4-Iodoimidazole 4-Iodoimidazole Synonyms: 4(5)-Iodoimidazole; 4(5)-Iodo-1H-imidazole; 4-Iodo-1H-imidazole; 4(5)-Iodo-1(H)-imidazole CAS NO.: 71759-89-2 Formula: C3H3N2I Weight: 193.97332