Description

3,4-Dimethylthieno[2,3-B]Thiophene-2-Carbaldehyde is a high-purity, specialized heterocyclic aldehyde building block of significant interest in advanced organic synthesis. Its unique fused thiophene-thiophene core structure makes it a critical intermediate for developing novel functional materials with tailored electronic and optical properties. This compound is primarily sought after by R&D and production teams in the pharmaceutical, agrochemical, and organic electronics sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key 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 development of new-generation pesticides and herbicides, where its heterocyclic structure contributes to biological activity.
• Organic Semiconductor Material: Acts as a fundamental building block for π-conjugated systems in organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).
• Ligand and Catalyst Development: Employed in the creation of novel ligands for metal-organic frameworks (MOFs) and catalysts for cross-coupling reactions.
• Dye and Pigment Chemistry: Utilized as a starting material for synthesizing advanced dyes, pigments, and fluorescent markers.
• Academic and Industrial Research: A valuable reagent for methodological studies and exploring new chemical spaces in heterocyclic and materials chemistry.

Basic Information

Product Name	3,4-Dimethylthieno[2,3-B]Thiophene-2-Carbaldehyde
CAS No.	159709-36-1
Molecular Formula	C9H8OS2
Molecular Weight	196.29 g/mol
Synonyms	3,4-Dimethylthieno[2,3-b]thiophene-2-carboxaldehyde; 2-Formyl-3,4-dimethylthieno[2,3-b]thiophene; 3,4-Dimethylthieno[2,3-b]thiophene-2-carbaldehyde; 159709-36-1; Thieno[2,3-b]thiophene-2-carboxaldehyde, 3,4-dimethyl-; 3,4-Dimethyl-thieno[2,3-b]thiophene-2-carbaldehyde; 3,4-Dimethylthieno(2,3-b)thiophene-2-carboxaldehyde
EINECS	Contact for details

Quality Control

Our 3,4-Dimethylthieno[2,3-B]Thiophene-2-Carbaldehyde is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency suitable for demanding synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles 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 compound is light-sensitive and should be handled under an inert atmosphere when appropriate for prolonged use. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.