Alvimopan Dihydrate and its Impurities

Alvimopan is used to help the bowel recover more quickly after bowel surgery, so that you can eat solid foods and have regular bowel movements. Alvimopan is in a class of medications called peripherally acting mu-opioid receptor antagonists. Reference standards of Alvimopan Dihydrate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.