Development And Validation of Rp-HPLC Method for The Estimation of Calcipotriene in Tablet Dosage Form
Abstract
This study presents the development and validation of a Reverse Phase High-Performance Liquid Chromatography (RP-HPLC) method for the quantitative determination of Calcipotriene, an anti-cancer agent. The chromatographic separation was achieved using an Agilent C18 column (250 mm × 4.6 mm, 5 μm) with methanol and water (0.05% OPA, pH 3.5) in the ratio of 65:35 v/v as mobile phase at a flow rate of 0.7 ml/min. Detection was carried out at 264 nm with a retention time of approximately 6.8 minutes. The method was validated according to ICH guidelines, demonstrating linearity in the concentration range of 10-50 μg/ml with a correlation coefficient (r²) of 0.999 and linear regression equation y = 22.17x + 21.41. The developed method showed good resolution, symmetrical peak shape (symmetry factor 0.85), and theoretical plates (11465), indicating method efficiency. This simple, precise, and accurate analytical method can be effectively applied for routine analysis of Calcipotriene in pharmaceutical formulations.
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