13-Azido-2,5,8,11-tetraoxatridecane is primarily utilized in the field of polymer chemistry and materials science. It serves as a versatile building block for the synthesis of functional polymers and hydrogels. The azido group enables click chemistry reactions, particularly the Cu(I)-catalyzed azide-alkyne cycloaddition (CuAAC), which is widely used to create complex polymer architectures with high precision. This compound is also employed in the development of crosslinked networks, which are essential for creating materials with tailored mechanical properties, such as elasticity and strength. Additionally, it finds applications in surface modification, where it is used to introduce specific functionalities onto surfaces for biomedical devices or sensors. Its role in drug delivery systems is notable, as it can be incorporated into carriers to enable controlled release mechanisms. Overall, it is a valuable tool for designing advanced materials with customized properties.