Widely used as a hypervalent iodine reagent in organic synthesis, this compound serves as a powerful chlorinating agent. It efficiently transfers chlorine atoms to various substrates under mild conditions, making it valuable for the synthesis of chlorinated aromatic and heterocyclic compounds. Its high selectivity and low toxicity compared to traditional chlorinating agents make it suitable for use in pharmaceutical and fine chemical industries. It is particularly effective in the preparation of active pharmaceutical ingredients where controlled chlorination is critical. Additionally, it participates in oxidative cyclization and functional group transformations, supporting complex molecule construction in research and industrial applications.