Separation and Determination of Process Related Impurities in Palbociclib: A Rp-hplc Study
D. Srikanth, S. Ganapaty, P. Manik Reddy, G. Sowjanya, K. Sunitha
Journal of Pharmaceutical Research International · pp. 485–499 · Published 25 Sep 2021
10.9734/jpri/2021/v33i44B32700Abstract
Aims: A new gradient RP-HPLC method was developed for the separation and determination of process related impurities in Palbociclib. Methodology: The chromatographic separation was achieved on a Inert sustain swift (C18) column using a mobile phase comprising of perchloric acid and acetonitrile in a gradient mode at a flow rate of 1 mL/min. over a runtime of 50 minutes. All the eluants were monitored at 230 nm. The optimized method was validated as per ICH guidelines for various parameters. Results: The linearity of the method was proposed in the range of LOQ to 250 % for the drug and its impurities by subjecting the data obtained to statistical analysis using correlation coefficient model (r > 0.99). The method also gave acceptable recovery of all the four impurities at each level and was found to be accurate. The % RSD obtained in the method precision and intermediate precision were less than 2% depicting the precision of the method. The LOD and LOQ values were calculated based on the signal to noise ratio and are indicating the sensitivity of the method. The specificity of the method was checked in the presence of process related impurities and also degradants generated by exposing to a variety of forced degradation conditions. Conclusion: The proposed RP-HPLC method for the determination of process related impurities of Palbociclib could be routinely used in the quality control testing.
Cited by 2
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