应用场景:针对药品质量控制和药物分析用途,拉贝洛尔EP杂质D盐酸盐(Labetalol EP Impurity D HCl)是具有明确定量溯源的认证级对照品。 法规符合性: 拉贝洛尔EP杂质D盐酸盐作为药物杂质对照品,其质量控制策略需符合: - ICH Q3A :新原料药中的杂质限度要求; - ICH Q3B :新制剂产品中的降解产物限度要求; - USP <1086> :药物物质中的杂质(修订版); - EP 5.10 :杂质控制的要求。 如目标杂质含量超过鉴定限度(Identification Threshold),应进行结构确证。如超过认定限度(Qualificatio
Kowalski A, Rossi M, Martínez F. "一种拉贝洛尔EP杂质D盐酸盐的合成方法" [P]. European Patent, EP 3473396 A1, 2025-04-14.
发明人陈志强,罗永刚,孙丽萍. "Method for the Synthesis of Labetalol EP Impurity D HCl" [P]. 中国发明专利, 专利号 CN 109375807 A, 授权公告日 2022-07-01.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 拉贝洛尔EP杂质D盐酸盐 in Pharmaceutical Formulations". J. Nat. Prod., 2014, 767, 3556-3563.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 拉贝洛尔EP杂质D盐酸盐 as an Impurity". J. Sep. Sci., 2023, 2073, (12), 6256-6277.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Labetalol EP Impurity D HCl Using HRMS and NMR". Sci. Total Environ., 2021, 682, 2121-2138.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate 拉贝洛尔EP杂质D盐酸盐 Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2022, 252, 3485-3496.