Description

3-Thiophenecarboxylic Acid, 2,5-Dihydroxy- (9Ci) is a high-purity, multifunctional heterocyclic building block of significant interest in advanced organic synthesis. Its unique structure, featuring both carboxylic acid and dihydroxy substituents on a thiophene core, makes it a versatile precursor for creating complex molecules with tailored electronic and binding properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science sectors, where it is used to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in areas requiring heterocyclic scaffolds with hydrogen-bonding capabilities.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its bio-active thiophene structure.
• Organic Electronic Materials: 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 and Catalyst Design: The carboxylic acid and hydroxyl groups provide excellent sites for metal coordination, useful in creating catalysts for asymmetric synthesis.
• Chemical Research & Development: A valuable building block in academic and industrial R&D for exploring new chemical spaces and reaction pathways.
• Specialty Polymer Modification: Incorporated into polymer chains to impart specific functionalities such as improved solubility, adhesion, or biocompatibility.

Basic Information

Item	Details
Product Name	3-Thiophenecarboxylic Acid, 2,5-Dihydroxy- (9Ci)
CAS No.	733725-57-0
Molecular Formula	C5H4O4S
Molecular Weight	160.15 g/mol
Synonyms	2,5-Dihydroxythiophene-3-carboxylic Acid; 2,5-Dihydroxy-3-thiophenecarboxylic Acid; 3-Carboxy-2,5-dihydroxythiophene; 2,5-Dihydroxythiophene-3-carboxylate; Thiophene-3-carboxylic acid, 2,5-dihydroxy-
EINECS	Contact for details

Quality Control

Our 3-Thiophenecarboxylic Acid, 2,5-Dihydroxy- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical parameters. Our quality commitment ensures the material meets the high standards required for research and commercial synthesis applications.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect stability and performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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