2-Bromo-3-chloropyridine-4-boronic acid is primarily used in organic synthesis, particularly in cross-coupling reactions such as the Suzuki-Miyaura reaction. This reaction is widely employed in the pharmaceutical industry to create complex molecules by forming carbon-carbon bonds. The compound serves as a versatile building block for synthesizing various heterocyclic compounds, which are essential in drug development. Its boronic acid group facilitates coupling with aryl or vinyl halides, enabling the construction of diverse chemical structures. Additionally, it is utilized in material science for designing organic electronic materials and polymers. Its unique structure allows for precise modifications, making it valuable in research and industrial applications.