4,5-Dichloro-1H-pyrrole-2-carboxylic acid is primarily used in organic synthesis as a building block for more complex chemical structures. It serves as a key intermediate in the development of pharmaceuticals, particularly in the synthesis of compounds with potential biological activity. Its pyrrole core is often incorporated into molecules designed for drug discovery, especially in the creation of antimicrobial, antiviral, or anticancer agents. Additionally, it can be utilized in the production of agrochemicals, where its derivatives may exhibit pesticidal or herbicidal properties. The compound's reactivity and functional groups make it a versatile component in research and industrial applications.