Description

(3-Chloro-4-Methoxycarbonyl)Benzeneboronic Acid Pinacol Ester is a high-purity boronic ester derivative, a crucial building block in modern synthetic organic chemistry. Its value lies in its stability and reactivity, serving as a protected boronic acid intermediate for Suzuki-Miyaura cross-coupling reactions. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries developing novel active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug molecules, particularly those containing biaryl structures via palladium-catalyzed cross-coupling.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides requiring specific chlorinated aromatic motifs.
• Material Science Research: Building block for creating novel organic electronic materials, polymers, and liquid crystals.
• Chemical Biology & Proteomics: Potential use in developing molecular probes and enzyme inhibitors due to its boronate functionality.
• Academic & R&D Laboratories: A versatile reagent for methodological development in organic synthesis and catalysis studies.
• Custom Synthesis & Contract Manufacturing: Supplied for bespoke production runs where specific functionalized boronic esters are required.

Basic Information

Product Name	(3-Chloro-4-Methoxycarbonyl)Benzeneboronic Acid Pinacol Ester
CAS No.	334018-52-9
Molecular Formula	C14H18BClO4
Molecular Weight	296.55 g/mol
Synonyms	(3-Chloro-4-(methoxycarbonyl)phenyl)boronic acid pinacol ester; 2-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid methyl ester; Methyl 2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate; 2-Chloro-4-methoxycarbonylbenzeneboronic acid pinacol ester; Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-chlorobenzoate; CAS 334018-52-9; Boronic acid, B-[3-chloro-4-(methoxycarbonyl)phenyl]-, pinacol ester
EINECS	Contact for details

Quality Control

Our (3-Chloro-4-Methoxycarbonyl)Benzeneboronic Acid Pinacol Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by NMR and IR spectroscopy, to ensure it meets the high standards required for research and commercial synthesis. Certificates of Analysis (COA) with detailed specifications are provided for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). The compound is light-sensitive; prolonged exposure to light should be avoided. Keep the container sealed to protect from moisture.

Specification

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

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