Description

Ethyl 4-Formylthiophene-3-Carboxylate is a high-purity, versatile heterocyclic building block essential for advanced organic synthesis. This compound is valued for its dual functional groups, which enable its use as a key precursor in the development of complex molecular architectures. It is primarily sought by researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, leveraging the thiophene scaffold for enhanced bioactivity.
• Material Science & Organic Electronics: Serves as a building block for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and semiconductor materials.
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Research & Development: A versatile starting material for heterocyclic chemistry, enabling annulation reactions and the construction of complex fused-ring systems.

Basic Information

Product Name	Ethyl 4-Formylthiophene-3-Carboxylate
CAS No.	67808-74-6
Molecular Formula	C8H8O3S
Molecular Weight	184.21 g/mol
Synonyms	Ethyl 4-formyl-3-thiophenecarboxylate; 3-Thiophenecarboxylic acid, 4-formyl-, ethyl ester; 4-Formylthiophene-3-carboxylic acid ethyl ester; 3-Carbethoxy-4-formylthiophene; 4-Formyl-3-thiophenecarboxylic Acid Ethyl Ester; Ethyl 4-formyl-3-thienoate
EINECS	Contact for details

Quality Control

Our Ethyl 4-Formylthiophene-3-Carboxylate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.