Description

3-(Toluene-4-Sulfonylamino)Phenylboronic Acid, Pinacol Ester is a high-purity, advanced pharmaceutical intermediate and coupling reagent designed for complex organic synthesis. This compound is valued for its role as a protected boronic acid derivative, offering enhanced stability and reactivity in sensitive cross-coupling reactions. It is primarily utilized by researchers and process chemists in the pharmaceutical, agrochemical, and material science industries for developing novel active ingredients and functional molecules.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key building block for constructing biaryl and heterobiaryl scaffolds in drug discovery and development.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) targeting various therapeutic areas.
• Agrochemical Synthesis: Serves as a precursor in creating novel herbicides, fungicides, and insecticides.
• Material Science Research: Employed in the development of organic electronic materials, such as OLEDs and conductive polymers.
• Chemical Biology & Proteomics: Acts as a versatile handle for bioconjugation and labeling studies.
• Library Synthesis for High-Throughput Screening: Enables the rapid generation of diverse compound libraries for lead identification.

Basic Information

Product Name	3-(Toluene-4-Sulfonylamino)Phenylboronic Acid, Pinacol Ester
CAS No.	796061-08-0
Molecular Formula	C19H24BNO4S
Molecular Weight	373.27 g/mol
Synonyms	3-[(4-Methylphenyl)sulfonylamino]phenylboronic acid pinacol ester; N-[3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-4-methylbenzenesulfonamide; 3-(p-Toluenesulfonamido)phenylboronic acid pinacol ester; B-[3-[(4-Methylphenyl)sulfonylamino]phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 3-(Tosylamino)phenylboronic acid pinacol ester; CAS 796061-08-0; 3-(Toluene-4-sulfonylamino)phenylboronic acid pinacol ester
EINECS	Contact for details

Quality Control

Our 3-(Toluene-4-Sulfonylamino)Phenylboronic Acid, Pinacol Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and scale-up. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing purity, identity, and impurity profiles. Our quality systems support compliance with cGMP and ICH guidelines for advanced intermediates.

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 easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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