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Active Pharmaceutical Ingredients
Clarithromycin (CAS 81103-11-9) is a semi-synthetic macrolide antibiotic derived from erythromycin via C-6 methylation. It features the molecular formula C38H75NO13 and is produced through fermentation followed by chemical modification to enhance acid stability.
Contraindicated with ergot alkaloids, cisapride, and pimozide due to QT prolongation risks. Store in cool, dry conditions below 25°C away from moisture. Use appropriate PPE during handling to prevent respiratory sensitization.