This chemical is primarily utilized in the field of peptide synthesis and organic chemistry as a protecting group for amines. Its fluorenylmethyloxycarbonyl (Fmoc) group is particularly effective in safeguarding amino groups during the synthesis of peptides, ensuring that specific reactions occur at desired sites without interference. The hydrophilic chain in its structure enhances solubility in aqueous solutions, making it suitable for use in various biochemical and bioconjugation applications. Additionally, it is employed in the development of drug delivery systems and as a linker in solid-phase synthesis, facilitating the creation of complex molecules with precision. Its hydrochloride form ensures stability and ease of handling in laboratory settings.