Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the production of antihypertensive and antiviral drugs. Serves as a building block in agrochemicals for developing herbicides and fungicides. Employed in the manufacture of dyes and pigments due to its reactive aldehyde group and aromatic structure. Applied in organic electronics as a precursor for conductive polymers and thiophene-based materials. Also utilized in fragrance and flavor compounds for its distinctive aromatic characteristics.