Description

2-Methyl-Thiophene-3-Carboxylic Acid is a versatile heterocyclic building block, specifically a thiophene derivative functionalized with a carboxylic acid group. This compound is highly valued for its role as a key intermediate in the synthesis of complex molecules across advanced research and industrial chemistry. It is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and material science sectors seeking to develop novel active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with thiophene-based scaffolds.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Material Science Research: Serves as a monomer or functionalizing agent in the development of conductive polymers, organic semiconductors, and advanced organic frameworks.
• Ligand and Catalyst Development: The carboxylic acid group allows for coordination to metals, making it useful for creating specialized ligands in catalytic systems.
• Fine Chemical Production: Employed as a building block for synthesizing dyes, pigments, and other specialty chemicals requiring specific heterocyclic architectures.

Basic Information

Product Name	2-Methyl-Thiophene-3-Carboxylic Acid
CAS No.	1918-78-1
Molecular Formula	C6H6O2S
Molecular Weight	142.18 g/mol
Synonyms	3-Carboxy-2-methylthiophene; 2-Methyl-3-thiophenecarboxylic Acid; 2-Methyl-3-carboxythiophene; 3-Thiophenecarboxylic acid, 2-methyl-; 2-Methylthiophene-3-carboxylic acid; 2-Methyl-3-thiophene carboxylic acid
EINECS	217-639-3

Quality Control

Our 2-Methyl-Thiophene-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent chemical identity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee 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 room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases.

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.