Used in organic synthesis as a reagent for the introduction of the 3-cyanopropyl group into various compounds. It is particularly valuable in cross-coupling reactions, such as Negishi coupling, to form carbon-carbon bonds. This chemical is also employed in the preparation of pharmaceuticals and agrochemicals, where the 3-cyanopropyl moiety is required. Additionally, it serves as a building block in the synthesis of complex organic molecules, including natural products and specialty chemicals. Its reactivity with a wide range of electrophiles makes it a versatile tool in synthetic chemistry.