Tenapanor Hydrochloride and its Impurities

Tenapanor Hydrochloride, used in form of tenapanor hydrochloride and sold under the brand name Ibsrela, is a treatment for adults with a disease of the gut called irritable bowel syndrome with constipation. Reference standards of Tenapanor Hydrochloride API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.