Used as a crosslinking agent in polymer chemistry, particularly in the synthesis of functional resins and dendrimers. Its dual tosylate groups enable efficient nucleophilic substitution reactions, making it valuable for introducing cyclopentane-based spacers into macromolecules. It is also employed in the preparation of specialty monomers for advanced materials, including stimuli-responsive hydrogels and ion-exchange membranes. Due to its rigid cyclopentane core, it imparts structural stability and controlled spacing in supramolecular architectures.