product description： 4-Bromo-1H-imidazole (4-Br-1H-Im) is a heterocyclic building block containing an imidazole ring. It crystallizes in the monoclinic space group P21/c. application： 4-Bromo-1H-imidazole may be used as a starting material to prepare 5(4)-bromo-4(5)-nitroimidazole.It may be used in the synthesis of the following aminoimidazoles via palladium catalyzed amination:N-(4-ethoxyphenyl)-1H-imidazol-4-amine.N-(2,5-dimethoxyphenyl)-1H-imidazol-4-amine.N-(3-phenoxyphenyl)-1H-imidazol-4-amine.N-(4-cyanophenyl)-1H-imidazol-4-amine.N-(pyridin-3-yl)-1H-imidazol-4-amine