Description

4-(Methoxycarbonyl)-2-Methylphenylboronic Acid Pinacol Ester is a high-purity, protected boronic acid ester derivative, a critical intermediate in modern synthetic chemistry. Its value lies in its enhanced stability compared to the free boronic acid, making it ideal for demanding cross-coupling reactions like the Suzuki-Miyaura reaction. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality building blocks for constructing complex organic molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates via palladium-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides that require specific biphenyl or heterobiaryl structures.
• Material Science Research: Employed in the development of organic electronic materials, such as polymers for OLEDs and organic photovoltaics.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands and organometallic catalysts.
• Chemical Biology Probes: Utilized in the synthesis of molecular probes and tags for studying biological processes.
• Custom Synthesis and Contract Manufacturing: A vital reagent for fine chemical and custom synthesis houses serving diverse R&D and scale-up needs.

Basic Information

Product Name	4-(Methoxycarbonyl)-2-Methylphenylboronic Acid Pinacol Ester
CAS No.	473596-87-1
Molecular Formula	C15H21BO4
Molecular Weight	276.14 g/mol
Synonyms	2-Methyl-4-(methoxycarbonyl)phenylboronic acid pinacol ester; Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-methylbenzoate; 4-Carbomethoxy-2-methylphenylboronic acid pinacol ester; 2-Methyl-4-methoxycarbonylphenylboronic acid pinacol ester; Methyl 2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate; Benzoic acid, 2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, methyl ester
EINECS	Contact for details

Quality Control

Our production of 4-(Methoxycarbonyl)-2-Methylphenylboronic Acid Pinacol Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC, to ensure high purity and consistent performance in sensitive applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to support your quality assurance and regulatory compliance needs.

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 material is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥97.0%
Purity (GC)	≥98.0%
Water Content (KF)	≤0.5%

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