Molecular Formula: C38H50F2N6O11; Molecular Weight: 804.84; Exact Mass: 804.3506; Synonym: Related CAS #: 112811-59-3 (free base) 180200-66-2 (sesquihydrate) 316819-28-0 (mesyalate) 404858-36-2 (hemihydrate); Related CAS#: 180200-66-2 (sesquihydrate); Chemical Name: Gatifloxacin; Gatifloxacin sesquihydrate; InChi Key: 1-cyclopropyl-6-fluoro-8-methoxy-7-(3-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid sesquihydrate; InChi Code: RMJMZKDEVNTXHE-UHFFFAOYSA-N; SMILES: InChI=1S/2C19H22FN3O4.3H2O/c2*1-10-8-22(6-5-21-10)16-14(20)7-12-15(18(16)27-2)23(11-3-4-11)9-13(17(12)24)19(25)26;;/h2*7,9-11,21H,3-6,8H2,1-2H3,(H,25,26);3*1H2; References: Khurana G, Arora S, Pawar PK. Ocular insert for sustained delivery of gatifloxacin sesquihydrate: Preparation and evaluations. Int J Pharm Investig. 2012 Apr;2(2):70-7. doi: 10.4103/2230-973X.100040. PubMed PMID: 23119235; PubMed Central PMCID: PMC3482768.