Description

4-(Cyclopropylmethylsulfonyl)Phenylboronic Acid is a specialized organoboron compound featuring a phenylboronic acid core functionalized with a cyclopropylmethylsulfonyl group. This unique structure makes it a valuable high-purity building block for advanced synthesis, particularly in the development of complex small molecules. It is primarily utilized by researchers and process chemists in the pharmaceutical and agrochemical industries for constructing novel active ingredients through cross-coupling reactions.

Application

• Pharmaceutical Intermediate: A key precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with complex molecular architectures.
• Material Science: Serves as a monomer or functionalization agent in the creation of advanced polymers and organic electronic materials.
• Chemical Synthesis: Employed as a versatile boronic acid reagent for constructing biaryl and heterobiaryl systems in medicinal and process chemistry.
• Ligand & Catalyst Development: Utilized in the synthesis of novel ligands for catalysis and molecular recognition applications.

Basic Information

Product Name	4-(Cyclopropylmethylsulfonyl)Phenylboronic Acid
CAS No.	1175560-85-6
Molecular Formula	C10H13BO4S
Molecular Weight	240.09 g/mol
Synonyms	4-(Cyclopropylmethylsulfonyl)benzeneboronic Acid; [4-(Cyclopropylmethylsulfonyl)phenyl]boronic Acid; B-[4-(Cyclopropylmethylsulfonyl)phenyl]boronic Acid; 4-(Cyclopropylmethylsulfonyl)phenylboronic acid pinacol ester (common precursor); CPMS-PBA (abbreviation)
EINECS	Contact for details

Quality Control

Our 4-(Cyclopropylmethylsulfonyl)Phenylboronic Acid is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for research and development applications. We provide comprehensive analytical data including HPLC purity, NMR confirmation, and heavy metal screening. Certificates of Analysis (COA) documenting all specifications are available upon request for every batch shipped.

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 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.