Description

5-Methylthiophene-2-Boronic Acid is a versatile organoboron building block essential for modern synthetic chemistry. Its primary value lies in enabling efficient carbon-carbon bond formation via Suzuki-Miyaura cross-coupling reactions, a cornerstone methodology in pharmaceutical and advanced materials research. This compound is particularly critical for researchers and manufacturers in the pharmaceutical, agrochemical, and organic electronics industries who require high-purity intermediates for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds containing functionalized thiophene cores.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides that incorporate heterocyclic structures.
• Material Science & Organic Electronics: Serves as a precursor for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and field-effect transistors (OFETs).
• Ligand & Catalyst Development: Employed in the preparation of novel ligands and organometallic catalysts for asymmetric synthesis and other catalytic processes.
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D labs for exploring new synthetic routes and creating compound libraries.
• Fine Chemical Production: Utilized in the custom synthesis of specialty chemicals and complex organic molecules for various high-value applications.

Basic Information

Product Name	5-Methylthiophene-2-Boronic Acid
CAS No.	162607-20-7
Molecular Formula	C5H7BO2S
Molecular Weight	141.98 g/mol
Synonyms	(5-Methyl-2-thienyl)boronic acid; 5-Methyl-2-thiopheneboronic acid; 5-Methylthiophene-2-boronic acid; 2-Borono-5-methylthiophene; 5-Methyl-2-thienylboronic acid; 5-Methylthien-2-ylboronic acid; Boronic acid, B-(5-methyl-2-thienyl)-
EINECS	Contact for details

Quality Control

Every batch of our 5-Methylthiophene-2-Boronic Acid is produced and tested under stringent quality management protocols to ensure consistency and reliability for your critical applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity (by HPLC/NMR), identity confirmation, and impurity profiles. Our quality systems are designed to meet the exacting standards required for research and commercial-scale synthesis.

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 material is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation. Keep away from heat and incompatible materials.

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.