Description

3-(Ethylsulfonamido)Phenylboronic Acid is a specialized organoboron compound featuring a phenylboronic acid core functionalized with an ethylsulfonamide group. This structure is critical as a versatile building block in modern synthetic chemistry, particularly for cross-coupling reactions like the Suzuki-Miyaura reaction. It is primarily needed by research and development teams in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures. Its unique sulfonamide moiety offers valuable synthetic handles for further derivatization and property modulation.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those targeting sulfonamide-based enzyme inhibitors.
• Agrochemical Synthesis: Used in creating novel herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Material Science: Serves as a monomer or cross-linking agent in the development of functional polymers, sensors, and organic electronic materials.
• Chemical Biology & Proteomics: Employed in the design of molecular probes and affinity ligands for studying protein function and interactions.
• Catalyst & Ligand Development: Utilized to create novel palladium ligands and organocatalysts for asymmetric synthesis.
• Academic & Industrial R&D: Essential for method development and exploring new chemical spaces in medicinal and synthetic chemistry laboratories.

Basic Information

Product Name	3-(Ethylsulfonamido)Phenylboronic Acid
CAS No.	710348-41-7
Molecular Formula	C8H12BNO4S
Molecular Weight	229.06 g/mol
Synonyms	3-(Ethylsulfonylamino)benzeneboronic acid; [3-(Ethylsulfamoyl)phenyl]boronic acid; B-[3-(Ethylsulfamoyl)phenyl]boronic acid; 3-(Ethanesulfonamido)benzeneboronic acid; 3-(N-Ethylsulfamoyl)phenylboronic acid; 3-[(Ethylsulfonyl)amino]phenylboronic acid; 3-(Ethylsulfonamido)benzeneboronic Acid; AE-848/34388042
EINECS	Contact for details

Quality Control

Our 3-(Ethylsulfonamido)Phenylboronic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 (e.g., nitrogen or argon) for prolonged storage or when opening the container to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Heavy Metals	≤ 20 ppm

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