(2-Nitrophenyl)phenylamine-d5 is deuterium labeled(2-Nitrophenyl)phenylamine (N504458), a compound used for the synthesis ofbenzimidazoles, quinazolin-4(3H)-ones and 1,4-benzodiazepine-2,5-diones with a palladium catalyst.(2-Nitrophenyl)phenylamine is also suitable formetal-free transfer hydrogenation of nitroarenes in water with Vasicine (V099150).