Used primarily in peptide synthesis as a protected L-lysinol derivative, where the carboxylic acid of lysine is reduced to a primary alcohol. This enables the introduction of a C-terminal amino alcohol moiety in peptides, facilitating selective deprotection and assembly of complex peptide structures with modified termini. The t-butyl (Boc) and benzyl (Cbz) protecting groups on the alpha- and epsilon-amino groups, respectively, support orthogonal protection strategies, making it valuable in both solid-phase and solution-phase synthesis. Commonly applied in the production of pharmaceutical intermediates, bioactive peptides with alcohol termini, and peptidomimetics where precise sequencing and functional group modification are required. Also utilized in research for developing enzyme inhibitors, protease substrates, and modified proteins.