(6-Cyanopyridin-3-yl)boronic acid is primarily used in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions. This reaction is widely employed in the pharmaceutical industry to create complex organic molecules, including drug candidates. The compound serves as a key intermediate in the synthesis of various heterocyclic compounds, which are essential in developing active pharmaceutical ingredients (APIs). Additionally, it is utilized in materials science for the preparation of advanced organic materials, such as polymers and ligands for catalysis. Its boronic acid group allows for efficient coupling with aryl halides, making it a versatile building block in medicinal chemistry and material research.