Description

4-(Methylthio)Phenylboronic Acid is a versatile organoboron compound widely used as a key building block in modern synthetic chemistry. Its primary value lies in its role as a crucial coupling partner in Suzuki-Miyaura cross-coupling reactions, enabling the efficient construction of complex biaryl structures. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries, where it facilitates the development of new active ingredients and advanced functional materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing biphenyl or heterobiaryl motifs for therapeutic applications.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging the Suzuki reaction to create diverse chemical scaffolds.
• Material Science & OLED Development: Serves as a building block for creating organic light-emitting diode (OLED) materials, liquid crystals, and other advanced polymers requiring specific aryl-aryl linkages.
• Ligand & Catalyst Preparation: Employed in the synthesis of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating compound libraries.
• Fine Chemical Production: Integral to the manufacture of complex, high-value specialty chemicals where precise carbon-carbon bond formation is required.

Basic Information

Product Name	4-(Methylthio)Phenylboronic Acid
CAS No.	98546-51-1
Molecular Formula	C7H9BO2S
Molecular Weight	168.02 g/mol
Synonyms	(4-Methylsulfanylphenyl)boronic acid; 4-(Methylmercapto)benzeneboronic acid; p-(Methylthio)phenylboronic acid; B-[4-(Methylthio)phenyl]boronic acid; 4-Methylthiobenzeneboronic Acid; 98546-51-1; 4-Methylsulfanylbenzeneboronic acid
EINECS	Contact for details

Quality Control

Our 4-(Methylthio)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 consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment. We are committed to meeting the stringent requirements of cGMP and ISO standards for advanced chemical 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 product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation. 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%
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.