Ethyl 3-bromo-5-chlorobenzoate finds its primary application in organic synthesis as a versatile intermediate. It is commonly used in the preparation of more complex chemical compounds, particularly in pharmaceutical research and development. The presence of both bromo and chloro substituents on the aromatic ring makes it a valuable building block for constructing molecules with specific biological activities. Additionally, it is employed in the synthesis of agrochemicals, where its structural features contribute to the development of active ingredients for crop protection. Its ester group also allows for further functionalization, enabling the creation of diverse chemical entities for various industrial applications.