Description

Methyl 4,6-Dibromothieno[3,4-B]Thiophene-2-Carboxylate is a high-purity, multi-functional heterocyclic building block essential for advanced materials research and pharmaceutical development. Its unique fused thiophene structure, functionalized with bromine and ester groups, makes it a critical precursor for synthesizing complex organic semiconductors and bioactive molecules. This compound is primarily utilized by R&D chemists and process engineers in the organic electronics, agrochemical, and pharmaceutical industries seeking to develop novel materials with tailored electronic or biological properties.

Application

• Organic Semiconductor Synthesis: A key monomer for constructing donor-acceptor polymers and small molecules used in Organic Field-Effect Transistors (OFETs) and Organic Photovoltaics (OPVs).
• Pharmaceutical Intermediates: Serves as a versatile scaffold in medicinal chemistry for the development of new therapeutic agents, leveraging its bromine sites for further functionalization.
• Agrochemical Research: Used as a building block in the synthesis of novel pesticides and herbicides, where the thiophene core can impart specific biological activity.
• Material Science R&D: Employed in the creation of conductive polymers, non-linear optical materials, and other functional materials requiring a rigid, planar conjugated system.
• Ligand and Catalyst Development: The bromine atoms allow for metal-catalyzed cross-coupling reactions, making it useful for creating novel ligands and catalytic complexes.

Basic Information

Product Name	Methyl 4,6-Dibromothieno[3,4-B]Thiophene-2-Carboxylate
CAS No.	1240965-97-2
Molecular Formula	C8H4Br2O2S2
Molecular Weight	371.06 g/mol
Synonyms	4,6-Dibromothieno[3,4-b]thiophene-2-carboxylic acid methyl ester; Methyl 4,6-dibromothieno[3,4-b]thiophene-2-carboxylate; Thieno[3,4-b]thiophene-2-carboxylic acid, 4,6-dibromo-, methyl ester; 4,6-Dibromo-thieno[3,4-b]thiophene-2-carboxylic acid methyl ester; MBTT-2COOMe (common abbreviation); DBTT-ester
EINECS	Contact for details

Quality Control

Every batch of Methyl 4,6-Dibromothieno[3,4-B]Thiophene-2-Carboxylate is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for sensitive R&D and scale-up processes. A detailed Certificate of Analysis (COA), including purity assay and impurity profile, is supplied with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

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%
Heavy Metals (as Pb)	≤ 20 ppm

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