Used as an intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) where protection of functional groups is required. Its structure allows for selective reactions in multi-step organic syntheses, especially in the preparation of beta-blockers and other cardiovascular drugs. Commonly employed in peptide chemistry and drug design due to its ability to act as a protecting group for amines, enabling controlled reaction conditions without interference from reactive amine functionalities. Also utilized in the production of agrochemicals and specialty polymers where regulated reactivity is essential.