Description

4-Methoxy-2-Methylphenylboronic Acid is a versatile organoboron compound that serves as a critical building block in modern synthetic chemistry. Its primary value lies in its role as a key reagent in Suzuki-Miyaura cross-coupling reactions, enabling the efficient formation of carbon-carbon bonds. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable and consistent raw materials for complex synthesis.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly for compounds with complex biaryl structures.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides through palladium-catalyzed coupling reactions.
• Liquid Crystal & OLED Materials: Serves as a building block for creating advanced organic electronic materials used in displays and lighting.
• Polymer Chemistry: Employed to introduce functional aryl groups into polymer backbones, modifying material properties.
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating novel organic molecules.
• Ligand Synthesis: Used in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	4-Methoxy-2-Methylphenylboronic Acid
CAS No.	208399-66-0
Molecular Formula	C8H11BO3
Molecular Weight	165.98 g/mol
Synonyms	(4-Methoxy-2-methylphenyl)boronic acid; 2-Methyl-4-methoxyphenylboronic acid; 4-Methoxy-o-tolylboronic acid; Boronic acid, B-(4-methoxy-2-methylphenyl)-; 208399-66-0; 4-Methoxy-2-methylbenzeneboronic acid
EINECS	Contact for details

Quality Control

Our 4-Methoxy-2-Methylphenylboronic Acid is manufactured under strict quality management systems. Each 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 every shipment to support your quality assurance protocols.

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). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage or when opening a new container 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.