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

Figure 3

The mass spectra for the three components with their m/z (74.1, 223.0 and 443.9 for 6-APA (c), AMOX (a), and DIC (b), respectively).

(a)

(b)

(c)