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Novel HPLC method for quantitative determination of cefazolin sodium in pharmaceutical formulations

Authors Hasan N, Sher N, Siddiqui FA, Ahmad M, Shafi N, Sial AA, Baig MT

Received 25 January 2013

Accepted for publication 17 May 2013

Published 14 August 2013 Volume 2013:3 Pages 21—28

DOI https://doi.org/10.2147/RRMC.S43254

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2


Najmul Hasan,1 Nawab Sher,2 Farhan Ahmed Siddiqui,2–4 Mansoor Ahmad,3 Nighat Shafi,4 Ali Akbar Sial,4 Mirza Tasawer Baig4

1Department of Microbiology, 2Department of Chemistry, 3Research Institute of Pharmaceutical Sciences, Faculty of Science, University of Karachi, 4Faculty of Pharmacy, Federal Urdu University Arts, Science and Technology, Karachi, Pakistan

Abstract: This paper reports a validated high-performance liquid chromatography method which is rapid, highly specific, and accurate for determination of cefazolin sodium in injectable pharmaceutical formulations. Separation was carried out using a Hibar® µBondapak® C18 column with a mobile phase consisting of an acetonitrile to monobasic sodium phosphate buffer ratio of 17:83 and a flow rate of 1.0 mL per minute, and monitoring at a wavelength of 254 nm. The calibration curve was linear, with a correlation coefficient >0.9995 in the range of 5–100 µg/mL. Drug recovery was 98.35%–100.86%, with a limit of detection of 12.92 ng/mL and a limit of quantification of 43.09 ng/mL. The drug was subjected to stress conditions of hydrolysis (acid, base, oxidation, and thermal degradation), where maximum degradation was observed. Forced degradation studies confirmed stability indicating power of this method, which was validated in accordance with International Conference on Harmonization guidelines and used successfully to quantify the amounts of cefazolin sodium in bulk injectable formulations and in physiological fluid.

Keywords: cefazolin sodium, blood serum, high-performance liquid chromatography

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