Description

3-Chloro-2-Methylthiophene is a versatile heterocyclic building block, a key intermediate in the synthesis of complex organic molecules. Its value lies in its reactive chloro and methyl substituents on the thiophene ring, which allow for selective functionalization and incorporation into larger structures. This compound is essential for researchers and manufacturers in the agrochemical and pharmaceutical industries, particularly for developing novel active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing novel drug candidates, especially those with thiophene-based heterocyclic cores.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where the thiophene moiety imparts specific biological activity.
• Material Science: Serves as a monomer or precursor in the development of conductive polymers, organic semiconductors, and specialty polymers.
• Organic Synthesis & Research: A valuable reagent for cross-coupling reactions (e.g., Suzuki, Stille) and other transformations in academic and industrial R&D laboratories.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of complex organic dyes and pigments.
• Ligand Synthesis: Used to create specialized ligands for catalysis and coordination chemistry.

Basic Information

Product Name	3-Chloro-2-Methylthiophene
CAS No.	17249-83-1
Molecular Formula	C5H5ClS
Molecular Weight	132.61 g/mol
Synonyms	2-Methyl-3-chlorothiophene; 3-Chloro-2-methylthiophene; 3-Chloro-2-methyl-thiophene; Thiophene, 3-chloro-2-methyl-; 2-Methyl-3-chlorothiofene; NSC 403120; 17249-83-1
EINECS	Contact for details

Quality Control

Our 3-Chloro-2-Methylthiophene is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all specifications. Our quality system is designed to meet the stringent requirements of cGMP and ISO standards for advanced chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.22 g/cm³
Boiling Point	~ 175-180 °C

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