Analysis of vancomycin and its related impurities by hydrophilic interaction liquid chromatography

doi:10.3724/SP.J.1123.2015.05032

Abstract

Abstract:

The current reversed-phase liquid chromatography as the main analytical method for vancomycin is inappropriate due to its poor polarity selectivity and mass spectrometry compatibility. Hydrophilic interaction chromatography (HILIC) method has been verified to provide the glycopeptide substances with good retention and polarity selectivity, therefore, an HILIC method was developed for the analysis of vancomycin and its related impurities including norvancomycin, desvancosaminyl vancomycin, dedichloro vancomycin and crystalline degradation product (CDP-1). In this work, a systematic evaluation of retention behavior of vancomycin and its related impurities in hydrophilic interaction chromatography was performed and the influences of stationary phase, acetonitrile content, buffer salt and pH of mobile phase were studied. According to the results, Click XIon column was selected as stationary phase and ammonium formate was additive in the mobile phase. Vancomycin and its related impurities were totally separated under the optimization conditions. It is concluded that hydrophilic interaction chromatography may be a new strategy for the separation of vancomycin and its structural analogues.

Key words: glycopeptides antibiotics, hydrophilic interaction chromatography (HILIC), impurities analysis, vancomycin

CLC Number:

O658

YAN Jingyu, GUO Zhimou, DING Junjie, SHEN Aijin, WANG Jixia, JIN Gaowa, LIANG Xinmiao. Analysis of vancomycin and its related impurities by hydrophilic interaction liquid chromatography[J]. Chinese Journal of Chromatography, 2015, 33(9): 951-956.

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