Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of fluorinated drugs where the fluorine atoms enhance metabolic stability and bioavailability. Its aldehyde and phenolic functional groups allow for versatile chemical modifications, making it valuable in constructing complex organic molecules. Commonly employed in the preparation of heterocyclic compounds and as a building block in medicinal chemistry for creating antiviral, anti-inflammatory, and central nervous system agents. Also utilized in the design of fluorescent probes and sensors due to its favorable electronic properties.