Topic: bocsci

The analysis of impurities in drugs is a very important part. This paper focuses on the important role of the source analysis of impurities and focuses on the development of analytical techniques in the process of impurity research, especially the development of mass spectrometry technology in structure identification. Source analysis of impuritiesImpurities in a drug can arise from manufacturing as well as distribution. According to ICH guidelines, drug impurities can be divided into organic im...