Development and Validation of New RP-HPLC Method for Simultaneous Determination of Methyl and Propyl Parabens with Levetiracetam in Pure Form and Pharmaceutical Formulation

Figure 1

A typical chromatogram of a 10 μL injection of a standard mixture of 1000, 20, and 2 μgmL⁻¹ LTC, MHB, and PHB, respectively, by isocratic elution using Hypersil cyano analytical columns (150 mm × 4.6 mm), detection at 254 nm, and the other chromatographic conditions as optimized.