7-Chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid

7-氯-1-乙基-6-氟-1,4-二氢-4-氧代喹啉-3-羧酸

Also known as: 1-Ethyl-7-chloro-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, 7-Chloro-1,4-dihydro-1-ethyl-6-fluoro-4-oxo-3-quinolinecarboxylic acid, 7-Chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid, 7-Chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, 7-Chloro-1-ethyl-6-fluoro-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid, Norfloxacin EP Impurity A, Norfloxacin impurity A, 3-Quinolinecarboxylic acid, 7-chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-, AKOS 1303, MFCD00792459

7-Chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid (CAS 68077-26-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H9ClFNO3 and a molecular weight of 269.656 g/mol. It is also known as 1-Ethyl-7-chloro-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, 7-Chloro-1,4-dihydro-1-ethyl-6-fluoro-4-oxo-3-quinolinecarboxylic acid and 7-Chloro-1-ethyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid. Key properties include a melting point of 245°C, a boiling point of 437.9±45.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 218.7±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

68077-26-9

Jingsj CID

J-3744-8

Molecular Formula

C₁₂H₉ClFNO₃

Chinese Name

7-氯-1-乙基-6-氟-1,4-二氢-4-氧代喹啉-3-羧酸

Molecular Weight

269.656 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026