Used primarily as a building block in organic synthesis, especially in the development of pharmaceuticals and biologically active compounds. Its strained aziridine ring allows for ring-opening reactions, making it valuable for introducing amino functionalities into molecules. Commonly employed in the synthesis of peptidomimetics and beta-amino acids due to its structural similarity to natural amino acids. Also utilized in the preparation of polymers and cross-linking agents, where the aziridine group acts as a reactive site for chain extension or network formation. Its reactivity enables efficient alkylation of nucleophiles such as amines, thiols, and alcohols under mild conditions.