Description

3-(Cyclopentyloxy)-2,4-Difluorophenylboronic Acid is a high-purity boronic acid derivative, a critical building block in modern synthetic chemistry. Its value lies in its role as a key coupling partner in Suzuki-Miyaura cross-coupling reactions, enabling the efficient synthesis of complex biaryl structures. This advanced intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly in the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds containing a difluorophenyl moiety.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides requiring specific aryl-aryl linkages.
• Material Science Research: Serves as a monomer or building block for creating novel organic electronic materials, such as those used in OLEDs or semiconductors.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis and organoboron catalysts.
• Chemical Biology Probes: Utilized in the synthesis of molecular probes and tags for studying biological processes and target engagement.
• Custom Synthesis and Contract Manufacturing: A vital starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving the life sciences sector.

Basic Information

Product Name	3-(Cyclopentyloxy)-2,4-Difluorophenylboronic Acid
CAS No.	1629971-64-7
Molecular Formula	C11H13BF2O3
Molecular Weight	242.03 g/mol
Synonyms	(3-(Cyclopentyloxy)-2,4-difluorophenyl)boronic Acid; 2,4-Difluoro-3-cyclopentyloxybenzeneboronic Acid; 3-Cyclopentyloxy-2,4-difluorobenzeneboronic Acid; B-[3-(Cyclopentyloxy)-2,4-difluorophenyl]boronic Acid; 1629971-64-7; 3-Cyclopentyloxy-2,4-difluorophenylboronic acid
EINECS	Contact for details

Quality Control

Our 3-(Cyclopentyloxy)-2,4-Difluorophenylboronic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistent performance in sensitive coupling reactions. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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 compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage or after opening to maintain stability and purity.

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)	≤1.0%

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