Description

4-Chloro-2-Ethoxycarbonylphenylboronic Acid Pinacol Ester is a high-purity, synthetically valuable boronic ester derivative. This compound serves as a crucial protected boronic acid building block, offering enhanced stability and solubility for advanced cross-coupling reactions. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key intermediate for constructing biaryl and heterobiaryl scaffolds prevalent in drug discovery.
• Pharmaceutical Intermediate: Used in the synthesis of potential therapeutic compounds, including kinase inhibitors and other small molecule drugs.
• Agrochemical Research: Serves as a building block for developing novel herbicides, fungicides, and insecticides.
• Material Science & OLED Development: Employed in creating organic electronic materials, such as charge-transport layers and light-emitting compounds.
• Chemical Biology & Probe Synthesis: Useful for labeling and modifying biomolecules due to its selective reactivity.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs for the production of bespoke compounds and advanced intermediates.

Basic Information

Product Name	4-Chloro-2-Ethoxycarbonylphenylboronic Acid Pinacol Ester
CAS No.	2032371-79-0
Molecular Formula	C15H20BClO4
Molecular Weight	310.58 g/mol
Synonyms	(4-Chloro-2-(ethoxycarbonyl)phenyl)boronic acid pinacol ester; 2-Carbethoxy-4-chlorophenylboronic acid pinacol ester; 4-Chloro-2-(ethoxycarbonyl)benzeneboronic acid pinacol ester; Pinacol [4-chloro-2-(ethoxycarbonyl)phenyl]boronate; Ethyl 4-chloro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate; CAS 2032371-79-0; Boronic ester intermediate C15H20BClO4
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-Ethoxycarbonylphenylboronic Acid Pinacol Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) with full specification data are provided to guarantee reliable performance in your sensitive synthetic applications.

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 product is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to maintain optimal purity and reactivity.

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%

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