This chemical is primarily utilized in biochemical research for labeling and crosslinking applications. It is often employed to modify proteins, peptides, and other biomolecules, enabling the attachment of specific functional groups or tags. The azide group allows for click chemistry reactions, facilitating the conjugation of molecules under mild conditions. The N-hydroxysuccinimide (NHS) ester moiety reacts efficiently with primary amines, making it suitable for covalent bonding to lysine residues or amine-terminated compounds. This compound is particularly useful in proteomics, where it aids in studying protein interactions, mapping binding sites, and developing diagnostic assays. Its photoactivatable properties also make it valuable in photoaffinity labeling to investigate molecular interactions in complex biological systems.