Used primarily in organic synthesis, this compound serves as a key intermediate in the production of pharmaceuticals and agrochemicals. Its structure, featuring a benzonitrile group and a phenylethynyl moiety, makes it valuable for constructing complex molecules through cross-coupling reactions. It is also employed in materials science for developing organic electronic materials, such as semiconductors and light-emitting diodes (LEDs), due to its conjugated system that facilitates electron transport. Additionally, it finds use in research for studying reaction mechanisms and developing new synthetic methodologies.