Description

(3-Formyl-5-Methylphenyl)Boronic Acid Pinacol Ester is a high-purity, synthetically valuable organoboron building block. This compound is essential for modern cross-coupling reactions, particularly the Suzuki-Miyaura reaction, enabling the efficient construction of complex biaryl and heterobiaryl structures. It is a critical intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where precise molecular assembly is paramount.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, especially those containing biphenyl or aryl-heteroaryl motifs.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides requiring specific aryl coupling.
• Material Science Research: Serves as a precursor for creating organic electronic materials, such as those used in OLEDs and organic photovoltaics.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis and organocatalysts.
• Chemical Biology Probes: Useful for synthesizing molecular probes and tags for studying biological processes.
• Custom Synthesis and Contract Manufacturing: A vital reagent for fine chemical and custom synthesis houses serving diverse R&D and scale-up projects.

Basic Information

Product Name	(3-Formyl-5-Methylphenyl)Boronic Acid Pinacol Ester
CAS No.	1392146-21-2
Molecular Formula	C14H19BO3
Molecular Weight	246.11 g/mol
Synonyms	5-Methyl-3-formylbenzeneboronic acid pinacol ester; (5-Methyl-3-formylphenyl)boronic acid pinacol ester; 3-Formyl-5-methylbenzeneboronic acid pinacol ester; Pinacol (3-formyl-5-methylphenyl)boronate; (3-Formyl-5-methylphenyl)boronic acid, pinacol ester; B-(3-Formyl-5-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
EINECS	Contact for details

Quality Control

Our (3-Formyl-5-Methylphenyl)Boronic Acid Pinacol Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR (1H, 13C, 11B), and GC/MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with full analytical data are provided for each lot, supporting your quality assurance and regulatory needs.

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). This material is hygroscopic (moisture-sensitive). For long-term storage, consider storing under an inert atmosphere (argon or nitrogen) to maintain optimal purity and stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥97.0%
Purity (GC)	≥98.0%
Water Content (KF)	≤0.5%

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