USPUSP-NF
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Chlorthalidone
C14H11ClN2O4S 338.76
 Benzenesulfonamide, 2-chloro-5-(2,3-dihydro-1-hydroxy-3-oxo-1H-isoindol-1-yl)-;
 2-Chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl)benzenesulfonamide [77-36-1]

DEFINITION

Chlorthalidone contains NLT 98.0% and NMT 102.0% of chlorthalidone (C14H11ClN2O4S), calculated on the dried basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Chlorthalidone RS
USP Chlorthalidone Related Compound A RS
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