?1-Isopropylimidazole , with CAS number of 4532-96-1, can be called 1H-imidazole, 1-(1-methylethyl)- ; 1-(propan-2-yl)-1H-imidazole ; N-Isopropylimidazole ; 1-Isopropylimidazole ; Imidazole,1-isopropyl- (7CI,8CI) .