This compound is primarily used in peptide synthesis as a protective group for amino acids. It facilitates the coupling of valine to other amino acids or peptides by activating the carboxyl group, making it more reactive. The succinimidyl ester group enhances the efficiency of the reaction, ensuring high yields and purity in the final peptide product. It is particularly valuable in solid-phase peptide synthesis, where precise control over the sequence and structure of peptides is crucial. Additionally, it is employed in the development of pharmaceuticals, especially in the creation of peptide-based drugs, due to its ability to maintain the integrity of the amino acid during complex reactions.