Used primarily as a protected diamine building block in organic synthesis, especially in peptide and pharmaceutical manufacturing. Its main application lies in stepwise construction of complex amine-containing molecules where selective protection is critical. The Boc (tert-butoxycarbonyl) groups allow for controlled deprotection under mild acidic conditions, enabling the sequential addition of amino acids or other functional groups without side reactions. Commonly employed in solid-phase and solution-phase synthesis of bioactive compounds, including drug intermediates and heterocycles. Its symmetrical spacer structure with two protected amine ends makes it valuable for designing linkers, dendrimers, and bifunctional molecules in medicinal chemistry.