Description

4-Benzyloxy-3-Methoxybenzeneboronic Acid is a high-purity boronic acid derivative, a crucial building block in modern synthetic organic 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 compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality intermediates for complex molecule synthesis. The CAS number for this product is 243990-53-6.

Application

This versatile boronic acid is a cornerstone intermediate in various research and industrial synthesis pathways.

• Pharmaceutical Intermediate: Synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those containing complex biaryl structures.
• Agrochemical Synthesis: Production of advanced herbicides, fungicides, and insecticides requiring specific aromatic frameworks.
• Material Science Research: Building block for organic electronic materials, such as polymers for OLEDs and organic photovoltaics.
• Ligand and Catalyst Development: Precursor for creating novel ligands used in catalytic systems.
• Chemical Biology Probes: Used in the development of molecular probes and sensors due to its boronic acid functionality.
• Academic & Process R&D: Key reagent for methodological development and scale-up studies in cross-coupling chemistry.

Basic Information

Product Name	4-Benzyloxy-3-Methoxybenzeneboronic Acid
CAS No.	243990-53-6
Molecular Formula	C14H15BO4
Molecular Weight	258.08 g/mol
Synonyms	(4-(Benzyloxy)-3-methoxyphenyl)boronic acid; 3-Methoxy-4-benzyloxybenzeneboronic acid; 4-(Benzyloxy)-3-methoxybenzeneboronic acid; B-(4-Benzyloxy-3-methoxyphenyl)boronic acid; 4-Benzyloxy-3-methoxybenzeneboronic acid pinacol ester (common derivative); 4-BnO-3-MeO-C6H3B(OH)2; 4-(Phenylmethoxy)-3-methoxybenzeneboronic acid
EINECS	Contact for details

Quality Control

Our 4-Benzyloxy-3-Methoxybenzeneboronic Acid is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity for demanding synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality systems are designed to meet the stringent requirements of pharmaceutical and advanced R&D customers.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥97.0%
Water Content (KF)	≤0.5%
Heavy Metals	≤20 ppm
Residue on Ignition	≤0.1%

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