(4,6-Dimethylpyrimidin-5-yl)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 carbon-carbon bonds, which are essential for constructing complex molecules in drug development. The compound serves as a key intermediate in the synthesis of various bioactive compounds, including potential therapeutic agents. Its boronic acid group facilitates the formation of aryl-aryl bonds, making it valuable in the production of heterocyclic compounds. Additionally, it is utilized in material science for the development of organic electronic materials and polymers, where precise molecular structures are crucial for desired properties.