Description

2,5-Dimethylthiophene-3-Carboxylic Acid is a high-purity, functionalized thiophene derivative serving as a critical building block in advanced organic synthesis. This compound matters for its role as a versatile precursor in the development of pharmaceuticals, agrochemicals, and functional materials, enabling the introduction of a carboxylic acid moiety onto a substituted thiophene core. It is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create novel molecules with tailored properties.

Application

• Pharmaceutical Intermediate: A key synthon for the development of active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting new therapeutic agents.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents, including herbicides and fungicides.
• Material Science: Serves as a monomer or functional component in the synthesis of conductive polymers, organic semiconductors, and other specialty materials.
• Ligand and Catalyst Development: Employed in the preparation of novel ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Research: A valuable reagent for academic and industrial research in heterocyclic and organic chemistry.
• Fine Chemical Production: Integral to the multi-step synthesis of complex fine chemicals and dyes.

Basic Information

Product Name	2,5-Dimethylthiophene-3-Carboxylic Acid
CAS No.	26421-32-9
Molecular Formula	C7H8O2S
Molecular Weight	156.20 g/mol
Synonyms	3-Carboxy-2,5-dimethylthiophene; 2,5-Dimethyl-3-thiophenecarboxylic acid; 2,5-Dimethylthiophene-3-carboxylic acid; 3-Thiophenecarboxylic acid, 2,5-dimethyl-; 2,5-Dimethyl-3-thiophenecarboxylic acid; 2,5-Dimethyl-3-carboxythiophene
EINECS	Contact for details

Quality Control

Our 2,5-Dimethylthiophene-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high chemical purity and identity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and organic solvents. Handle and store in accordance with good laboratory practices.

Specification

Item	Specification
Appearance	White to off-white crystalline 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.