Description

4-Acetylphenylboronic Acid, Pinacol Ester is a protected boronic acid derivative, a crucial building block in modern synthetic organic 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 biaryl and heterobiaryl structures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those containing biphenyl or aryl-heteroaryl motifs.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides that require specific aryl coupling steps.
• Material Science & OLED Development: Serves as a precursor for creating organic light-emitting diode (OLED) materials, liquid crystals, and conductive polymers.
• Chemical Research & Development: A versatile reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating novel compound libraries.
• Ligand & Catalyst Preparation: Employed in the synthesis of sophisticated ligands and organometallic catalysts used in asymmetric synthesis and other catalytic processes.

Basic Information

Product Name	4-Acetylphenylboronic Acid, Pinacol Ester
CAS No.	171364-81-1
Molecular Formula	C14H19BO3
Molecular Weight	246.11 g/mol
Synonyms	4-Acetylbenzeneboronic Acid Pinacol Ester; 1-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethanone; 4-Acetylphenylboronic Acid Pinanediol Ester (common misnomer); 4-Acetylphenyl-Bpin; (4-Acetylphenyl)boronic Acid Pinacol Ester; p-Acetylphenylboronic Acid Pinacol Ester; 4-Acetylbenzeneboronic Acid Cyclic Ester with Pinacol
EINECS	Contact for details

Quality Control

Our 4-Acetylphenylboronic Acid, Pinacol Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and identity confirmation. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee consistent quality and traceability for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). The product is moisture-sensitive; keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to maintain optimal stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Assay	≥ 95.0%
Melting Point	Contact for details

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