United States Pharmacopeia (USP) Reference Standard
Synonym(s): (±)-Metoprolol (+)-tartrate salt; (±)1-(Isopropylamino)-3-[p-(β-methoxyethyl)phenoxy]-2-propanol (+)-tartrate salt; Lopressor
Empirical Formula: C30H50N2O6 -+ C4H6O6
Formula Weight: 684.81
Linear Formula: (C15H25NO3)2 -+ C4H6O6
MDL Number: MFCD00056257