Z-Trp-OH is widely used in peptide synthesis as a protecting group for the amino acid tryptophan. It helps in preventing unwanted side reactions during the formation of peptide bonds, ensuring the integrity of the peptide chain. This compound is particularly valuable in solid-phase peptide synthesis (SPPS), where selective protection and deprotection of amino acids are crucial. Additionally, Z-Trp-OH is employed in the development of bioactive peptides and pharmaceuticals, where precise control over peptide structure is essential for achieving desired biological activity. Its stability and compatibility with various coupling reagents make it a reliable choice for researchers in the field of peptide chemistry.