Description

3-Cyanothiophene-4-Boronic Acid Pinacol Ester is a high-purity, heterocyclic boronic ester building block essential for modern synthetic chemistry. Its value lies in enabling efficient cross-coupling reactions, such as the Suzuki-Miyaura reaction, to construct complex molecular architectures. This compound is critically needed by researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries for the development of novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon for constructing thiophene-containing drug candidates in medicinal chemistry programs.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides.
• Material Science: Serves as a precursor for organic electronic materials, including semiconductors and conductive polymers.
• Chemical Research: A versatile building block for academic and industrial R&D in organic synthesis and methodology development.
• Ligand and Catalyst Development: Employed in the synthesis of novel ligands and organometallic catalysts.

Basic Information

Product Name	3-Cyanothiophene-4-Boronic Acid Pinacol Ester
CAS No.	1073354-61-6
Molecular Formula	C11H14BNO2S
Molecular Weight	235.11 g/mol
Synonyms	4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-3-carbonitrile; 3-Cyanothiophene-4-boronic acid pinacol ester; 3-Thiophenecarbonitrile, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-; (3-Cyanothiophen-4-yl)boronic acid pinacol ester; 4-(Pinacolatoboryl)thiophene-3-carbonitrile; 3-Cyano-4-thienylboronic acid pinacol ester
EINECS	Contact for details

Quality Control

Our 3-Cyanothiophene-4-Boronic Acid Pinacol Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support 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 compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and to maintain optimal stability.

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.