(S)-7-(3-((3-Carboxy-8-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinolin-7-yl)amino)azepan-1-yl)-8-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

Chemical Name:(S)-7-(3-((3-Carboxy-8-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinolin-7-yl)amino)azepan-1-yl)-8-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid
Molecular Formula:C₃₂H₂₈Cl₂F₂N₄O₆
Molecular Weight:673.49
Category:Standards; Pharmaceutical/API Drug Impurities/Metabolites;
Applications:(S)-7-(3-((3-Carboxy-8-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinolin-7-yl)amino)azepan-1-yl)-8-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid is an impurity of Besifloxacin (B319000), a broad spectrum fluoroquinolone antibiotic that is active against ocular pathogens including Streptococcus pneumonia, Staphylococcus aureus, Staphylococcus epidermidis, Haemophilus influenza, and Moraxella catarrhalis.
References:Chhote, L. S., et al.:  J. drug deliv. ther. 4, 39 (2014); Ward, K., et al.: J. Oc. Pharmacol. Ther., 23, 243 (2007), Haas, W., et al.: Antimicrob. Ag. Chemother., 53, 3552 (2009)
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