Description

2-(4-(Ethylsulfonyl)Phenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane is a high-purity boronic ester derivative, serving as a critical building block in modern synthetic chemistry. Its core value lies in enabling efficient Suzuki-Miyaura cross-coupling reactions, a cornerstone for constructing complex biaryl structures. This advanced intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly in the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) targeting various therapeutic areas.
• Agrochemical Synthesis: Used in creating novel herbicides, fungicides, and insecticides with enhanced efficacy.
• Material Science: Building block for organic electronic materials, such as those used in OLEDs and semiconductors.
• Ligand & Catalyst Development: Serves as a precursor for sophisticated ligands and catalysts in asymmetric synthesis.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for biological target identification and validation.
• Polymer Chemistry: Incorporated into specialty polymers to impart specific functional properties.

Basic Information

Product Name	2-(4-(Ethylsulfonyl)Phenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane
CAS No.	1436867-18-3
Molecular Formula	C14H21BO4S
Molecular Weight	296.19 g/mol
Synonyms	4-(Ethylsulfonyl)phenylboronic acid pinacol ester; (4-(Ethylsulfonyl)phenyl)boronic acid pinacol ester; 2-[4-(Ethylsulfonyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 4-(Ethylsulfonyl)benzeneboronic acid pinacol ester; Pinacol [4-(ethylsulfonyl)phenyl]boronate; B-[4-(Ethylsulfonyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 1436867-18-3
EINECS	Contact for details

Quality Control

Our production of 2-(4-(Ethylsulfonyl)Phenyl)-4,4,5,5-Tetramethyl-1,3,2-Dioxaborolane adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and structural integrity. Certificates of Analysis (COA) detailing all specifications are provided with each shipment. We support cGMP compliance for pharmaceutical applications and can tailor quality systems to meet specific customer and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and must be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and during weighing to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥97.0%
Water Content (KF)	≤0.5%
Residue on Ignition	≤0.1%

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