Boc-D-Ala-OH is widely used in peptide synthesis as a building block for creating specific peptide sequences. It serves as a protecting group for the amino acid D-alanine, ensuring that the amino group remains unaffected during the synthesis process. This compound is particularly valuable in the production of custom peptides for research in biochemistry and pharmaceuticals. It is also employed in the development of peptide-based drugs, where precise control over amino acid incorporation is crucial. Additionally, Boc-D-Ala-OH is utilized in the study of enzyme mechanisms and protein interactions, providing insights into biological processes. Its stability and compatibility with various coupling reagents make it a preferred choice in solid-phase peptide synthesis.