Description

3-Borono-2-Thiophenecarboxylic Acid is a high-value organoboron building block and a functionalized heterocyclic compound. This chemical matters for its dual functionality, serving as a key precursor in modern synthetic chemistry, particularly for cross-coupling reactions and the construction of complex molecular architectures. It is primarily needed by researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries for developing new active ingredients and advanced functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel drug candidates, especially those containing thiophene or boron-based pharmacophores.
• Suzuki-Miyaura Cross-Coupling Reactions: Serves as a versatile boronic acid reagent for forming carbon-carbon bonds, essential for creating complex organic molecules.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Organic Electronic Materials: A precursor for synthesizing conjugated polymers and small molecules used in OLEDs, organic photovoltaics, and sensors.
• Ligand Synthesis: Employed in the preparation of novel ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Biology Probes: Utilized to create tagged molecules for studying biological processes and protein interactions.

Basic Information

Product Name	3-Borono-2-Thiophenecarboxylic Acid
CAS No.	5503-74-2
Molecular Formula	C5H5BO4S
Molecular Weight	171.97 g/mol
Synonyms	2-Carboxy-3-thienylboronic Acid; 3-Thienylboronic Acid-2-carboxylic Acid; (2-Carboxythiophen-3-yl)boronic Acid; 3-Boronothiophene-2-carboxylic Acid; Thiophene-3-boronic acid-2-carboxylic acid; 3-Borono-2-thiophenecarboxylic acid; 2-Thiophenecarboxylic acid, 3-borono-; 5503-74-2
EINECS	Contact for details

Quality Control

Our 3-Borono-2-Thiophenecarboxylic Acid is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and commercial synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed and under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%

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