Methyl 5-Iodosalicylate is primarily used in organic synthesis as a versatile intermediate for the preparation of more complex chemical compounds. It is particularly valuable in the pharmaceutical industry, where it serves as a building block for the development of various drugs, including anti-inflammatory and antimicrobial agents. The iodine atom in its structure allows for further functionalization through cross-coupling reactions, making it a key reagent in the synthesis of biologically active molecules. Additionally, it is employed in research laboratories for the study of chemical reactions involving halogenated aromatic compounds, aiding in the development of new synthetic methodologies. Its applications extend to material science, where it is used in the creation of specialized polymers and coatings with unique properties.