Description

3-Methoxythiophene-2-Boronic Acid is a high-purity boronic acid derivative, a crucial building block in modern synthetic organic chemistry. Its primary value lies in enabling efficient carbon-carbon bond formation via the Suzuki-Miyaura cross-coupling reaction, a cornerstone methodology for constructing complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where it is used to synthesize novel active ingredients and functional heterocycles.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of novel drug candidates, particularly those containing functionalized thiophene scaffolds.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with tailored properties.
• Material Science: Serves as a precursor for creating conjugated polymers and organic electronic materials for applications in OLEDs and sensors.
• Chemical Research: An indispensable reagent in academic and industrial R&D for exploring new catalytic cross-coupling methodologies.
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands and organometallic catalysts.
• Fine Chemical Production: Facilitates the scalable synthesis of complex, high-value specialty chemicals.

Basic Information

Product Name	3-Methoxythiophene-2-Boronic Acid
CAS No.	162607-22-9
Molecular Formula	C5H7BO3S
Molecular Weight	157.98 g/mol
Synonyms	(3-Methoxythiophen-2-yl)boronic acid; 2-Borono-3-methoxythiophene; 3-Methoxy-2-thienylboronic acid; 3-Methoxythiophene-2-boronic acid pinacol ester (common derivative); 2-(3-Methoxythienyl)boronic acid; B-(3-Methoxythiophen-2-yl)boronic acid; 3-Methoxy-thiophene-2-boronic acid
EINECS	Contact for details

Quality Control

Our 3-Methoxythiophene-2-Boronic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for sensitive cross-coupling reactions. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment.

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). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and to maintain optimal reactivity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥97.0%
Water Content (KF)	≤0.5%

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