Description

Ethyl 5-Cyano-2-Thiophenecarboxylate is a high-purity organic building block and heterocyclic intermediate of significant commercial importance. This compound is valued for its versatile reactivity, serving as a key precursor in the synthesis of complex molecules. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for developing active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides that incorporate the thiophene moiety for enhanced activity.
• Organic Electronic Materials: Serves as a precursor for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), field-effect transistors (OFETs), and solar cells.
• Chemical Research & Development: Employed as a versatile synthon in academic and industrial R&D for constructing complex heterocyclic frameworks and functional materials.
• Dye and Pigment Industry: Acts as an intermediate in the synthesis of specialized dyes and pigments where the thiophene ring contributes to color and stability properties.

Basic Information

Product Name	Ethyl 5-Cyano-2-Thiophenecarboxylate
CAS No.	67808-35-9
Molecular Formula	C8H7NO2S
Molecular Weight	181.21 g/mol
Synonyms	Ethyl 5-cyano-2-thiophenecarboxylate; 5-Cyano-2-thiophenecarboxylic acid ethyl ester; 2-Thiophenecarboxylic acid, 5-cyano-, ethyl ester; Ethyl 5-cyanothiophene-2-carboxylate; 5-Cyanothiophene-2-carboxylic acid ethyl ester; 67808-35-9; Ethyl 5-cyanothiophene-2-carboxylate
EINECS	Contact for details

Quality Control

Our Ethyl 5-Cyano-2-Thiophenecarboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents 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.