1-(benzyloxy)-5-(oxiran-2-ylmethoxy)-9H-carbazole is an intermediate for the synthesis of 8-Hydroxy Carvedilol (H825010), which is a metabolite of Carvedilol (C184625) found in humans, rats, dogs and mice. 8-Hydroxy Carvedilol is a β androneceptor antagonist with antioxidant and free radical scavenger activity.