格隆溴铵EP杂质N 溴盐(英文名 Glycopyrronium Bromide EP Impurity N Bromide,CAS 58493-54-2)属于药物杂质对照品。分子式 C19H28NO3 Br。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。
发明人冯建国,杨光,钱学锋. "Method for the Synthesis of Glycopyrronium Bromide EP Impurity N Bromide" [P]. 中国发明专利, 专利号 CN 114349730 B, 授权公告日 2023-10-08.
Hughes D C, Park J H, Yamamoto T. "A Process for Preparing High-Purity Glycopyrronium Bromide EP Impurity N Bromide" [P]. US Patent, US 10510566 B2, 2015-07-06.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 格隆溴铵EP杂质N 溴盐 in Pharmaceutical Formulations". Sci. Total Environ., 2025, 395, (7), 6912-6929.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 格隆溴铵EP杂质N 溴盐 as an Impurity". J. Nat. Prod., 2014, 1659, (8), 5552-5578.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Glycopyrronium Bromide EP Impurity N Bromide Using HRMS and NMR". Chromatographia, 2011, 1272, (1), 4889-4899.