Boc-Nle-OH is widely used in peptide synthesis as a protective agent for amino acids. It plays a crucial role in the production of complex peptides by safeguarding the amino group during reactions, ensuring precise and controlled synthesis. This chemical is particularly valuable in pharmaceutical research, where it aids in the development of peptide-based drugs and therapeutic agents. Additionally, it is utilized in biochemical studies to explore protein structures and functions, contributing to advancements in understanding biological processes. Its stability and compatibility with various synthesis protocols make it a preferred choice in organic and medicinal chemistry laboratories.