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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996
EISSN: 1596-9827
Vol. 9, No. 1, 2010, pp. 45-50
Bioline Code: pr10006
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 9, No. 1, 2010, pp. 45-50

 en Stability-Indicating Reverse Phase HPLC Method for the Determination of Cefazolin
Lalitha, N.; Sanjay, Pai P.N.; Vyshak, M.G. & Kadri, Uvesh

Abstract

Purpose: The aim of the present study was to establish the inherent stability of cefazolin through stress studies under a variety of ICH recommended test conditions and, also to develop a stability indicating assay.
Methods: A stability-indicating HPLC assay method was developed and validated for cefazolin using an isocratic RP-HPLC method which employed an SS Wakosil II- C18 column (250 mm × 4.6 mm i.d., 5 µm) with a mobile phase consisting of phosphate buffer (pH 6.8) and methanol (5:2 v/v), and UV detection at 254 nm at a flow rate of 1 ml/min. The stress testing of cefazolin was carried out under acidic, alkaline, neutral, oxidation and thermal conditions.
Results: The drug peak was well resolved from the peaks of the degradation products. The proposed method was validated for sensitivity, selectivity, linearity, accuracy, precision and solution stability. From the degradation studies it was found that the drug was thermally stable but unstable in acidic, alkaline, neutral and oxidative conditions. The response of drug was linear in the concentration Range of 1 - 50 .xsl;*.xsd;*.dtd;*.xslt;*.lbi;*.dwt;*.asp;*.aspx;*.ascx;*.asmx;*.config;*.cs;*.css;*.cfm;*.cfml;*.cfc;*.tld;*.txt;*.php;*.php3;*.php4;*.lasso;*.jsp;*.jsf;*.vb;*.vbs;*.vtm;*.vtml;*.inc;*.java;*.edml;*.wml|TEXT|HTML Documents (*.htm;*.html;*.hta;*.htc;*.xhtml)|*.htm;*.html;*.hta;*.htc;*.xhtml|TEXT|Server-Side In
Conclusion: This study presents a simple and validated stability-indicating HPLC method for the estimation of cefazolin in the presence of degradation products. The developed method is specific, accurate, precise and robust. All the degradation products formed during forced degradation studies were well separated from the analyte peak.

Keywords
Cefazolin; Stability-indicating assay; Reversed-phase HPLC

 
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