CAS CATO-C4X-101965 对应的氟康唑EP杂质G(R-异构体)(Fluconazole EP Impurity G (R-Isomer))为 CATO 佳途药物杂质对照品产品线成员。分子式 C11H9F2N3O,分子量 237.21。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。
Jørgensen K, Mueller T C, Nowak P. "一种氟康唑EP杂质G(R-异构体)的合成方法" [P]. European Patent, EP 3993417 A1, 2018-04-02.
发明人刘建华,马晓峰,黄志刚. "Method for the Synthesis of Fluconazole EP Impurity G (R-Isomer)" [P]. 中国发明专利, 专利号 CN 112480710 B, 授权公告日 2019-06-16.
发明人胡光,何建平,赵玉洁. "A Process for Preparing High-Purity Fluconazole EP Impurity G (R-Isomer)" [P]. 中国发明专利, 专利号 CN 116865058 B, 授权公告日 2023-05-05.
参考文献 Literature
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Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Fluconazole EP Impurity G (R-Isomer) Using HRMS and NMR". Environ. Sci. Technol., 2010, 681, (7), 566-593.