Article Subject
Chemistry
Abstract

A simple, precise and accurate RP-HPLC method was developed and validated for rapid assay of Tadalafil tablet dosage form. Isocratic elution at a flow rate of 1.3ml/min was employed on a symmetry Chromosil C18 (250x4.6mm, 5µm in particle size) at ambient temperature. The mobile phase consisted of Methanol: Acetonitrile 65:35 v/v. The UV detection wavelength was 222 nm and 20µl sample was injected. The retention time for Tadalafil was 7.8 min. The percentage RSD for precision and accuracy of the method was found to be less than 2%. The method was validated as per the ICH guidelines. The method was successfully applied for routine analysis of Tadalafil tablet dosage form and bulk drug.

Keywords
Tadalafil
RP-HPLC
UV detection
recovery
precise
222 nm
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