Used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and fine chemicals. Its structure supports derivatization for use in developing active pharmaceutical ingredients, especially in anti-inflammatory or analgesic agents. The carboxylic acid group allows for coupling reactions, while the ethoxy-substituted naphthalene core contributes to aromatic stability and lipophilicity, enhancing bioavailability in drug design. Also employed in research settings to prepare fluorescent probes or dyes due to the naphthalene moiety’s inherent photophysical properties.