1-(3-Bromophenyl)thiourea is primarily utilized in organic synthesis as a building block for the preparation of more complex chemical compounds. It serves as a key intermediate in the development of pharmaceuticals, particularly in the synthesis of compounds with potential therapeutic properties. Additionally, it is employed in research settings to study its role in chemical reactions, such as the formation of heterocycles, which are important in drug discovery. Its application also extends to material science, where it can be used to modify surfaces or create specialized polymers. The compound's thiourea moiety makes it useful in coordination chemistry for binding to metal ions, aiding in the development of catalysts or sensors.