Allyl cyanide is primarily used in organic synthesis as a building block for more complex molecules. It serves as a precursor in the production of pharmaceuticals, agrochemicals, and specialty chemicals. Its reactive allyl group and nitrile functionality make it valuable for creating compounds with diverse applications. In the pharmaceutical industry, it is utilized in the synthesis of active pharmaceutical ingredients (APIs) and intermediates. Additionally, it finds use in the development of flavors and fragrances due to its ability to contribute unique chemical structures. In research, it is employed as a reagent in various chemical reactions, including polymerization and cyclization processes. Its versatility in chemical transformations makes it a useful component in industrial and laboratory settings.