1-(4-Bromophenyl)-3-methylthiourea is primarily used in organic synthesis as an intermediate for the preparation of various heterocyclic compounds. It plays a role in the development of pharmaceuticals, particularly in the synthesis of potential therapeutic agents. Additionally, it is utilized in research settings to study chemical reactions involving thiourea derivatives, which are important in medicinal chemistry and drug discovery. Its application extends to the field of agrochemicals, where it may be involved in the creation of compounds with pesticidal or herbicidal properties.