Description

Ethyl 5-Cyano-3,4-Dimethylthieno[2,3-B]Thiophene-2-Carboxylate is a high-value, multi-functional heterocyclic building block with a complex fused ring structure. This compound is essential for advanced organic synthesis, serving as a critical precursor in the development of novel materials and active pharmaceutical ingredients (APIs). It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemicals sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used as a building block for creating novel pesticides and herbicides with specific activity profiles.
• Organic Electronic Materials: Serves as a precursor in the synthesis of conjugated polymers and small molecules for applications in organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs).
• Dye and Pigment Chemistry: Employed in the development of advanced colorants and functional dyes due to its thienothiophene core.
• Ligand and Catalyst Development: Useful for constructing complex chelating ligands in coordination chemistry and catalysis research.
• Academic and R&D: A valuable compound for methodological studies in heterocyclic and fused-ring system chemistry.

Basic Information

Product Name	Ethyl 5-Cyano-3,4-Dimethylthieno[2,3-B]Thiophene-2-Carboxylate
CAS No.	175202-57-0
Molecular Formula	C13H11NO2S2
Molecular Weight	277.36 g/mol
Synonyms	Ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate; 2-Thiophenecarboxylic acid, 5-cyano-3,4-dimethylthieno[2,3-b]thien-2-yl ethyl ester; 5-Cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylic acid ethyl ester; 175202-57-0; AKOS005258213; SCHEMBL15442496; CTK8G0065; ZINC000004055756
EINECS	Contact for details

Quality Control

Our Ethyl 5-Cyano-3,4-Dimethylthieno[2,3-B]Thiophene-2-Carboxylate is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our commitment to cGMP and ISO guidelines ensures reliable supply for your most demanding R&D and scale-up projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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