Description

4-Methylthiophene-2-Boronic Acid is a high-value organoboron building block essential for modern synthetic chemistry. This compound serves as a critical reagent in cross-coupling reactions, enabling the efficient construction of complex molecular architectures. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and materials science sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates, particularly those containing thiophene heterocycles.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides requiring specific thiophene-based structures.
• Material Science & Organic Electronics: Serves as a building block for creating conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and semiconductors.
• Chemical Research & Development: Employed in academic and industrial labs for methodological development in catalysis and the synthesis of complex organic molecules.
• Ligand & Catalyst Preparation: Can be utilized to synthesize novel bidentate or polydentate ligands for transition metal catalysts.

Basic Information

Product Name	4-Methylthiophene-2-Boronic Acid
CAS No.	162607-15-0
Molecular Formula	C5H7BO2S
Molecular Weight	141.98 g/mol
Synonyms	(4-Methylthiophen-2-yl)boronic acid; 4-Methyl-2-thienylboronic acid; 2-Borono-4-methylthiophene; 4-Methylthiophene-2-boronic acid pinacol ester (common derivative); 4-Methyl-2-thiopheneboronic acid; 2-(4-Methylthienyl)boronic acid
EINECS	Contact for details

Quality Control

Our 4-Methylthiophene-2-Boronic Acid is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity, typically ≥95% (by HPLC). Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to cGMP principles where applicable, and our quality management system is designed to meet the stringent requirements of research and scale-up applications.

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 must be handled under an inert atmosphere (argon or nitrogen) for long-term stability and to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
Water Content (KF)	≤ 1.0%

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