Description

4-Methoxythiophene-2-Boronic Acid is a high-purity boronic acid derivative, a critical building block in modern synthetic chemistry. Its value lies in enabling efficient carbon-carbon bond formation via the Suzuki-Miyaura cross-coupling reaction, a cornerstone for constructing complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality intermediates for drug discovery and specialty chemical synthesis.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing active pharmaceutical ingredients (APIs) and drug candidates, particularly in heterocyclic chemistry.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides.
• Material Science: Serves as a monomer or precursor for conjugated polymers and organic electronic materials like OLEDs and semiconductors.
• Chemical Research: A versatile reagent in academic and industrial R&D for exploring new synthetic pathways and creating complex molecular architectures.
• Ligand Synthesis: Precursor for creating specialized ligands used in catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	4-Methoxythiophene-2-Boronic Acid
CAS No.	1321901-82-9
Molecular Formula	C5H7BO3S
Molecular Weight	157.98 g/mol
Synonyms	(4-Methoxythiophen-2-yl)boronic acid; 2-Borono-4-methoxythiophene; 4-Methoxy-2-thienylboronic acid; 4-Methoxy-thiophene-2-boronic acid; 2-(4-Methoxythienyl)boronic acid; 4-Methoxythiophene-2-boronique acide (French); 4-Methoxythiophen-2-ylboronsäure (German)
EINECS	Contact for details

Quality Control

Our 4-Methoxythiophene-2-Boronic Acid is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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 tightly 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%
Water Content (KF)	≤ 1.0%

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