Description

4-(Cyclopropylsulfonyl)Phenylboronic Acid Pinacol Ester is a high-purity, synthetically valuable organoboron building block. This compound is crucial for modern cross-coupling reactions, particularly the Suzuki-Miyaura reaction, enabling the efficient construction of complex biaryl systems. It is an essential intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality reagents for drug discovery and fine chemical synthesis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those containing sulfonyl and biaryl motifs.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides requiring specific aryl-aryl couplings.
• Material Science Research: Serves as a precursor for creating organic electronic materials, such as those used in OLEDs and organic photovoltaics, due to its functionalized aromatic structure.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis and organometallic complexes.
• Chemical Biology Probes: Useful in the synthesis of molecular probes and tags for studying biological processes and target engagement.
• Custom Synthesis and Contract Manufacturing: A reliable starting material for custom synthesis projects and scale-up production in fine chemical manufacturing.

Basic Information

Product Name	4-(Cyclopropylsulfonyl)Phenylboronic Acid Pinacol Ester
CAS No.	648906-27-8
Molecular Formula	C15H21BO4S
Molecular Weight	308.20 g/mol
Synonyms	4-(Cyclopropylsulfonyl)benzeneboronic acid pinacol ester; [4-(Cyclopropylsulfonyl)phenyl]boronic acid pinacol ester; 4-Cyclopropylsulfonylphenylboronic acid pinacol ester; B-[4-(Cyclopropylsulfonyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Pinacol 4-(Cyclopropylsulfonyl)phenylboronate; 4-(Cyclopropylsulfonyl)phenyl-Bpin; (4-(Cyclopropylsulfonyl)phenyl)boronic acid pinacol ester
EINECS	Contact for details

Quality Control

Our 4-(Cyclopropylsulfonyl)Phenylboronic Acid Pinacol Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and identity confirmation. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment ensures material consistency and reliability for your critical research and production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 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 (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (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.