Simultaneous Assay of Dexchlorpheniramine Maleate, Betamethasone, and Sodium Benzoate in Syrup by a Reliable and Robust HPLC Method

Figure 1

Chromatogram of mix standard solution (a), Xifapro sample solution (b), placebo (c) and peak purity of analytes (peak of dexchlorpheniramine (d), peak of sodium benzoate (e) and peak of betamethasone (f)). 1, peak of dexchlorpheniramine, 2, peak of sodium benzoate, 3, peak of betamethasone.

(a)

(b)

(c)

(d)

(e)

(f)