氨氯地平EP杂质D草酸盐(英文名 Amlodipine EP Impurity D Oxalate,CAS 1216406-90-4)属于药物杂质对照品。分子式 C20H23ClN2O5 C2H2O4。纯度 >95%。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。
Schröder R, Chen K W, Williams B T. "Method for the Synthesis of Amlodipine EP Impurity D Oxalate" [P]. US Patent, US 9086086 B2, 2017-02-10.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 氨氯地平EP杂质D草酸盐 in Pharmaceutical Formulations". Anal. Chim. Acta, 2021, 1869, 5787-5816.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 氨氯地平EP杂质D草酸盐 as an Impurity". Chemosphere, 2014, 1651, 3228-3247.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Amlodipine EP Impurity D Oxalate Using HRMS and NMR". Food Chem., 2022, 264, 9209-9227.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 氨氯地平EP杂质D草酸盐 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2010, 1691, 5019-5036.