1,4-Dihydro-1,2-dimethyl-4-oxo-3-quinolinecarboxylic acid

1,4-二氢-1,2-二甲基-4-氧代-3-喹啉羧酸

Also known as: 1,2-Dimethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, 1,2-Dimethylquinolin-4-one-3-carboxylic acid, 1,2-Dimethyl-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid, 1,4-Dihydro-1,2-dimethyl-4-oxoquinoline-3-carboxylic acid, 3-Quinolinecarboxylic acid, 1,4-dihydro-1,2-dimethyl-4-oxo-

1,4-Dihydro-1,2-dimethyl-4-oxo-3-quinolinecarboxylic acid (CAS 73281-83-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H11NO3 and a molecular weight of 217.221 g/mol. It is also known as 1,2-Dimethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, 1,2-Dimethylquinolin-4-one-3-carboxylic acid and 1,2-Dimethyl-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid. Key properties include a boiling point of 352.7±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 167.1±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

73281-83-1

Jingsj CID

J-1551626-6

Molecular Formula

C₁₂H₁₁NO₃

Chinese Name

1,4-二氢-1,2-二甲基-4-氧代-3-喹啉羧酸

Molecular Weight

217.221 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026