Used as an intermediate in pharmaceutical synthesis, particularly in the development of active pharmaceutical ingredients (APIs) where protected amino groups are required. The Boc-protected amine allows for controlled deprotection during peptide or heterocyclic compound assembly, making it valuable in medicinal chemistry. The ester group enables further functionalization, such as hydrolysis to carboxylic acid or amidation, supporting the construction of complex drug molecules. Commonly applied in research settings for synthesizing analogs in structure-activity relationship (SAR) studies.