Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) with anti-inflammatory and analgesic properties. It serves as a building block in heterocyclic chemistry, enabling the construction of complex pyrazole derivatives. Its aldehyde functional group allows for easy modification through condensation, reduction, or nucleophilic addition reactions, making it valuable in medicinal chemistry for structure-activity relationship (SAR) studies. Also employed in agrochemical research for designing novel pesticides and herbicides due to the bioactivity associated with pyrazole scaffolds.