N'-(2-Chlorobenzyloxycarbonyl)-L-ornithine is primarily utilized in peptide synthesis as a protecting group for the amino acid ornithine. It helps prevent unwanted side reactions during the formation of peptide bonds, ensuring the integrity and specificity of the peptide chain. This compound is particularly valuable in the development of complex peptides and proteins, where selective protection and deprotection of functional groups are critical. Additionally, it finds application in biochemical research for studying enzyme-substrate interactions and designing peptide-based drugs or inhibitors. Its use contributes to advancements in medicinal chemistry and the production of therapeutic agents targeting various diseases.