Description

2,5-Bis-Thiopheneboronic Acid Pinacol Ester is a high-purity organoboron building block essential for modern synthetic chemistry. This compound is a critical reagent in cross-coupling reactions, enabling the precise construction of complex organic molecules and advanced materials. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and organic electronics industries for developing novel compounds and functional materials.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key monomer for constructing conjugated polymers and small molecules with tailored electronic properties.
• Pharmaceutical Intermediate Synthesis: Used in the research and development of active pharmaceutical ingredients (APIs), particularly for creating complex heterocyclic structures.
• Organic Semiconductor Development: Serves as a precursor for organic field-effect transistors (OFETs), organic light-emitting diodes (OLEDs), and photovoltaic materials.
• Agrochemical Research: Employed in the synthesis of novel crop protection agents and herbicides.
• Material Science: Facilitates the creation of metal-organic frameworks (MOFs) and other advanced functional materials.
• Ligand and Catalyst Design: Used to synthesize novel ligands for transition metal catalysis.

Basic Information

Product Name	2,5-Bis-Thiopheneboronic Acid Pinacol Ester
CAS No.	175361-81-6
Molecular Formula	C18H24B2O4S2
Molecular Weight	390.13 g/mol
Synonyms	2,5-Di(thiophen-2-yl)-1,3,2-dioxaborolane-4,4,5,5-tetramethyl; 2,5-Di(2-thienyl)-1,3,2-dioxaborolane-4,4,5,5-tetramethyl; 2,5-Bis(2-thienyl)-1,3,2-dioxaborolane-4,4,5,5-tetramethyl; 2,5-Di(thiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 2,5-Bis(thiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 2,5-Bis(2-thienyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Thiophene-2,5-diboronic acid bis(pinacol) ester
EINECS	Contact for details

Quality Control

Our 2,5-Bis-Thiopheneboronic Acid Pinacol Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for demanding synthetic applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards and can provide material suitable for research and development under cGMP guidelines upon request.

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) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for prolonged storage or after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	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.