Used primarily as a key reagent in organic synthesis, especially in the preparation of anthranilic acid derivatives and heterocyclic compounds. It serves as a building block in the development of pharmaceuticals, including agents with potential anti-inflammatory, antimicrobial, and anticancer activities. Its reactivity allows for efficient benzylamination and cyclization reactions, making it valuable in medicinal chemistry research and the synthesis of bioactive molecules. Also employed in labeling and modifying peptides and proteins for biochemical studies due to its ability to react selectively with amines.