3-methyl-2-oxo-1,2-dihydroquinoline-4-carboxylic acid

3-甲基-2-氧代-1,2-二氢喹啉-4-羧酸

Also known as: 4-Quinolinecarboxylicacid, 1,2-dihydro-3-methyl-2-oxo-, 2-Hydroxy-3-methyl-4-quinolinecarboxylic acid, 2-Hydroxy-3-methylquinoline-4-carboxylic acid, 3-methyl-2-oxo-1H-quinoline-4-carboxylic acid, 2-keto-3-methyl-1H-quinoline-4-carboxylic acid

3-methyl-2-oxo-1,2-dihydroquinoline-4-carboxylic acid (CAS 6625-08-7) 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 4-Quinolinecarboxylicacid, 1,2-dihydro-3-methyl-2-oxo-, 2-Hydroxy-3-methyl-4-quinolinecarboxylic acid and 2-Hydroxy-3-methylquinoline-4-carboxylic acid. Key properties include a boiling point of 401.9ºC at 760 mmHg, a density of 1.351g/cm3 and a flash point of 196.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6625-08-7

Jingsj CID

J-1031341-3

Molecular Formula

C₁₁H₉NO₃

Chinese Name

3-甲基-2-氧代-1,2-二氢喹啉-4-羧酸

Molecular Weight

203.19400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026