Description

3-Bromo-2-Methoxythiophene is a high-purity, versatile heterocyclic building block essential for advanced organic synthesis. This compound is valued for its reactive bromine substituent and methoxy group, which facilitate selective cross-coupling reactions and functional group transformations. It is a critical intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of complex drug candidates, particularly those with thiophene-based scaffolds.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides.
• Organic Electronic Materials: A precursor for conjugated polymers and small molecules used in OLEDs, organic photovoltaics (OPVs), and field-effect transistors (OFETs).
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis.
• Chemical Research (R&D): A valuable reagent for method development in cross-coupling (e.g., Suzuki, Stille) and other metal-catalyzed reactions.
• Fine Chemical Production: Used in the multi-step synthesis of dyes, pigments, and other performance chemicals.

Basic Information

Product Name	3-Bromo-2-Methoxythiophene
CAS No.	57681-56-8
Molecular Formula	C5H5BrOS
Molecular Weight	193.06 g/mol
Synonyms	2-Methoxy-3-bromothiophene; 3-Bromo-2-methoxythiophene; Thiophene, 3-bromo-2-methoxy-; 3-Brom-2-methoxythiophen; 2-Methoxy-3-bromothiophène
EINECS	Contact for details

Quality Control

Every batch of 3-Bromo-2-Methoxythiophene is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets the high-purity standards required for sensitive synthetic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong bases and incompatible materials. For long-term storage, consider under an inert atmosphere.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%

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