Used as a key intermediate in the synthesis of polyamine-based compounds, particularly in pharmaceuticals and bioactive molecule development. Its protected amine groups allow selective deprotection and functionalization, making it valuable in medicinal chemistry for building complex amine architectures. Commonly employed in the preparation of enzyme inhibitors, receptor ligands, and imaging agents where controlled polyamine spacing is required. Also utilized in conjugation strategies for drug delivery systems and in the design of novel chelating agents due to its defined chain length and nitrogen positioning.