Used primarily in cross-coupling reactions, this compound serves as a key building block in the synthesis of pharmaceuticals and agrochemicals. Its boronate ester group enables Suzuki-Miyaura coupling, allowing efficient formation of carbon-carbon bonds with aryl or heteroaryl halides under palladium catalysis. The presence of the pyrazole ring makes it valuable for constructing biologically active molecules, especially in drug discovery where nitrogen-containing heterocycles are prevalent. The hydrochloride salt form improves stability and handling during synthetic processes. It is commonly employed in the development of kinase inhibitors, anti-inflammatory agents, and other therapeutic targets requiring functionalized pyrazole cores.