Description

Benzoic Acid, 4-Chloro-3-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-, Ethyl Ester is a high-value, synthetically versatile boronic ester derivative. This compound serves as a critical advanced pharmaceutical intermediate and a key building block in modern organic synthesis, particularly in cross-coupling reactions. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity, functionalized intermediates for complex molecule construction.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) via Suzuki-Miyaura cross-coupling reactions.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides requiring specific halogenated aromatic structures.
• Liquid Crystal & OLED Material Production: Serves as a building block for creating complex organic molecules used in electronic displays and lighting.
• Polymer & Resin Modification: Incorporated into specialty polymers to impart specific chemical or physical properties.
• Organic Synthesis & Chemical Research: A versatile reagent for academic and industrial R&D laboratories exploring new carbon-carbon bond formation methodologies.
• Diagnostic Reagent Development: Potential use in the synthesis of probes and sensors for biochemical assays.

Basic Information

Product Name	Benzoic Acid, 4-Chloro-3-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-, Ethyl Ester
CAS No.	1523239-42-0
Molecular Formula	C15H20BClO4
Molecular Weight	310.58 g/mol
Synonyms	Ethyl 4-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate; 4-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic Acid Ethyl Ester; 2-(4-Chloro-3-(ethoxycarbonyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 3-Borono-4-chlorobenzoic Acid Ethyl Ester, Pinacol Ester; (4-Chloro-3-(ethoxycarbonyl)phenyl)boronic Acid Pinacol Ester; Benzoic acid, 4-chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, ethyl ester; CAS 1523239-42-0
EINECS	Contact for details

Quality Control

Our production of Benzoic Acid, 4-Chloro-3-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-, Ethyl Ester adheres to stringent quality protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy. We provide detailed Certificates of Analysis (COA) to ensure traceability and compliance with your research or cGMP intermediate specifications.

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) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when opened for prolonged periods to prevent oxidation and hydrolysis.

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%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 3.0%

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