Z-Asp-OtBu DCHA is widely used in peptide synthesis as a protecting group for aspartic acid. It helps to prevent unwanted side reactions during the formation of peptide bonds, ensuring the accuracy and efficiency of the synthesis process. The compound is particularly valuable in the production of complex peptides and proteins, where selective protection and deprotection of amino acids are critical. Additionally, it is employed in the development of pharmaceuticals, especially in the synthesis of peptide-based drugs, where precise control over molecular structure is essential for achieving desired therapeutic effects. Its stability and ease of removal under specific conditions make it a preferred choice in organic and medicinal chemistry research.