esomeprazole magnesium and its Impurities

Esomeprazole Magnesium is a magnesium salt of Esomeprazole, which is the (S)-(−)-enantiomer of omeprazole and a proton pump inhibitor. It is used to reduce the stomach acid. It treats gastroesophegeal reflux and peptic ulcers. Reference standards of Esomeprazole Magnesium API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.