N-Carbobenzoxy-1,6-diaminohexane Hydrochloride is primarily used in peptide synthesis as a protecting group for amino acids. It helps to prevent unwanted reactions at the amino group during the formation of peptide bonds, ensuring the synthesis proceeds efficiently. This compound is particularly valuable in the production of complex peptides and proteins, where selective protection and deprotection of functional groups are crucial. Additionally, it finds application in biochemical research for studying enzyme mechanisms and protein interactions due to its ability to modify amino groups in a controlled manner. Its stability and reactivity make it a reliable reagent in organic and medicinal chemistry for designing and synthesizing biologically active molecules.