Description

4-Isopropylthiophenylboronic Acid is a high-purity organoboron compound, specifically a boronic acid derivative, serving as a critical building block in modern synthetic chemistry. Its primary value lies in its role as a versatile coupling partner in Suzuki-Miyaura cross-coupling reactions, enabling the efficient construction of complex biaryl and heterobiaryl structures. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality intermediates for drug discovery and fine chemical synthesis.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those containing biaryl motifs.
• Suzuki-Miyaura Cross-Coupling Reactions: Essential reagent for forming carbon-carbon bonds between aryl or heteroaryl groups, a cornerstone of modern medicinal chemistry.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides.
• Ligand and Catalyst Development: Serves as a starting material for creating sophisticated ligands and organometallic catalysts.
• Material Science Research: Building block for organic electronic materials, such as those used in OLEDs and semiconductors.
• Chemical Biology Probes: Utilized in the development of molecular probes and sensors due to its boronic acid functionality.

Basic Information

Product Name	4-Isopropylthiophenylboronic Acid
CAS No.	380427-38-3
Molecular Formula	C9H13BO2S
Molecular Weight	196.07 g/mol
Synonyms	4-(Isopropylthio)benzeneboronic Acid; (4-Isopropylsulfanylphenyl)boronic Acid; 4-(Isopropylthio)phenylboronic Acid; p-Isopropylthiophenylboronic Acid; B-[4-(1-Methylethylthio)phenyl]boronic Acid; 4-(Isopropylmercapto)benzeneboronic Acid; 380427-38-3; Boronic acid, B-[4-[(1-methylethyl)thio]phenyl]-
EINECS	Contact for details

Quality Control

Our 4-Isopropylthiophenylboronic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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 after opening to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥97.0%
Water Content (KF)	≤0.5%

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