Development and Validation of Ecofriendly HPLC-MS Method for Quantitative Assay of Amoxicillin, Dicloxacillin, and Their Official Impurity in Pure and Dosage Forms

Figure 1

The chemical structure of AMOX (a), DIC (b) and their common impurity 6-APA (c).

(a)

(b)

(c)