Used primarily as an intermediate in the synthesis of pharmaceuticals and agrochemicals, particularly neonicotinoid insecticides such as thiamethoxam. It plays a key role in the production of systemic insecticides targeting a broad spectrum of pests, including aphids, whiteflies, and other sucking insects, due to its reactivity and ability to form stable bonds with other functional groups. Its chloromethyl group allows for easy substitution, making it valuable in building complex heterocyclic systems. Commonly employed in the development of crop protection agents for insect control. Also utilized in medicinal chemistry for constructing thiazole-based drug candidates with antimicrobial or anti-inflammatory properties.