8-(Benzyloxy)-3-chloro-2,3-dihydro-1H-carbazol-4(9H)-one 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.