Roxithromycin EP Impurity J

Roxithromycin EP Impurity J is a chemical compound that is commonly used in the pharmaceutical industry as a reference standard or impurity in the quality control of Roxithromycin, an antibiotic medication used to treat various bacterial infections. It is also known as 9-desoxo-9a-methyl-9a-aza-9a-homoerythromycin A-6, and its molecular formula is C40H69N3O13. In terms of its chemical properties, Roxithromycin EP Impurity J is a semi-synthetic derivative of erythromycin, which belongs to the macrolide family of antibiotics. It has a complex structure consisting of a 14-membered lactone ring, a sugar moiety, and an amino acid side chain. The presence of a nitrogen atom in the lactone ring makes it aza-macrolide, which is more stable and less prone to microbial resistance than other macrolides. The usage of Roxithromycin EP Impurity J is mainly for analytical purposes, such as identification, quantification, and characterization of Roxithromycin and its related substances in drug products or raw materials. It can be used as a chromatographic standard in high-performance liquid chromatography (HPLC) or gas chromatography (GC), or as a reference material in spectroscopic techniques such as nuclear magnetic resonance (NMR) or mass spectrometry (MS). In conclusion, Roxithromycin EP Impurity J is a valuable chemical compound that plays a crucial role in ensuring the quality and safety of Roxithromycin-based medications. Its chemical information and usage are essential for pharmaceutical companies, regulatory agencies, and researchers who work in the field of antibiotics and drug development.