Used as a key intermediate in the synthesis of complex organic molecules, particularly in pharmaceuticals and agrochemicals. Its reactive triflate group enables palladium-catalyzed cross-coupling reactions, making it valuable in constructing carbon-carbon bonds. The aldehyde functionality allows further derivatization, such as condensation or reduction, while the chloro substituent can serve as a leaving group or direct metalation in selective transformations. Commonly employed in the development of active ingredients in crop protection agents and in the preparation of functionalized aromatic compounds for materials science.