Description

4-(2-Carboxyethyl)Benzeneboronic Acid is a versatile bifunctional boronic acid derivative that serves as a critical building block in modern synthetic chemistry. Its unique structure, featuring both a boronic acid group and a carboxylic acid terminus, makes it an invaluable reagent for constructing complex molecular architectures via cross-coupling and conjugation reactions. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical and advanced materials sectors who require reliable, high-quality raw materials for developing active pharmaceutical ingredients (APIs) and functional polymers.

Application

• Pharmaceutical Intermediate: Key precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing novel biaryl compounds and API candidates.
• Organic Synthesis Building Block: Used in the preparation of complex organic molecules, including liquid crystals and organic electronic materials.
• Bioconjugation Reagent: Facilitates the labeling and modification of biomolecules through reactions with diols and other functional groups.
• Polymer Chemistry: Serves as a monomer or functionalization agent for creating boronic acid-containing polymers with sensor or drug delivery capabilities.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new catalytic cycles and synthetic methodologies.
• Material Science: Used in the development of advanced materials such as covalent organic frameworks (COFs) and molecularly imprinted polymers (MIPs).

Basic Information

Product Name	4-(2-Carboxyethyl)Benzeneboronic Acid
CAS No.	166316-48-9
Molecular Formula	C9H11BO4
Molecular Weight	193.99 g/mol
Synonyms	3-(4-Boronophenyl)propanoic Acid; 4-(2-Carboxyethyl)phenylboronic Acid; [4-(2-Carboxyethyl)phenyl]boronic Acid; Benzenepropanoic acid, 4-borono-; 4-Boronobenzene propanoic acid; 4-(Carboxyethyl)phenylboronic acid; 3-(4-Boronophenyl)propionic acid; 4-(2-Carboxyethyl)benzeneboronic acid pinacol ester (protected form)
EINECS	Contact for details

Quality Control

Our 4-(2-Carboxyethyl)Benzeneboronic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high chemical purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory documentation needs.

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 compound is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) in its original packaging to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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