8-chloro-1-cyclopropyl-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid

8-氯-1-环丙基-6,7-二氟-1,4-二氢-4-氧代喹啉-3-羧酸

Also known as: 8-chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid, 1-cyclopropyl-6,7-difluoro-8-chloro-4-oxo-1,4-dihydroquinolin-3-carboxylic acid, 8-chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, 1-cyclopropyl-8-chloro-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid, besifloxacin intermediate

8-chloro-1-cyclopropyl-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 101987-89-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H8ClF2NO3 and a molecular weight of 299.65700 g/mol. It is also known as 8-chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid, 1-cyclopropyl-6,7-difluoro-8-chloro-4-oxo-1,4-dihydroquinolin-3-carboxylic acid and 8-chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid. Key properties include a melting point of 194-195ºC, a boiling point of 466.648ºC at 760 mmHg, a density of 1.716 g/cm3 and a flash point of 236.021ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

101987-89-7

Jingsj CID

J-989560-7

Molecular Formula

C₁₃H₈ClF₂NO₃

Chinese Name

8-氯-1-环丙基-6,7-二氟-1,4-二氢-4-氧代喹啉-3-羧酸

Molecular Weight

299.65700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026