Description

4-Bromo-2-Ethylphenylboronic Acid is a versatile organoboron compound that serves as a critical building block in modern synthetic chemistry. Its value lies in enabling precise carbon-carbon bond formation, which is essential for constructing complex molecular architectures. This high-purity intermediate is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for applications such as Suzuki-Miyaura cross-coupling reactions.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring complex biaryl structures.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides through palladium-catalyzed cross-coupling methodologies.
• Material Science Research: Building block for creating organic electronic materials, such as polymers for OLEDs and organic photovoltaics.
• Ligand and Catalyst Development: Serves as a starting material for synthesizing specialized ligands used in homogeneous catalysis.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and protein interactions.
• Custom Synthesis and Contract Manufacturing: A valuable reagent for CROs and CDMOs engaged in custom chemical synthesis for client projects.

Basic Information

Product Name	4-Bromo-2-Ethylphenylboronic Acid
CAS No.	1046861-62-4
Molecular Formula	C8H10BBrO2
Molecular Weight	228.88 g/mol
Synonyms	(4-Bromo-2-ethylphenyl)boronic acid; 2-Ethyl-4-bromophenylboronic acid; 4-Bromo-2-ethylbenzeneboronic acid; B-(4-Bromo-2-ethylphenyl)boronic acid; 1046861-62-4; Boronic acid, B-(4-bromo-2-ethylphenyl)-; 4-Bromo-o-ethylbenzeneboronic acid
EINECS	Contact for details

Quality Control

Our 4-Bromo-2-Ethylphenylboronic 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. Certificates of Analysis (COA) detailing batch-specific results are provided to guarantee traceability and compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. For long-term storage, consider using desiccants or storing under an inert atmosphere.

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.