

190.15600 g/mol

Category

Organic Acids

Last updated

8/21/2026