Description

2-(Toluene-4-Sulfonylamino)Phenylboronic Acid, Pinacol Ester is a high-purity, advanced pharmaceutical intermediate and coupling reagent. This compound is critical for facilitating Suzuki-Miyaura cross-coupling reactions, enabling the efficient synthesis of complex biaryl structures. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and material science industries for developing new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those containing biaryl motifs.
• Suzuki-Miyaura Cross-Coupling Reagent: Enables carbon-carbon bond formation between aryl halides and boronic acids/esters under palladium catalysis.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with complex aromatic backbones.
• Material Science: Serves as a monomer or precursor for creating organic electronic materials, such as OLEDs and conductive polymers.
• Chemical Synthesis: A versatile reagent for constructing complex organic molecules in academic and industrial R&D laboratories.
• Ligand and Catalyst Development: Can be utilized to create novel ligands for transition metal catalysts.

Basic Information

Product Name	2-(Toluene-4-Sulfonylamino)Phenylboronic Acid, Pinacol Ester
CAS No.	796061-07-9
Molecular Formula	C19H24BNO4S
Molecular Weight	373.28 g/mol
Synonyms	2-[(4-Methylphenyl)sulfonylamino]phenylboronic acid pinacol ester; N-[2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-4-methylbenzenesulfonamide; 2-(p-Toluenesulfonamido)phenylboronic acid pinacol ester; B-[2-[(4-Methylphenyl)sulfonyl]amino]phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Tosylamino phenyl boronic ester; 2-(Tosylamino)phenylboronic acid pinacol ester; 796061-07-9
EINECS	Contact for details

Quality Control

Our 2-(Toluene-4-Sulfonylamino)Phenylboronic Acid, Pinacol Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and LC-MS, to ensure high chemical purity and structural identity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and compliance with your research or production standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

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.