Description

4-Cyanophenylboronic Acid is a versatile and high-value boronic acid derivative, essential as a key building block in modern synthetic chemistry. Its primary value lies in enabling the precise construction of complex molecules through reliable cross-coupling reactions. This compound is critically needed by research and development teams in the pharmaceutical, agrochemical, and advanced materials sectors for creating novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A crucial precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing biaryl compounds, which are core structures in many active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides that require specific aromatic nitrile and boronic acid functionalities.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands and organometallic catalysts used in asymmetric synthesis and other catalytic processes.
• Material Science Research: Employed in the synthesis of organic electronic materials, such as those for OLEDs and conductive polymers, where the cyano and boronic acid groups modify electronic properties.
• Chemical Biology & Proteomics: Utilized in the development of molecular probes and activity-based protein profiling (ABPP) agents due to its ability to form stable bonds with biomolecules.
• Custom Synthesis & Contract Manufacturing: A fundamental reagent for custom synthesis houses and CROs/CMOs building bespoke organic compounds for client projects.

Basic Information

Product Name	4-Cyanophenylboronic Acid
CAS No.	126747-14-6
Molecular Formula	C7H6BNO2
Molecular Weight	146.94 g/mol
Synonyms	(4-Cyanophenyl)boronic acid; p-Cyanophenylboronic acid; 4-Boronobenzonitrile; Benzonitrile, 4-borono-; 4-Cyanobenzeneboronic acid; p-Cyanobenzeneboronic Acid; B-(4-Cyanophenyl)boronic acid
EINECS	Contact for details

Quality Control

Our 4-Cyanophenylboronic Acid is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity, typically ≥97% (HPLC). Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards and can support development projects requiring specific analytical documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere or in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%

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