Used as an intermediate in the synthesis of pharmaceuticals and fine chemicals, particularly in the preparation of radiolabeled compounds for medical imaging. Its iodine atoms allow for easy incorporation of radioactive isotopes, making it valuable in developing tracers for positron emission tomography (PET) and other diagnostic techniques. Also employed in organic synthesis to construct complex aromatic systems due to the directing effects of the methoxy and iodo groups. The tert-butyl group provides steric bulk, which can influence regioselectivity in coupling reactions.