1H-Imidazole-4,5-dicarbonitrile,2-amino- , its cas register number is 40953-34-2. It also can be called 2-Amino-4,5-dicyano-1H-imidazole ; 2-Amino-1H-imidazole-4,5-dicarbonitrile ; and 4,5-Dicyano-2-aminoimidazole .