343785-33-1

1,3-Bis[(1-methylethyl)amino]-2-propanol (Metoprolol EP Impurity M) is an impurity of Metoprolol (M338790), a β1 selective aryloxypropanolamine andrenergic antagonist which ois used in the treatment of a variety of cardiovascular disorder (1,2). Antihypertensive; antianginal; antiarrhythmic (class II).