Method for detecting 2-nitro-4-methoxyaniline in escomeprazole magnesium and intermediate thereof

The invention belongs to the technical field of pharmaceutical analysis, particularly relates to a method for detecting 2-nitro-4-anisidine in escomeprazole magnesium and an intermediate thereof, and provides a convenient, efficient and accurate detection method for solving the detection problem of the 2-nitro-4-anisidine in the escomeprazole magnesium and the intermediate thereof. The method can be used for detecting the content of 2-nitro-4-anisidine in the escomeprazole magnesium and the intermediate thereof, so that the medication safety is effectively guaranteed, the quality control of the escomeprazole magnesium and the intermediate thereof is facilitated, and the method is convenient, efficient, and accurate. The method completely accords with the guidance principle verified by a Chinese pharmacopoeia method in the aspects of system applicability, repeatability, specificity and accuracy, and can be used for quality control of escomeprazole magnesium and the intermediate thereof. 本发明属于药物分析技术领域，具体涉及一种艾司奥