Used as a key intermediate in the synthesis of agrochemicals and pharmaceuticals, particularly in the production of nicotinic acetylcholine receptor modulators. It serves as a building block for active ingredients in crop protection agents, including certain insecticides. Its ethynyl and chloro functional groups allow for selective cross-coupling reactions, making it valuable in medicinal chemistry for constructing complex heterocyclic systems. Also employed in research and development of kinase inhibitors and other biologically active compounds.