ANALYTICAL METHOD VALIDATION OF GLICLAZIDE RELATED SUBSTANCES BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY METHOD
Keywords:Method validation, Relative standard deviation, System suitability, Limit of detection, Limit of quantitation, Impurity-F, Gliclazide, RS-HPLC
Objective: The present study was undertaken with the objective of method validation of a rapid, simple, cost-effective HPLC method for the determination of related substances of Gliclazide.
Methods: A simple, rapid, and specific method for analysis of gliclazide by a sensitive high-performance liquid chromatographic method is described.
Validation of the method is carried out by USP and ICH guidelines. The method was validated for parameters like accuracy, precision, linearity, specificity, robustness, and system suitability. These proposed methods are suitable for the determination of title drugs in quality control laboratories in the pharmaceutical industries.
Results: The mobile phase used for the chromatographic runs consisted of (450 ml) of acetonitrile and (550 ml) of water. The separation was achieved on the LiChroCART Supersher RP-8 column, (250 mm × 4.0 mm, 5 µm), using isocratic mode. Drug peaks were well separated and were detected by a UV detector at 235 nm, the method was linear at the concentration range. Gliclazide limit of detection (LOD) and limit of quantification (LOQ) was 0.003 and 0.01 while LOD and LOQ for Impurity-F were 0.003 and 0.01 respectively.
Conclusion: The presented validated method is rapid, economic, simple, accurate, sensitive, robust, specific, and linear. It can be used for routine analysis of gliclazide.
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