gatifloxacin sesquihydrate and its Impurities

Gatifloxacin Sesquihydrate is an antibiotic agent and a member of the fourth-generation fluoroquinolone family. It works by inhibiting the bacterial enzymes DNA gyrase and topoisomerase IV. It is available as tablets and in various aqueous solutions for intravenous therapy. It is also available as eye drops under the brand name Zymar® marketed by Allergan. Reference standards of Gatifloxacin Sesquihydrate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.