Description

3-Ethylthiophenylboronic Acid is a high-purity organoboron compound, specifically a boronic acid derivative, serving as a critical building block in modern synthetic chemistry. Its primary value lies in enabling the efficient formation of carbon-carbon bonds via the Suzuki-Miyaura cross-coupling reaction, a cornerstone methodology for constructing complex molecules. This reagent is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality intermediates for drug discovery, catalyst development, and specialty polymer synthesis.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those containing biaryl or heteroaryl motifs.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides that require specific aryl-aryl linkages.
• Material Science: Employed in the development of organic electronic materials, such as organic light-emitting diodes (OLEDs) and conductive polymers, where precise molecular architecture is crucial.
• Ligand and Catalyst Preparation: Serves as a precursor for creating specialized ligands used in homogeneous catalysis and metal-organic frameworks (MOFs).
• Chemical Research & Development: A versatile reagent in academic and industrial R&D labs for exploring new synthetic routes and constructing molecular libraries.

Basic Information

Product Name	3-Ethylthiophenylboronic Acid
CAS No.	870718-05-1
Molecular Formula	C8H11BO2S
Molecular Weight	182.05 g/mol
Synonyms	(3-Ethylthiophenyl)boronic Acid; 3-Ethylthiopheneboronic Acid; Boronic acid, B-(3-ethylthiophenyl)-; 3-(Ethylthio)benzeneboronic Acid; 3-ETHYLTHIOBENZENEBORONIC ACID; 3-Ethylmercaptophenylboronic Acid
EINECS	Contact for details

Quality Control

Our 3-Ethylthiophenylboronic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high chemical purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all relevant specifications. Our quality commitment ensures the material meets the stringent requirements for research and cGMP intermediate 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). Due to its hygroscopic nature, the container must be kept tightly sealed under an inert atmosphere (argon or nitrogen) to prevent moisture absorption and degradation. Keep away from 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.