(4-Formylnaphthalen-1-yl)boronic acid is primarily utilized in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions. This reaction is widely employed to form carbon-carbon bonds, making the compound valuable in the production of pharmaceuticals, agrochemicals, and advanced materials. Its boronic acid group acts as a key functional moiety, enabling efficient coupling with aryl halides in the presence of a palladium catalyst. Additionally, the formyl group on the naphthalene ring provides a reactive site for further functionalization, allowing the synthesis of complex organic molecules. This compound is also explored in the development of fluorescent probes and sensors due to its unique structural properties, which can interact with specific analytes or biological targets. Its versatility makes it a useful intermediate in both academic research and industrial applications.