西酞普兰EP杂质B 草酸盐(英文名 Citalopram EP Impurity B Oxalate,CAS 1332724-03-4)属于药物杂质对照品。分子式 4*C20H21FN2O2 4*C2H2O4。纯度 97%+。佳途科技作为 ISO 17034 认可的标准物质生产商,为该产品提供完整的质量文件与技术支持。
Yamamoto T, Klinger H, Brown S R. "一种西酞普兰EP杂质B 草酸盐的合成方法" [P]. US Patent, US 9088168 B2, 2020-12-09.
发明人胡光,郑宇鹏,张德明. "Method for the Synthesis of Citalopram EP Impurity B Oxalate" [P]. 中国发明专利, 专利号 CN 111318706 B, 授权公告日 2020-09-19.
Klinger H, Patel M V, Fischer A B. "A Process for Preparing High-Purity Citalopram EP Impurity B Oxalate" [P]. US Patent, US 9460656 B2, 2024-07-10.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of 西酞普兰EP杂质B 草酸盐 in Pharmaceutical Formulations". Molecules, 2019, 1171, 8359-8371.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 西酞普兰EP杂质B 草酸盐 as an Impurity". J. Pharm. Biomed. Anal., 2015, 2425, 3879-3897.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Citalopram EP Impurity B Oxalate Using HRMS and NMR". Anal. Chem., 2018, 1574, (10), 4746-4761.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate 西酞普兰EP杂质B 草酸盐 Profile in Drug Substances According to ICH Guidelines". Talanta, 2020, 1100, (8), 4211-4223.