CAS 30269-50-2 对应的丁溴东莨菪碱EP杂质D(Hyoscine Butylbromide EP Impurity D Bromide)为 CATO 佳途药物杂质对照品产品线成员。分子式 C20H28NO4 Br。纯度 >95%。所有批次均经 HPLC/NMR 等多项检测确认,质量稳定可溯源。
发明人罗永刚,孙丽萍,李文辉. "Method for the Synthesis of Hyoscine Butylbromide EP Impurity D Bromide" [P]. 中国发明专利, 专利号 CN 111775576 A, 授权公告日 2022-03-04.
发明人何建平,周伟,沈红梅. "A Process for Preparing High-Purity Hyoscine Butylbromide EP Impurity D Bromide" [P]. 中国发明专利, 专利号 CN 117020878 A, 授权公告日 2015-11-01.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 丁溴东莨菪碱EP杂质D in Pharmaceutical Formulations". J. Nat. Prod., 2022, 2468, 2068-2096.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 丁溴东莨菪碱EP杂质D as an Impurity". Phytochemistry, 2022, 86, 1407-1437.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Hyoscine Butylbromide EP Impurity D Bromide Using HRMS and NMR". Sci. Total Environ., 2024, 946, 1441-1469.