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• W4387621386 abstract "Reverse‐phase high‐performance liquid chromatography method has been developed for the determination of brivaracetam (BRV) with its stereoisomeric impurities (BRV-SS), (BRV-RR) and (BRV- RS). Brivaracetam with its impurities has been eluted with good resolution using the chiral column, chiralpakIG (250 × 4.6mm, 5µ) column at the detection wavelength of 210nm with the flow rate of 0.50ml/minute. The separation was achieved with the mobile phase consisted of methanol: acetonitrile and trifluoroacetic acid in the volume ratio of 90:10:0.1. The column temperature was maintained at 30°C and detection wavelength was maintained at 210 nm. Brivaracetum (BRV), and stereoisomeric impurities, BRV-SS, BRV-RR and BRV-RS, were eluted at 13.829, 11.810, 10.448 and 9.449 min, respectively. The method showed adequate specificity, sensitivity, linearity, accuracy, precision, and robustness inline to ICH tripartite guidelines. The limit of detections were 0.2 μg/mL for BRV-SS and BRV-RR, for BRV-RS it was found 0.1μg/mL.The limit of quantification limits were 0.5μg/mL for BRV-SS, BRV-RR and for BRV-RS as well.The developed method was found to be linear over the concentration range of 0.5-20µg/mL for BRV-RS, for BRV-RR and BRV-RS it was 0.5-3µg/mLfor stereoisomeric impurities with a correlation coefficient of 0.999. The developed method was found precise (%RSD = 0.5%, 0.6% and 0.5% for BRV-SS, BRV-RR and BRV-RS,) accurate (with 96%–107% recovery) and found robust. The validation parameters of the developed method were within the limits as per the regulation of ICH Q2(R1) guidelines. Therefore, in this present method a good separation was achieved specifically for the identification of brivaracetam and its processed related stereoisomeric impurities using high performance liquid chromatography and found suitable for the quantification of stereoisomeric impurities of brivaracetam in bulk scale as well." @default.
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• W4387621386 date "2023-07-24" @default.
• W4387621386 modified "2023-10-15" @default.
• W4387621386 title "A Novel RP-Chiral Separation Technique for the Quantification of Brivaracetam and its process Related Isomeric Impurities using High Performance Liquid Chromatography" @default.
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• W4387621386 doi "https://doi.org/10.52711/0974-360x.2023.00516" @default.
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