Description

Methyl 2,5-Dichlorothiophene-3-Carboxylate is a high-purity, versatile heterocyclic building block essential for advanced organic synthesis. This compound serves as a critical intermediate in the development of complex molecules, particularly within the pharmaceutical and agrochemical sectors. It is primarily sought after by R&D chemists and process development scientists working on active pharmaceutical ingredients (APIs), crop protection agents, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, especially 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 enhanced bioactivity.
• Material Science Research: Serves as a monomer or building block for creating conjugated polymers and organic electronic materials like OLEDs and semiconductors.
• Chemical Research & Development: Employed in academic and industrial labs for method development, catalysis studies, and exploring new heterocyclic chemistry.
• Dye and Pigment Intermediate: Utilized in the synthesis of specialized dyes and pigments where the dichlorothiophene moiety imparts specific color and stability properties.

Basic Information

Product Name	Methyl 2,5-Dichlorothiophene-3-Carboxylate
CAS No.	145129-54-0
Molecular Formula	C7H4Cl2O2S
Molecular Weight	223.08 g/mol
Synonyms	Methyl 2,5-dichloro-3-thiophenecarboxylate; 2,5-Dichlorothiophene-3-carboxylic acid methyl ester; 3-Thiophenecarboxylic acid, 2,5-dichloro-, methyl ester; Methyl 2,5-dichloro-3-thiophenecarboxylate; 2,5-Dichloro-3-methoxycarbonylthiophene; Methyl 2,5-dichloro-3-thiophenecarboxylate; 145129-54-0 (CAS)
EINECS	Contact for details

Quality Control

Every batch of Methyl 2,5-Dichlorothiophene-3-Carboxylate is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high standards required for research and commercial synthesis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment and is available upon request.

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 bases. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

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.