This compound is primarily utilized in the field of organic synthesis, where it serves as a key intermediate in the production of various pharmaceuticals. Its structure, featuring both an indole ring and a carboxylic acid group, makes it a versatile building block for developing compounds with potential biological activity. It is often employed in the synthesis of drug candidates targeting specific enzymes or receptors, particularly in the development of anti-inflammatory and anticancer agents. Additionally, its chloro-substitution enhances its reactivity, allowing for further functionalization in complex chemical reactions. Researchers also explore its use in creating novel heterocyclic compounds, which are valuable in medicinal chemistry for their diverse therapeutic properties.