Description

4,5-Dimethylthiophene-3-Carboxylic Acid (Saltdata: Free) is a high-purity, functionalized thiophene derivative serving as a critical building block in advanced organic synthesis. This compound is valued for its role in constructing complex heterocyclic systems, particularly in the development of novel pharmaceuticals and functional materials. It is primarily sought by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for creating active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for drugs targeting the central nervous system or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, leveraging its heterocyclic structure for biological activity.
• Material Science Research: Serves as a monomer or functional unit in the development of conductive polymers, organic semiconductors, and non-linear optical (NLO) materials.
• Ligand and Catalyst Development: Employed to create novel ligands for transition metal catalysis, useful in asymmetric synthesis and cross-coupling reactions.
• Chemical Research & Development: A versatile scaffold for medicinal chemistry and combinatorial chemistry libraries to explore new chemical entities.
• Dye and Pigment Intermediate: Potential use in synthesizing specialized dyes and pigments due to the thiophene core's electronic properties.

Basic Information

Product Name	4,5-Dimethylthiophene-3-Carboxylic Acid (Saltdata: Free)
CAS No.	19156-52-6
Molecular Formula	C7H8O2S
Molecular Weight	156.20 g/mol
Synonyms	3-Thiophenecarboxylic acid, 4,5-dimethyl-; 4,5-Dimethyl-3-thiophenecarboxylic acid; 4,5-Dimethylthiophene-3-carboxylic acid; 4,5-Dimethyl-3-carboxythiophene; 3-Carboxy-4,5-dimethylthiophene; 19156-52-6 (CAS); 4,5-Dimethyl-thiophene-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 4,5-Dimethylthiophene-3-Carboxylic Acid is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. Our quality management system supports compliance with ISO standards and customer-specific 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. The container must be kept tightly sealed in a dry environment to maintain product integrity.

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%
Heavy Metals	≤ 20 ppm

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