Product Description: Chlorthalidone impurity (ammonium) is the ammonium salt form of the metabolite of Chlorthalidone (HY-15833).Chlorthalidone is a thiazide diuretic used in the study of hypertension[1].
Formula: C14H13ClN2O5S
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.