Description

Methyl 4,6-Dihydrothieno[3,4-B]Thiophene-2-Carboxylate is a high-value, heterocyclic organic compound serving as a critical synthetic intermediate in advanced chemical research and development. Its fused thiophene-thiophene core structure makes it a versatile building block for constructing complex molecular architectures with tailored electronic and material properties. This compound is primarily sought after by researchers and process chemists in the pharmaceutical, agrochemical, and organic electronics industries for applications ranging from drug discovery to the development of novel functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting central nervous system (CNS) disorders and other therapeutic areas.
• Organic Semiconductor Research: Serves as a foundational monomer or building block for developing π-conjugated polymers and small molecules used in organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its unique heterocyclic structure.
• Material Science: Employed in the creation of advanced functional materials, including electrochromic devices, sensors, and non-linear optical (NLO) materials.
• Ligand and Catalyst Development: Acts as a scaffold for synthesizing novel ligands for transition metal catalysis or as a core structure in organocatalysts.
• Chemical Research & Development: A versatile starting material for methodological studies in organic synthesis, including cyclization reactions and heterocycle functionalization.

Basic Information

Product Name	Methyl 4,6-Dihydrothieno[3,4-B]Thiophene-2-Carboxylate
CAS No.	7767-60-4
Molecular Formula	C8H8O2S2
Molecular Weight	200.28 g/mol
Synonyms	Methyl 4,6-dihydrothieno[3,4-b]thiophene-2-carboxylate; 4,6-Dihydrothieno[3,4-b]thiophene-2-carboxylic acid methyl ester; Thieno[3,4-b]thiophene-2-carboxylic acid, 4,6-dihydro-, methyl ester; Methyl 4,6-dihydrothieno(3,4-b)thiophene-2-carboxylate; 2-Carbomethoxy-4,6-dihydrothieno[3,4-b]thiophene
EINECS	Contact for details

Quality Control

Our Methyl 4,6-Dihydrothieno[3,4-B]Thiophene-2-Carboxylate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity, essential for sensitive R&D and scale-up processes. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing key parameters such as purity (HPLC), identity (IR, NMR), and impurity profiles. Our quality management system is designed to meet the rigorous standards required for research and pre-clinical development.

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 bases and incompatible organic solvents. For long-term storage, consider storing under an inert atmosphere to maximize stability.

Specification

Item	Specification
Appearance	White to off-white 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.