Chlorthalidone impurity (ammonium) is the ammonium salt form of the metabolite of Chlorthalidone .Chlorthalidone is a thiazide diuretic used in the study of hypertension.
References:
[1]. Bauer J, et al. Stability-indicating assay for chlorthalidone formulation: evaluation of the USP analysis and a high-performance liquid chromatographic analysis. J Pharm Sci. 1983 Aug;72(8):924-8.
[2]. Barrios V, et al. Which thiazide to choose as add-on therapy for hypertension Integr Blood Press Control. 2014 Jul 30;7:35-47.
















