Ethyl 6-cyano-1H-indole-2-carboxylate is primarily utilized in organic synthesis as a versatile intermediate for the development of various pharmaceuticals and bioactive compounds. Its indole core structure is significant in medicinal chemistry, often serving as a building block for drugs targeting neurological disorders, cancer, and infectious diseases. Additionally, it is employed in the synthesis of agrochemicals, contributing to the creation of pesticides and herbicides. Its cyano and ester functional groups make it a valuable precursor for further chemical modifications, enabling the production of diverse derivatives with potential biological activities.