Pharmacophore an International Research Journal
Pharmacophore
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Open Access | Published: 2011 - Issue 2

VALIDATED RP - HPLC METHOD FOR THE ESTIMATION OF OXYBUTYNIN IN FORMULATION Download PDF


Suman Avula, K. Naveen Babu, M.V. Ramana
Abstract

A simple, selective, linear, precise and accurate RP-HPLC method was developed and validated for rapid assay of Oxybutynin in tablet dosage form. Isocratic elution at a flow rate of 1.0ml/min was employed on a symmetry C18 (250x4.6mm, 5μm in particle size) at ambient temperature. The mobile phase consisted of 1% orthophosphoric acid: acetonitrile: methanol 40:45:15 (V/V/V). The UV detection wavelength was 205nm and 20μl sample was injected. The retention time for Oxybutynin was 2.435 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 Oxybutynin in tablet dosage form.

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Pharmacophore
ISSN: 2229-5402


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