Used as a Grignard reagent in organic synthesis to introduce the 4-chloro-3-fluorophenyl group into various molecules. It is particularly valuable in the formation of carbon-carbon bonds, enabling the creation of complex organic compounds. This reagent is often employed in the synthesis of pharmaceuticals, agrochemicals, and fine chemicals, where the specific halogenated phenyl group is required for biological activity or material properties. Its reactivity makes it a key intermediate in the development of active pharmaceutical ingredients (APIs) and specialty chemicals.