Used primarily as an intermediate in organic synthesis, this compound plays a key role in the preparation of pharmaceuticals and agrochemicals. Its reactive chloroethyl group enables alkylation reactions, making it valuable for constructing nitrogen-containing heterocycles. It is also employed in the development of functionalized pyrazole derivatives, which are important scaffolds in medicinal chemistry due to their biological activity, including anti-inflammatory, antimicrobial, and anticancer properties. Additionally, it serves as a building block in the synthesis of specialty polymers and ligands for catalysis.