3-Quinolinecarboxylic acid, 1,4-dihydro-8-methyl-4-oxo-

8-甲基-4-氧代-1,4-二氢-喹啉-3-羧酸

Also known as: 8-METHYL-4-OXO-1,4-DIHYDRO-QUINOLINE-3-CARBOXYLIC ACID, 8-METHYL-4-OXO-1,4-DIHYDRO-3-QUINOLINECARBOXYLIC ACID, 8-Methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, AURORA 17735, OTAVA-BB BB0107830100, SALOR-INT L149438-1EA, 8-methyl-1,4-dihydroquinolin-4-one-3-carboxylic acid

3-Quinolinecarboxylic acid, 1,4-dihydro-8-methyl-4-oxo- (CAS 57278-42-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9NO3 and a molecular weight of 203.19400 g/mol. It is also known as 8-METHYL-4-OXO-1,4-DIHYDRO-QUINOLINE-3-CARBOXYLIC ACID, 8-METHYL-4-OXO-1,4-DIHYDRO-3-QUINOLINECARBOXYLIC ACID and 8-Methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid. Key properties include a boiling point of 374.1ºC at 760 mmHg, a density of 1.367 g/cm3 and a flash point of 180.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

57278-42-9

Jingsj CID

J-1073173-2

Molecular Formula

C₁₁H₉NO₃

Chinese Name

8-甲基-4-氧代-1,4-二氢-喹啉-3-羧酸

Molecular Weight

203.19400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026