Description

6-Bromo-3-Methylthieno[3,2-B]Thiophene-2-Carboxylic Acid is a high-value, multi-functional heterocyclic building block essential for advanced organic synthesis. Its unique fused thiophene-thiophene core structure makes it a critical intermediate for developing novel materials with specialized electronic and optical properties. This compound is primarily sought after by R&D chemists and process development scientists in the pharmaceutical and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon for the development of new active pharmaceutical ingredients (APIs), particularly in therapeutic areas targeting CNS disorders and inflammation.
• Organic Semiconductor Precursor: Serves as a core building block for π-conjugated systems in organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).
• Luminescent Material Synthesis: Used in the design and synthesis of novel organic light-emitting diode (OLED) emitters and fluorescent dyes.
• Agrochemical Research: Employed as an intermediate in the discovery of new crop protection agents and herbicides.
• Polymer Chemistry: Incorporated into specialty polymers to modify electronic properties and enhance material performance.
• Academic & Industrial R&D: A valuable tool for methodological studies in cross-coupling reactions and heterocyclic chemistry.

Basic Information

Product Name	6-Bromo-3-Methylthieno[3,2-B]Thiophene-2-Carboxylic Acid
CAS No.	926011-53-2
Molecular Formula	C9H5BrO2S2
Molecular Weight	289.17 g/mol
Synonyms	6-Bromo-3-methylthieno[3,2-b]thiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid, 6-bromo-3-methylthieno[3,2-b]thien-2-yl; 6-Bromo-3-methylthieno[3,2-b]thiophene-2-carboxylate; 926011-53-2; Thieno[3,2-b]thiophene-2-carboxylic acid, 6-bromo-3-methyl-; 3-Methyl-6-bromothieno[3,2-b]thiophene-2-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 6-Bromo-3-Methylthieno[3,2-B]Thiophene-2-Carboxylic Acid adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Every lot is fully characterized using advanced analytical techniques including HPLC, GC, NMR, and MS. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and can be tailored to meet specific customer or regulatory requirements.

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). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
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.