8,9-Difluoro-5-methyl-1-oxo-1,5,6,7-tetrahydropyrido[3,2,1-ij]quinoline-2-carboxylic acid

8,9-Difluoro-5-methyl-1-oxo-1,5,6,7-tetrahydropyrido[3,2,1-ij]quinoline-2-carboxylic acid, with CAS 80076-47-7, is an organic compound characterized by its difluorinated quinoline core and a carboxylic acid functional group. Its molecular formula is C14H11F2NO3 and its molecular weight is 279.24 g/mol. This compound is recognized as Nadifloxacin Impurity A, indicating its potential utility as a reference standard or starting material in the synthesis and quality control of Nadifloxacin and related fluoroquinolone antibiotics. Researchers may utilize this compound in medicinal chemistry, drug discovery, and analytical method development for pharmaceutical substances.

• Handle with appropriate personal protective equipment (PPE) including gloves, eye protection, and a lab coat. Use in a well-ventilated area or fume hood. Avoid inhalation, ingestion, and skin contact. Refer to the Safety Data Sheet (SDS) for detailed safety information and emergency procedures. Store in a cool, dry place, away from incompatible materials.