Characterization of the impurities and isomers in cefetamet pivoxil hydrochloride by liquid chromatography/time-of-flight mass spectrometry and ion trap mass spectrometry

被引：8
|
作者：
Wang, Dandan [1 ,2 ]
Wang, Fan [3 ]
Wang, Jian [2 ]
机构：
[1] Zhejiang Univ Technol, Hangzhou 310004, Zhejiang, Peoples R China
[2] Zhejiang Inst Food & Drug Control, Hangzhou 310004, Zhejiang, Peoples R China
[3] Zhejiang Univ, Sch Med, Hangzhou 310004, Zhejiang, Peoples R China
来源：
JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS | 2015年 / 111卷
关键词：
Liquid chromatography/quadrupole time-of-flight mass spectrometry; Liquid chromatography/ion trap mass spectrometry; Cefetamet pivoxil hydrochloride; Impurity and isomer; Characterization; RAPID IDENTIFICATION;
D O I：
10.1016/j.jpba.2015.03.013
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Ten impurities and isomers in cefetamet pivoxil hydrochloride drug substance made in China were separated and identified by HPLC-MSn (TOF and TRAP). Their fragmentation patterns and structural assignment were studied based on the HPLC-MSn data. Among the ten impurities and isomers, impurity VII was isolated by preparative HPLC, and its structure was confirmed by H-1 NMR data. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：71 / 77
页数：7
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