4-Bromo-2-chloropyrimidine is widely used as a key intermediate in organic synthesis, particularly in the pharmaceutical and agrochemical industries. It serves as a building block for the development of various biologically active compounds, including drugs and pesticides. Its reactive bromo and chloro groups allow for selective functionalization, making it valuable in the synthesis of complex molecules. Additionally, it is employed in the production of antiviral and anticancer agents, where its structure can be modified to enhance therapeutic properties. Its versatility also extends to material science, where it is used in the creation of specialty chemicals and advanced materials.