Description

3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid is a high-value, synthetically versatile boronic ester derivative of benzoic acid. This compound serves as a critical building block in modern organic synthesis, particularly for constructing complex molecular architectures via cross-coupling reactions. It is essential for researchers and manufacturers in the pharmaceutical and advanced materials sectors who require precise and reliable intermediates for drug discovery and functional polymer development.

Application

• Pharmaceutical Intermediate: A key precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides with targeted activity.
• Material Science: Serves as a monomer or functionalizing agent in the production of organic electronic materials, such as OLEDs and conductive polymers.
• Liquid Crystal & Dye Manufacturing: Employed to create complex aromatic cores for high-performance liquid crystals and specialized organic dyes.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D labs exploring new synthetic methodologies and boron chemistry.
• Peptide & Protein Modification: Utilized for site-specific bioconjugation and labeling of biomolecules in diagnostic and therapeutic applications.

Basic Information

Item	Details
Product Name	3-Methyl-4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-yl)benzoic Acid
CAS No.	269409-74-7
Molecular Formula	C14H19BO4
Molecular Weight	262.11 g/mol
Synonyms	3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid; 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-3-methylbenzoic acid; 3-Methyl-4-borono-benzoic acid pinacol ester; 3-Methyl-4-carboxyphenylboronic acid pinacol ester; 4-Carboxy-2-methylphenylboronic acid pinacol ester; B-[4-(Carboxy)-2-methylphenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 269409-74-7
EINECS	Contact for details

Quality Control

Our 3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and batch-to-batch 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 a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture and prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.