Used as an intermediate in the synthesis of peptides and pharmaceuticals, particularly in the development of bioactive compounds. It plays a role in protecting the amino group during peptide coupling reactions, ensuring selective chemical transformations. Applied in research for designing and producing tryptophan-containing peptides, which are essential in studying protein structures and functions. Also utilized in medicinal chemistry for creating potential drug candidates targeting neurological disorders, as tryptophan derivatives are crucial in neurotransmitter synthesis. Its chlorinated structure allows for further functionalization, making it valuable in organic synthesis and drug discovery processes.