Description

4-Bromo-3,5-Dichlorophenyl Boronic Acid is a high-purity, multi-halogenated aryl boronic acid derivative, serving as a critical building block in modern synthetic chemistry. Its value lies in enabling precise carbon-carbon bond formation via Suzuki-Miyaura cross-coupling reactions, a cornerstone technology for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality intermediates for drug discovery, active ingredient synthesis, and specialty polymer development.

Application

• Pharmaceutical Intermediate: A key synthon for constructing active pharmaceutical ingredients (APIs), particularly in the development of novel small-molecule drugs.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides requiring specific halogenated biphenyl structures.
• Material Science: Serves as a monomer or cross-linking agent in the synthesis of specialty polymers, liquid crystals, and organic electronic materials.
• Chemical Research & Development: An indispensable reagent in academic and industrial R&D labs for methodology development and library synthesis in medicinal chemistry.
• Ligand & Catalyst Preparation: Utilized as a precursor for synthesizing sophisticated ligands and organometallic catalysts.

Basic Information

Product Name	4-Bromo-3,5-Dichlorophenyl Boronic Acid
CAS No.	2121511-62-2
Molecular Formula	C6H4BBrCl2O2
Molecular Weight	269.72 g/mol
Synonyms	(4-Bromo-3,5-dichlorophenyl)boronic acid; B-(4-Bromo-3,5-dichlorophenyl)boronic acid; 4-Bromo-3,5-dichlorobenzeneboronic acid; 2121511-62-2; Boronic acid, B-(4-bromo-3,5-dichlorophenyl)-; AKOS026713065; (4-Bromo-3,5-dichloro-phenyl)boronic acid
EINECS	Contact for details

Quality Control

Our 4-Bromo-3,5-Dichlorophenyl Boronic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for sensitive cross-coupling applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to maintain optimal purity and reactivity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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