Category:
Intermediates&Fine Chemicals
CAS NO:
436099-97-7
Standard:
Enterprise standard,
Methyl 5-formylthiophene-3-carboxylate (CAS 100689-47-2) is a heterocyclic building block with formula C7H6O3S. Synthesized via Vilsmeier-Haack formylation of methyl thiophene-3-carboxylate, it serves as a critical intermediate for pharmaceuticals and agrochemicals.
Store under inert atmosphere at -20°C to prevent oxidation. Use PPE due to skin irritation risks; avoid inhalation of vapors. Not approved for direct clinical use without further derivatization.