Description

4-Cyclopentylbenzeneboronic Acid is a versatile and high-purity boronic acid derivative, a critical building block in modern synthetic chemistry. Its primary value lies in enabling the efficient construction of complex molecules through reliable cross-coupling reactions. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it serves as a key intermediate in the development of new active ingredients and fine chemicals.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A fundamental reagent for creating biaryl and heterobiaryl structures, which are core scaffolds in many pharmaceuticals and advanced materials.
• Pharmaceutical Intermediate: Used in the research and synthesis of novel drug candidates, particularly in creating complex, sterically hindered molecular architectures.
• Agrochemical Synthesis: Serves as a key precursor in the development of new herbicides, fungicides, and insecticides with improved efficacy.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for catalysis and organometallic chemistry research.
• Material Science Research: Utilized in the synthesis of organic electronic materials, such as those for OLEDs and conductive polymers.
• Chemical Biology Probes: Acts as a handle for bioconjugation and the development of chemical probes for studying biological systems.

Basic Information

Product Name	4-Cyclopentylbenzeneboronic Acid
CAS No.	945837-57-0
Molecular Formula	C11H15BO2
Molecular Weight	190.05 g/mol
Synonyms	4-Cyclopentylphenylboronic Acid; (4-Cyclopentylphenyl)boronic Acid; p-Cyclopentylbenzeneboronic Acid; Boronic acid, B-(4-cyclopentylphenyl)-; 4-Cyclopentylbenzeneboronic acid pinacol ester (related ester); 4-Cyclopentylphenyl-B(OH)2; B-(4-Cyclopentylphenyl)boronic Acid
EINECS	Contact for details

Quality Control

Our 4-Cyclopentylbenzeneboronic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, NMR for structural confirmation, and KF titration for moisture content. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research and production requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥97.0%
Purity (HPLC, Area %)	≥98.0%
Water Content (KF)	≤0.5%
Heavy Metals	≤20 ppm

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