N-(2-Propynyl)succinimide is primarily used in organic synthesis as a versatile building block for creating more complex chemical structures. It is often employed in the development of pharmaceuticals, where it serves as an intermediate in the synthesis of active pharmaceutical ingredients (APIs). The compound's propynyl group makes it particularly useful in click chemistry reactions, such as the copper-catalyzed azide-alkyne cycloaddition (CuAAC), which is widely used to create biologically active molecules or to modify biomolecules like proteins and nucleic acids. Additionally, it finds applications in material science, where it is used to design and synthesize polymers with specific properties, such as enhanced stability or functionality. Its reactivity also makes it valuable in the production of agrochemicals, where it can be incorporated into the synthesis of herbicides or pesticides.