Description

3-(Methoxycarbonyl)-5-Methylphenylboronic Acid is a versatile boronic acid derivative that serves as a critical building block in modern synthetic organic chemistry. Its primary value lies in enabling the precise construction of complex molecular architectures through reliable cross-coupling reactions. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where it is used to develop new active ingredients and functional compounds.

Application

• Pharmaceutical Intermediate: A key precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates, including kinase inhibitors and other small molecule therapeutics.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, contributing to the creation of compounds with enhanced efficacy and environmental profiles.
• Material Science Research: Employed in the synthesis of organic electronic materials, such as those used in OLEDs (Organic Light-Emitting Diodes) and organic photovoltaics.
• Chemical Biology Probes: Serves as a building block for creating molecular probes and sensors used in biochemical research and diagnostic applications.
• Ligand and Catalyst Development: Utilized in the preparation of specialized ligands and organometallic catalysts for asymmetric synthesis and other advanced catalytic processes.
• Custom Synthesis and Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of bespoke compounds and APIs (Active Pharmaceutical Ingredients) on a commercial scale.

Basic Information

Product Name	3-(Methoxycarbonyl)-5-Methylphenylboronic Acid
CAS No.	929626-18-6
Molecular Formula	C9H11BO4
Molecular Weight	193.99 g/mol
Synonyms	(3-(Methoxycarbonyl)-5-methylphenyl)boronic acid; 5-Methyl-3-methoxycarbonylphenylboronic acid; Methyl 3-borono-5-methylbenzoate; 3-Carbomethoxy-5-methylbenzeneboronic acid; Benzeneboronic acid, 3-(methoxycarbonyl)-5-methyl-; 929626-18-6; Methyl 5-methyl-3-boronobenzoate
EINECS	Contact for details

Quality Control

Every batch of 3-(Methoxycarbonyl)-5-Methylphenylboronic Acid is manufactured under a strict quality management system and undergoes comprehensive analytical testing to ensure it meets the high standards required for research and commercial synthesis. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting purity, identity, and impurity profiles. Our quality commitment supports compliance with cGMP and ISO guidelines where applicable, ensuring reliability for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when possible to prevent oxidation and hydrolysis. 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%
Purity (NMR)	Conforms
Water Content (KF)	≤0.5%
Residue on Ignition	≤0.1%

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