Development and Validation of a Liquid Chromatography Method for the Analysis of Rivaroxaban and Determination of Its Production Related Impurities

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The purpose of this work was to develop a sensitive and validated HPLC method for analysis of rivaroxaban and estimation of related impurities in parent drug substance and pharmaceutical dosage forms. The analysis was carried out on a Macherey-Nagel Nucleodur C18 column (250 × 4.6 mm, 5 μm particle size) with a mobile phase containing acetonitrile and water in gradient program at a flow rate of 1.5 mL/min, the column oven temperature 55°C, and the UV detector wavelength set at 254 nm. The method was validated according to USP38-NF33 guideline recommendations and to the ICH guidelines for validation. The linearity, selectivity, accuracy, precision, robustness, LOD and LOQ characteristics of the proposed method showed acceptable values. The method is suitable for practical routine analysis of drug substance and pharmaceutical dosage forms, and it was successfully used to analyze Rovaltro (Syrian product) and Xarelto (brand product). All the analysis results were acceptable according to pharmaceutical requirements.