3-Bromo-5-chloro-tert-butylbenzene is primarily used as an intermediate in organic synthesis, particularly in the development of complex chemical compounds. It plays a significant role in the production of pharmaceuticals, where it serves as a building block for active pharmaceutical ingredients (APIs). Additionally, it is utilized in the synthesis of agrochemicals, contributing to the creation of herbicides, pesticides, and fungicides. Its structure makes it valuable in material science for the development of specialty chemicals, including polymers and coatings. The compound is also employed in research and development for studying reaction mechanisms and designing novel molecules with specific properties.