地尔硫卓USP相关杂质H盐酸盐(英文名 Diltiazem USP Related Compound H HCl,CAS 115992-91-1(Free Base))属于药物杂质对照品。分子式 C17H18N2O3S HCl。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。
Williams B T, Brown S R, Lee S K. "一种地尔硫卓USP相关杂质H盐酸盐的合成方法" [P]. US Patent, US 11116442 B2, 2019-08-15.
发明人韩伟,孙丽萍,高志强. "Method for the Synthesis of Diltiazem USP Related Compound H HCl" [P]. 中国发明专利, 专利号 CN 115582570 A, 授权公告日 2025-10-06.
发明人钱学锋,李文辉,沈红梅. "A Process for Preparing High-Purity Diltiazem USP Related Compound H HCl" [P]. 中国发明专利, 专利号 CN 112916443 A, 授权公告日 2020-06-05.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 地尔硫卓USP相关杂质H盐酸盐 in Pharmaceutical Formulations". Molecules, 2015, 2364, (3), 1795-1823.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 地尔硫卓USP相关杂质H盐酸盐 as an Impurity". Environ. Sci. Technol., 2017, 1654, (2), 9863-9888.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Diltiazem USP Related Compound H HCl Using HRMS and NMR". Phytochemistry, 2015, 1961, 8224-8234.