Description

3-(Methylthio)Phenylboronic Acid Pinacolate is a high-purity, organoboron building block essential for modern synthetic chemistry. Its primary value lies in its role as a protected boronic acid derivative, offering enhanced stability and handling characteristics compared to its free acid form. This compound is a critical intermediate for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to construct complex molecules via cross-coupling reactions.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for forming carbon-carbon bonds in the synthesis of biaryl structures, a common motif in active pharmaceutical ingredients (APIs) and advanced materials.
• Pharmaceutical Intermediate: Used in the research and development of novel drug candidates, particularly those containing substituted phenyl or heteroaryl groups.
• Agrochemical Synthesis: Serves as a building block for creating new herbicides, fungicides, and insecticides with tailored properties.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Material Science Research: Utilized in the synthesis of organic electronic materials, such as those for OLEDs and semiconductors.
• Chemical Biology Probes: Acts as a versatile handle for bioconjugation and the development of molecular probes.

Basic Information

Product Name	3-(Methylthio)Phenylboronic Acid Pinacolate
CAS No.	710348-63-3
Molecular Formula	C₁₃H₁₉BO₂S
Molecular Weight	250.16 g/mol
Synonyms	[3-(Methylsulfanyl)phenyl]boronic acid pinacol ester; 3-(Methylthio)benzeneboronic acid pinacol ester; (3-Methylsulfanylphenyl)boronic acid pinacol ester; Pinacol [3-(methylthio)phenyl]boronate; B-[3-(Methylthio)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 3-Methylmercaptophenylboronic acid pinacol ester; 3-(Methylthio)phenylBPin
EINECS	Contact for details

Quality Control

Our 3-(Methylthio)Phenylboronic Acid Pinacolate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC analysis, to ensure high chemical purity and lot-to-lot consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each 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 room temperature (15-25°C). The compound is moisture-sensitive; keep the container tightly sealed under an inert atmosphere for long-term storage.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details

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