青霉素G EP杂质F (2R,4S-异构体)(英文名 Benzylpenicillin EP Impurity F (2R,4S-Isomer),CAS 73184-06-2)属于药物杂质对照品。分子式 C15H20N2O3S,分子量 308.40。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。
Martínez F, Johansson L, Nielsen H. "Method for the Synthesis of Benzylpenicillin EP Impurity F (2R,4S-Isomer)" [P]. European Patent, EP 3155382 A1, 2025-02-16.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 青霉素G EP杂质F (2R,4S-异构体) in Pharmaceutical Formulations". Phytochemistry, 2025, 1441, 5776-5792.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 青霉素G EP杂质F (2R,4S-异构体) as an Impurity". J. Nat. Prod., 2018, 1838, (9), 9441-9456.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Benzylpenicillin EP Impurity F (2R,4S-Isomer) Using HRMS and NMR". Anal. Chem., 2011, 505, (2), 7101-7126.