Description

2-(2-Carboxyethyl)Phenylboronic Acid, Pinacol Ester is a protected boronic acid derivative, a crucial intermediate in modern synthetic organic chemistry and pharmaceutical research. Its value lies in the pinacol ester group, which stabilizes the boronic acid functionality, making it easier to handle and store while remaining highly reactive in key cross-coupling reactions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity building blocks for Suzuki-Miyaura couplings and other catalytic transformations.

Application

• Pharmaceutical Intermediate: A key building block 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.
• Liquid Crystal & OLED Material Production: Serves as a precursor for creating complex organic molecules used in electronic displays and lighting.
• Polymer Chemistry: Employed in the synthesis of specialty polymers and functional materials with tailored properties.
• Chemical Biology & Probe Development: Utilized in the creation of molecular probes and sensors for biochemical research.
• Catalyst Ligand Synthesis: Acts as a starting material for the preparation of sophisticated ligand systems in homogeneous catalysis.

Basic Information

Product Name	2-(2-Carboxyethyl)Phenylboronic Acid, Pinacol Ester
CAS No.	797756-39-9
Molecular Formula	C15H21BO4
Molecular Weight	276.14 g/mol
Synonyms	2-(2-Carboxyethyl)benzeneboronic acid pinacol ester; 2-(2-Carboxyethyl)phenylboronic acid pinacol ester; [2-(2-Carboxyethyl)phenyl]boronic acid pinacol ester; 3-[2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]propanoic acid; Pinacol 2-(2-carboxyethyl)phenylboronate; B-[2-(2-Carboxyethyl)phenyl]boronic acid pinacol ester
EINECS	Contact for details

Quality Control

Our 2-(2-Carboxyethyl)Phenylboronic Acid, Pinacol Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our quality commitment supports applications in GMP and research environments where reliable purity and traceability are paramount.

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (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.