864544-37-6

2-?(1-?Methylethoxy)?ethyl ester-4-?[2-?hydroxy-?3-?[(1-?methylethyl)?amino]?propoxy]? benzoic Acid is a derivative of Keto Bisoprolol Hydrochloride (K175150). 2-?(1-?Methylethoxy)?ethyl ester-4-?[2-?hydroxy-?3-?[(1-?methylethyl)?amino]?propoxy]? benzoic acid was used for optimization and validation of a new RP-HPLC method for simultaneous determination of bisoprolol fumarate, hydrochlorothiazide and impurities A, L, K and B were presented.

An impurity of Bisoprolol (B510500). Bisoprolol ester Impurity