Description

3-Thiopheneboronic Acid is a versatile organoboron building block essential for modern synthetic chemistry, particularly in cross-coupling reactions. Its primary value lies in enabling the efficient construction of complex thiophene-containing molecules, which are critical scaffolds in advanced material and pharmaceutical research. This compound is a key raw material for researchers and manufacturers in the pharmaceutical, agrochemical, and organic electronics industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates, especially those containing bioactive thiophene heterocycles.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides that incorporate the thiophene moiety for enhanced efficacy.
• Material Science & Organic Electronics: Serves as a precursor for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and field-effect transistors (OFETs).
• Ligand & Catalyst Development: Employed in the synthesis of novel ligands and organometallic complexes for catalytic applications.
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D labs for exploring new synthetic methodologies and creating complex molecular architectures.
• Fine Chemical Production: Used in the multi-step synthesis of specialty chemicals, dyes, and pigments.

Basic Information

Product Name	3-Thiopheneboronic Acid
CAS No.	6165-69-1
Molecular Formula	C4H5BO2S
Molecular Weight	127.96 g/mol
Synonyms	3-Thienylboronic Acid; Thiophen-3-ylboronic Acid; (Thiophen-3-yl)boronic Acid; 3-Boronothiophene; 3-Thiophene Boronic Acid; 3-Thienyl-B(OH)2; 3-Thenylboronic Acid
EINECS	228-214-1

Quality Control

Our 3-Thiopheneboronic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and batch-to-batch consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting key parameters such as assay, impurity profile, and moisture content. Our quality commitment aligns with the standards required for research and commercial-scale synthesis.

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 product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage or after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥97.0%
Water Content (KF)	≤1.0%
Melting Point	Contact for details

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