Description

4-Methyl-β-Styrylboronic Acid Pinacol Ester is a high-purity, organoboron building block essential for modern synthetic chemistry. This compound serves as a critical reagent in cross-coupling reactions, enabling the efficient construction of complex molecular architectures. It is primarily utilized by researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries for drug discovery and fine chemical synthesis.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for forming carbon-carbon bonds, particularly in the synthesis of styrene derivatives and complex biaryl structures.
• Pharmaceutical Intermediate Synthesis: Used in the research and development of active pharmaceutical ingredients (APIs), especially those containing extended conjugated systems.
• Agrochemical Compound Development: Employed in creating novel herbicides, fungicides, and insecticides with tailored properties.
• Material Science & Organic Electronics: A precursor for organic light-emitting diodes (OLEDs), semiconductors, and advanced polymers requiring specific electronic properties.
• Ligand and Catalyst Preparation: Useful in the synthesis of specialized ligands for transition metal catalysis.
• Chemical Biology & Probe Development: Facilitates the labeling and modification of biomolecules for diagnostic and research applications.

Basic Information

Product Name	4-Methyl-β-Styrylboronic Acid Pinacol Ester
CAS No.	149777-84-4
Molecular Formula	C₁₇H₂₃BO₂
Molecular Weight	270.18 g/mol
Synonyms	4-Methyl-trans-β-styrylboronic Acid Pinacol Ester; (E)-2-(4-Methylstyryl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 4-Methylstyrylboronic Acid Pinacol Ester; trans-4-Methylstyrylboronic Acid Pinacol Ester; (E)-4-Methyl-β-styrylboronic Acid Pinacol Ester; Pinacol (E)-4-Methylstyrylboronate; 4-Methyl-β-Styryl-Boronic Acid Pinacol Ester
EINECS	Contact for details

Quality Control

Every batch of 4-Methyl-β-Styrylboronic Acid Pinacol Ester is manufactured and tested under strict quality management protocols to ensure consistency and reliability for your critical applications. Our products undergo rigorous quality testing, including chromatographic purity analysis and structural confirmation, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing batch-specific results are available upon request.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

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.