Used as an intermediate in the synthesis of pharmaceuticals and fine chemicals, particularly in the development of active pharmaceutical ingredients (APIs) where iodinated aromatic compounds serve as key building blocks. Its aldehyde and iodo functional groups allow for selective cross-coupling reactions, such as Suzuki or Heck reactions, enabling the construction of complex organic molecules. Commonly employed in research settings for the preparation of bioactive compounds, including potential drug candidates targeting neurological and inflammatory conditions. Also utilized in agrochemical synthesis for creating novel pesticide derivatives. Its methoxy group enhances solubility and influences electronic properties, beneficial for optimizing reaction yields and selectivity in multi-step syntheses.