Description

Methyl Boronic Acid Pinacol Ester is a protected boronic acid derivative, a crucial building block in modern synthetic chemistry. Its primary value lies in its enhanced stability compared to the free boronic acid, making it an ideal reagent for Suzuki-Miyaura cross-coupling reactions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries who require reliable, high-purity intermediates for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) via palladium-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides.
• Material Science Research: Employed in the development of organic electronic materials, polymers, and liquid crystals.
• Chemical Biology & Medicinal Chemistry: Serves as a versatile handle for bioconjugation and the discovery of new drug candidates.
• Catalyst & Ligand Development: Used as a precursor for synthesizing novel organoboron catalysts and ligands.
• Custom Synthesis & Contract Manufacturing: A critical reagent for custom synthesis houses serving diverse R&D and scale-up needs.

Basic Information

Product Name	Methyl Boronic Acid Pinacol Ester
CAS No.	94242-85-0
Molecular Formula	C7H15BO2
Molecular Weight	141.99 g/mol
Synonyms	Methylboronic Acid Pinacol Ester; Pinacol Methylboronate; Methylboronic Acid Pinacol Ester; 2-Methyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Methyl Boric Acid Pinacol Ester; Methyl BPin; Methyl-BPin; Methylboronic Acid Pinacol Cyclic Ester
EINECS	Contact for details

Quality Control

Our Methyl Boronic Acid Pinacol Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, GC, and HPLC, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for prolonged use or when opening the container to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (GC/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.