(4-Methylstyryl)boronic acid is primarily used in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions. This reaction is a widely employed method for forming carbon-carbon bonds, making the compound valuable in the production of pharmaceuticals, agrochemicals, and advanced materials. Its structure allows it to act as a key intermediate in the synthesis of complex organic molecules, including those with potential therapeutic properties. Additionally, it is utilized in the development of organic electronic materials, such as OLEDs, due to its ability to facilitate the creation of conjugated systems. The compound’s stability and reactivity make it a versatile tool in both academic research and industrial applications.