Ethyl 7-bromo-1H-indole-2-carboxylate is primarily used in organic synthesis as a key intermediate for the development of more complex indole derivatives. Its bromo and ester functional groups make it a versatile building block in pharmaceutical research, particularly for the synthesis of compounds with potential biological activity. It is often employed in the construction of indole-based molecules that are explored for their therapeutic properties, such as anti-inflammatory, anticancer, or antimicrobial agents. Additionally, this compound is utilized in the study of structure-activity relationships (SAR) to optimize the efficacy and selectivity of drug candidates. Its reactivity also allows for further functionalization, enabling the creation of diverse chemical libraries for drug discovery programs.