Description

Ethyl 5-Formylthiophene-2-Carboxylate is a high-purity, versatile heterocyclic building block of significant importance in advanced organic synthesis. This compound is valued for its dual functional groups, which make it a critical intermediate for constructing complex molecular architectures. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and material science industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting the central nervous system and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging the thiophene scaffold for 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 semiconductors.
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands for metal catalysis and coordination chemistry.
• Chemical Research & Development: Utilized as a versatile synthon in academic and industrial R&D for exploring novel heterocyclic chemistry and creating compound libraries.
• Dye & Pigment Intermediate: Acts as a starting material for synthesizing specialized dyes and functional pigments.

Basic Information

Product Name	Ethyl 5-Formylthiophene-2-Carboxylate
CAS No.	67808-65-5
Molecular Formula	C8H8O3S
Molecular Weight	184.21 g/mol
Synonyms	5-Formyl-2-thiophenecarboxylic Acid Ethyl Ester; Ethyl 5-Formyl-2-thiophenecarboxylate; 2-Thiophenecarboxylic acid, 5-formyl-, ethyl ester; 5-Carbethoxy-2-thiophenecarboxaldehyde; 5-Ethoxycarbonyl-2-thiophenecarboxaldehyde; 5-Formylthiophene-2-carboxylic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our Ethyl 5-Formylthiophene-2-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure high purity and consistent quality suitable for sensitive synthesis applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat and incompatible materials.

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.