Description

Methyl 2,5-Dichlorothiophene-3-Carboxylate is a high-purity, multi-functional heterocyclic building block essential for advanced organic synthesis. Its core value lies in its reactive dichlorothiophene scaffold and ester functionality, enabling precise molecular construction in complex chemical processes. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in central nervous system (CNS) and anti-infective therapeutic areas.
• Agrochemical Synthesis: Serves as a critical precursor in the manufacture of advanced herbicides, fungicides, and insecticides with specific activity profiles.
• Material Science Research: Used in the synthesis of conjugated polymers and organic semiconductors for electronic applications like OLEDs and organic photovoltaics.
• Ligand and Catalyst Development: Provides a versatile backbone for constructing complex chelating ligands used in homogeneous catalysis.
• Custom Synthesis & Contract Manufacturing: Employed by CDMOs for the production of bespoke fine chemicals and advanced intermediates for client projects.
• Academic & Industrial R&D: A valuable tool for methodological chemistry research and exploring new chemical spaces in discovery programs.

Basic Information

Item	Detail
Product Name	Methyl 2,5-Dichlorothiophene-3-Carboxylate
CAS No.	130562-95-7
Molecular Formula	C7H4Cl2O2S
Molecular Weight	223.08 g/mol
Synonyms	Methyl 2,5-dichloro-3-thiophenecarboxylate; 2,5-Dichlorothiophene-3-carboxylic acid methyl ester; Methyl 2,5-dichloro-3-thiophenecarboxylate; 3-Thiophenecarboxylic acid, 2,5-dichloro-, methyl ester; Methyl 2,5-dichloro-3-thienoate; 2,5-Dichloro-3-methoxycarbonylthiophene
EINECS	Contact for details

Quality Control

Our Methyl 2,5-Dichlorothiophene-3-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our commitment to quality supports compliance with cGMP and ISO standards where required for advanced intermediate applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

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
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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