Description

5-Methyl-2-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Benzaldehyde is a high-value, multi-functional boronic ester derivative that serves as a critical synthetic intermediate. Its core value proposition lies in enabling efficient cross-coupling reactions, which are fundamental for constructing complex molecular architectures in advanced research and development. This compound is essential for chemists and manufacturers in the pharmaceutical, agrochemical, and materials science industries who require reliable, high-purity building blocks for their synthesis pipelines.

Application

This versatile boronic ester is a key reagent in modern synthetic chemistry, primarily used as a building block in Suzuki-Miyaura cross-coupling reactions. Its applications include:

• Pharmaceutical Intermediate: For the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly in creating biaryl and heterobiaryl structures.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides that require specific aromatic frameworks.
• Material Science & OLED Development: Acts as a precursor for organic electronic materials, including ligands for metal-organic frameworks (MOFs) and emissive layers in OLEDs.
• Ligand & Catalyst Preparation: Useful for synthesizing specialized ligands used in asymmetric catalysis and transition metal complexes.
• Chemical Research & Development: A valuable tool in academic and industrial R&D for exploring new chemical spaces and reaction methodologies.

Basic Information

Product Name	5-Methyl-2-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Benzaldehyde
CAS No.	1418129-42-6
Molecular Formula	C14H19BO3
Molecular Weight	246.11 g/mol
Synonyms	2-Formyl-4-methylphenylboronic acid pinacol ester; (2-Formyl-4-methylphenyl)boronic acid pinacol ester; 5-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde; 4-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde; 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-5-methylbenzaldehyde; Pinacol (2-formyl-4-methylphenyl)boronate
EINECS	Contact for details

Quality Control

Our 5-Methyl-2-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)Benzaldehyde is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency suitable for demanding synthetic applications. 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 area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed and under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to maintain 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%
Water Content (KF)	≤ 0.5%

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