(2-(pyrimidin-5-yl)pyridin-4-yl)boronic acid is primarily utilized 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 key intermediate in the development of drugs, enabling the synthesis of biologically active molecules with potential therapeutic applications. Additionally, it is used in materials science for the preparation of organic electronic materials, including polymers and small molecules, which are essential in the fabrication of organic light-emitting diodes (OLEDs) and other optoelectronic devices. Its boronic acid group allows for versatile functionalization, making it a valuable building block in various research and industrial applications.