Description

5-Chlorothiophene-2-Boronic Acid is a versatile and high-value organoboron building block, essential for modern synthetic chemistry. Its core value lies in enabling the efficient construction of complex molecules through pivotal cross-coupling reactions, such as the Suzuki-Miyaura reaction. This compound is critically needed by researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials industries for developing new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon for constructing novel drug candidates, particularly in the development of kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides with improved efficacy.
• Material Science: Serves as a precursor for creating functionalized polymers, organic semiconductors, and liquid crystals.
• Chemical Research & Development: An indispensable reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating compound libraries.
• Cross-Coupling Reactions: Primarily employed in palladium-catalyzed Suzuki-Miyaura couplings to form biaryl and heterobiaryl structures.
• Ligand and Catalyst Development: Used to synthesize novel ligands and organometallic complexes for catalytic applications.

Basic Information

Product Name	5-Chlorothiophene-2-Boronic Acid
CAS No.	162607-18-3
Molecular Formula	C4H4BClO2S
Molecular Weight	162.40 g/mol
Synonyms	(5-Chloro-2-thienyl)boronic acid; 5-Chloro-2-thiopheneboronic acid; 5-Chlorothiophene-2-boronic acid; 2-Borono-5-chlorothiophene; 5-Chloro-2-thienylboronic acid; 5-Chlorothiophen-2-ylboronic acid; 5-Chloro-2-thiophenylboronic acid
EINECS	Contact for details

Quality Control

Our 5-Chlorothiophene-2-Boronic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee compliance with your research and production specifications.

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.