Erythromycin A Oxime

Impurity Clarithromycin EP Impurity J Applications Erythromycin A Oxime (Roxithromycin Impurity C) (Clarithromycin EP Impurity J) is the major metabolite of Roxithromycin and an intermediate of Azithromycin. Antibacterial agent. Roxithromycin impurity C. References Ferrero, J., et al.: Drug Metab. Dispos., 18, 441 (1990), Gase, C., et al.: J. Antibiot., 44, 313 (1991), Markham, A., et al.: Drugs, 48, 297 (1994), Jarukamjorn, K., et al.: J. Pharm. Pharmacol., 50, 515 (1998),