Used in organic synthesis as an intermediate for pharmaceuticals and bioactive compounds. Its structure supports the development of indole-based derivatives with potential antimicrobial, anti-inflammatory, or anticancer properties. Commonly employed in medicinal chemistry research to build complex heterocyclic systems. Also utilized in the preparation of fluorescent probes and dyes due to the inherent electronic properties of the indole core. Serves as a building block in the synthesis of kinase inhibitors and receptor modulators in drug discovery programs.