8,9-difluoro-5-methyl-1,7-dioxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-2-carboxylic acid

8,9-二氟-5-甲基-1,7-二氧代-6,7-二氢-1H,5H-吡啶并[3,2,1-ij]喹啉-2-羧酸

Also known as: 1H,5H-Benzo[ij]quinolizine-2-carboxylic acid, 8,9-difluoro-6,7-dihydro-5-methyl-1,7-dioxo-, 8,9-difluoro-5-methyl-1,7-dioxo-6,7-dihydro-1H,5H-pyrido[3,2,1]quinoline-2-carboxylic acid, 8,9-difluoro-5-methyl-1,7-dioxo-1,5,6,7-tetrahydropyrido[3,2,1-ij]quinoline-2-carboxylic acid, hms561o19, ccg-51600, dtxsid80369622, sr-01000640892-1, ft-0621487, 7,8-difluoro-12-methyl-4,10-dioxo-1-azatricyclo[7.3.1.05,13]trideca-2,5,7,9(13)-tetraene-3-carboxylic acid, oprea1_241824, maybridge1_007191

8,9-difluoro-5-methyl-1,7-dioxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-2-carboxylic acid (CAS 306935-69-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H9F2NO4 and a molecular weight of 293.222 g/mol. It is also known as 1H,5H-Benzo[ij]quinolizine-2-carboxylic acid, 8,9-difluoro-6,7-dihydro-5-methyl-1,7-dioxo-, 8,9-difluoro-5-methyl-1,7-dioxo-6,7-dihydro-1H,5H-pyrido[3,2,1]quinoline-2-carboxylic acid and 8,9-difluoro-5-methyl-1,7-dioxo-1,5,6,7-tetrahydropyrido[3,2,1-ij]quinoline-2-carboxylic acid. Key properties include a melting point of 323ºC, a boiling point of 532.1±50.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 275.6±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

306935-69-3

Jingsj CID

J-1148355-7

Molecular Formula

C₁₄H₉F₂NO₄

Chinese Name

8,9-二氟-5-甲基-1,7-二氧代-6,7-二氢-1H,5H-吡啶并[3,2,1-ij]喹啉-2-羧酸

Molecular Weight

293.222 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026