Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the production of antihypertensive drugs and other biologically active compounds. Its functional groups, including chloro and chloromethyl on the thiophene ring, allow for selective modifications, making it valuable in building complex molecules in medicinal chemistry. Also employed in agrochemical synthesis for developing pesticides and herbicides due to its reactivity and stability in various reaction conditions. Commonly utilized in research laboratories for constructing thiophene-based scaffolds in organic electronics and conductive polymers.