This compound is primarily utilized in biochemical research and bioconjugation applications. It serves as a reactive ester for labeling proteins, peptides, and other biomolecules, enabling the attachment of specific functional groups or probes. Its structure allows for efficient crosslinking, making it valuable in the development of targeted drug delivery systems, diagnostic assays, and imaging techniques. The nitrobenzyl group in its structure can be cleaved under specific conditions, offering controlled release mechanisms in therapeutic applications. It is also employed in the synthesis of advanced materials and surface modifications for biomedical devices.