CAS Registry Number

CAS 16732-57-3 — Ethyl 5-nitroindole-2-carboxylate

Ethyl 5-nitroindole-2-carboxylate is an organic compound featuring a nitro-substituted indole core with an ester functional group, widely used as a key intermediate in pharmaceutical synthesis, particularly for the preparation of serotonin receptor ligands and related bioactive molecules. This solid chemical is soluble in organic solvents and serves as a versatile building block in heterocyclic chemistry. The product has a CAS number of 16732-57-3 and carries no signal word under standard hazard classifications, indicating low acute toxicity. It is typically supplied as a crystalline powder with high purity for research and industrial applications. Molekula supplies Ethyl 5-nitroindole-2-carboxylate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.