头孢唑林EP杂质D(钠盐)(Cefazolin EP Impurity D Sodium Salt,CAS 号 27164-45-0)是 CATO 佳途自主生产的药物杂质对照品,分子式 C13H13N6O6S Na。纯度 97%+。本品采用严格的质量控制体系生产,附 COA 证书,适用于药物研发、质量控制和法规申报等场景。
发明人徐明华,何建平,钱学锋. "Method for the Synthesis of Cefazolin EP Impurity D Sodium Salt" [P]. 中国发明专利, 专利号 CN 108046237 A, 授权公告日 2016-10-12.
参考文献 Literature
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Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Cefazolin EP Impurity D Sodium Salt Using HRMS and NMR". Chromatographia, 2021, 2429, 1304-1330.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 头孢唑林EP杂质D(钠盐) Profile in Drug Substances According to ICH Guidelines". Food Chem., 2025, 235, (12), 4898-4926.