CAS: 82875-49-8 Molecular Formula: C14 H11 Cl N2 O3 S Molecular Weight (g/mol): 322.77 Synonym: Benzenesulfonamide, 2-chloro-5-(2,3-dihydro-3-oxo-1H-isoindol-1-yl)-,2-Chloro-5-(2,3-dihydro-3-oxo-1H-isoindol-1-yl)benzenesulfonamide,2-Chloro-5-[(1RS)-3-oxo-2,3-dihydro-1H-isoindol-1-yl]benzenesulfonamide,3-Dehydroxy Chlorthalidone,Chlortalidone Imp. E (EP) IUPAC Name: 2-chloro-5-(3-oxo-1,2-dihydroisoindol-1-yl)benzenesulfonamide SMILES: NS(=O)(=O)c1cc(ccc1Cl)C2NC(=O)c3ccccc23