Description

5-Chloro-4-Methyl-Thiophene-2-Carboxylic Acid is a high-value heterocyclic building block and key synthetic intermediate. This compound matters for its role in constructing complex molecular architectures, particularly in advanced pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-infective agents.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging the thiophene scaffold for bioactivity.
• Material Science: Serves as a monomer or functionalizing agent in the production of conductive polymers and organic semiconductors for electronic applications.
• Chemical Research: Employed as a versatile building block in organic synthesis for constructing complex heterocyclic compounds and fine chemicals.
• Ligand and Catalyst Development: Utilized to create novel chelating ligands for metal catalysis and coordination chemistry.

Basic Information

Product Name	5-Chloro-4-Methyl-Thiophene-2-Carboxylic Acid
CAS No.	74598-03-1
Molecular Formula	C7H5ClO2S
Molecular Weight	188.63 g/mol
Synonyms	5-Chloro-4-methyl-2-thiophenecarboxylic acid; 2-Thiophenecarboxylic acid, 5-chloro-4-methyl-; 4-Methyl-5-chlorothiophene-2-carboxylic acid; 5-Chloro-4-methylthiophene-2-carboxylic acid; 74598-03-1; 5-Chloro-4-methyl-2-thiophenecarboxylate
EINECS	Contact for details

Quality Control

Our 5-Chloro-4-Methyl-Thiophene-2-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all specification parameters. Our quality commitment ensures the material is suitable for demanding R&D and scale-up 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 purity and stability. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.