8-(Benzyloxy)-2,3,4,9-tetrahydro-1H-carbazol-4-ol 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.