Description

4-Chlorophenylboronic Acid, Catechol Cyclic Ester is a specialized organoboron reagent, a protected form of 4-chlorophenylboronic acid, offering enhanced stability for handling and storage. This compound is a critical building block in modern synthetic chemistry, particularly valued for its role in Suzuki-Miyaura cross-coupling reactions to create complex biaryl structures. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-purity intermediates for drug discovery and specialty chemical synthesis.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, especially those containing biphenyl or substituted phenyl motifs.
• Agrochemical Synthesis: Used in creating herbicides, fungicides, and insecticides that require specific chlorinated biphenyl structures for enhanced activity.
• Material Science: Serves as a monomer or building block for organic electronic materials, such as polymers for OLEDs and organic semiconductors.
• Ligand & Catalyst Development: Employed in the preparation of novel ligands for transition metal catalysts used in asymmetric synthesis.
• Chemical Research: A versatile reagent in academic and industrial R&D for constructing complex molecular architectures via palladium-catalyzed cross-coupling.
• Fine Chemical Production: Integral to the manufacture of dyes, pigments, and other performance chemicals where specific aryl-aryl bonds are necessary.

Basic Information

Product Name	4-Chlorophenylboronic Acid, Catechol Cyclic Ester
CAS No.	6113-62-8
Molecular Formula	C12H8BClO2
Molecular Weight	230.45 g/mol
Synonyms	4-Chlorophenylboronic Acid Catechol Ester; 2-(4-Chlorophenyl)-1,3,2-benzodioxaborole; 4-Chlorophenyl-1,3,2-benzodioxaborole; 4-Chlorobenzeneboronic Acid Catechol Cyclic Ester; (4-Chlorophenyl)boronic Acid Catechol Ester; 4-ClC6H4B(O2C6H4); 4-Chlorophenyl Catecholboronate
EINECS	Contact for details

Quality Control

Our 4-Chlorophenylboronic Acid, Catechol Cyclic Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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