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1-ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole; CAS No.: 1007110-53-3; This ethylpyrazole boronate ester from ChemShuttle demonstrates Suzuki coupling capabilities. Functioning as Leading Chemicals Distributor, we supply air-stable boron reagents for medicinal chemistry. The ethyl group enhances solubility, while pinacol boronate ensures stability during storage. Our products include detailed NMR characterization of boronic acid equivalents.