Description

4-Ethyl-3,5-Dimethylphenylboronic Acid is a high-purity organoboron compound, specifically a substituted phenylboronic acid, serving as a critical building block in modern synthetic chemistry. Its primary value lies in its role as a versatile coupling partner in Suzuki-Miyaura cross-coupling reactions, enabling the efficient construction of complex biaryl structures. This advanced intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries who require reliable, high-quality precursors for drug discovery, ligand synthesis, and the development of functional organic materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates via palladium-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides requiring specific biaryl motifs.
• Material Science Research: Building block for creating organic electronic materials, liquid crystals, and metal-organic frameworks (MOFs).
• Chemical Biology & Ligand Development: Employed in the synthesis of molecular probes, sensors, and specialized ligands for catalysis.
• Academic & R&D Laboratories: Essential reagent for methodological development in organic synthesis and catalysis research.
• Fine Chemical Production: Intermediate in the multi-step synthesis of complex, high-value specialty chemicals.

Basic Information

Product Name	4-Ethyl-3,5-Dimethylphenylboronic Acid
CAS No.	1315340-57-8
Molecular Formula	C10H15BO2
Molecular Weight	178.04 g/mol
Synonyms	(4-Ethyl-3,5-dimethylphenyl)boronic acid; 3,5-Dimethyl-4-ethylbenzeneboronic acid; Boronic acid, B-(4-ethyl-3,5-dimethylphenyl)-; 4-Ethyl-3,5-dimethylbenzeneboronic acid; 1315340-57-8; (4-Ethyl-3,5-dimethylphenyl)boronic acid (contains varying amounts of anhydride)
EINECS	Contact for details

Quality Control

Our 4-Ethyl-3,5-Dimethylphenylboronic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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); the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.