Used as a protected amine building block in organic synthesis, particularly in peptide and pharmaceutical manufacturing. The tert-butyl carbamate (Boc) group provides stability under various reaction conditions while the cyanoethyl moiety can be further modified or removed selectively. It is valuable in solid-phase synthesis and drug development where controlled deprotection and functional group compatibility are required. Commonly employed in the preparation of active pharmaceutical ingredients (APIs) and agrochemicals due to its reliability in multi-step reactions.