Description

3,5-Difluoro-4-Methylphenylboronic Acid Pinacol Ester is a high-purity, organoboron building block essential for modern synthetic chemistry. Its value lies in its stability and reactivity as a key intermediate in cross-coupling reactions, enabling the efficient construction of complex molecular architectures. This compound is primarily needed by researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for developing new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A critical reagent in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates, especially fluorinated bioactive molecules.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the difluoro-methylphenyl moiety can enhance biological activity and stability.
• Liquid Crystal & OLED Material Development: Serves as a building block for creating fluorinated organic semiconductors and liquid crystal compounds used in electronic displays.
• Polymer Chemistry: Employed in the synthesis of specialty polymers and functional materials with tailored properties.
• Chemical Research & Development: A versatile tool in academic and industrial R&D labs for exploring new synthetic pathways and creating compound libraries.
• Fluorinated Aromatic Compound Production: Key for introducing the valuable 3,5-difluoro-4-methylphenyl group into more complex aromatic systems.

Basic Information

Product Name	3,5-Difluoro-4-Methylphenylboronic Acid Pinacol Ester
CAS No.	2094504-03-5
Molecular Formula	C₁₃H₁₇BF₂O₂
Molecular Weight	254.08 g/mol
Synonyms	3,5-Difluoro-4-methylbenzeneboronic acid pinacol ester; 4-Methyl-3,5-difluorophenylboronic acid pinacol ester; (3,5-Difluoro-4-methylphenyl)boronic acid pinacol ester; 2-(3,5-Difluoro-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Pinacol 3,5-difluoro-4-methylphenylboronate; Boronic acid, B-(3,5-difluoro-4-methylphenyl)-, 1,1-dimethylethyl ester (9CI); 2094504-03-5.
EINECS	Contact for details

Quality Control

Our 3,5-Difluoro-4-Methylphenylboronic Acid Pinacol Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for demanding synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing purity, identity, and impurity profiles. Our quality system is designed to meet the rigorous standards required for pharmaceutical and advanced material research.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound 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
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details

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