Description

4-Hydroxy-2-Thiophenecarboxylic Acid is a versatile heterocyclic building block featuring both a carboxylic acid and a phenolic hydroxyl group on a thiophene ring. This unique structure makes it a critical intermediate for synthesizing complex molecules in advanced research and development. It is particularly valuable for the pharmaceutical and agrochemical industries, where it is used to create novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in areas like enzyme inhibitors and receptor modulators.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a precursor for functional polymers, organic semiconductors, and conductive materials.
• Ligand and Catalyst Development: Utilized in the design of chelating ligands for metal catalysis and coordination chemistry.
• Chemical Research: Employed as a fundamental building block in organic synthesis and medicinal chemistry research programs.
• Dye and Pigment Intermediate: Acts as a starting material for the synthesis of specialized heterocyclic dyes.

Basic Information

Product Name	4-Hydroxy-2-Thiophenecarboxylic Acid
CAS No.	40748-90-1
Molecular Formula	C5H4O3S
Molecular Weight	144.15 g/mol
Synonyms	2-Thiophenecarboxylic acid, 4-hydroxy-; 4-Hydroxythiophene-2-carboxylic acid; 4-Hydroxy-2-thiophenecarboxylic acid; 4-Hydroxythiophene-2-carboxylic acid; 4-Hydroxy-2-carboxythiophene; 2-Carboxy-4-hydroxythiophene; 4-Hydroxythiophene-2-carboxylate
EINECS	Contact for details

Quality Control

Our 4-Hydroxy-2-Thiophenecarboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and organic solvents. The material is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.