Methyl 4-amino-2-chloro-5-iodobenzoate is primarily used in organic synthesis as a versatile intermediate for the preparation of more complex chemical compounds. It is particularly valuable in pharmaceutical research, where it serves as a building block for the development of various drugs, including potential anticancer and antimicrobial agents. The presence of multiple functional groups allows for selective modifications, making it useful in the synthesis of heterocyclic compounds. Additionally, it is employed in material science for the creation of specialized polymers and dyes. Its iodine moiety also makes it a candidate for use in radiolabeling studies, aiding in diagnostic imaging and biochemical research.