Description

Methyl-5-Chlorothiophene-2-Carboxylate is a high-purity organic building block and versatile chemical intermediate essential for advanced synthesis. Its core value lies in its reactive chlorothiophene core and ester functionality, enabling precise molecular construction in complex chemical processes. This compound is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for developing active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon in the development of novel active pharmaceutical ingredients (APIs), particularly for candidates with thiophene-based scaffolds.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides where the chlorothiophene moiety imparts specific biological activity.
• Material Science Research: Serves as a precursor for conducting polymers, organic semiconductors, and other specialty materials requiring tailored electronic properties.
• Chemical Research & Development: Employed as a versatile building block in organic synthesis for coupling reactions, hydrolysis to the corresponding acid, or further functionalization.
• Dye and Pigment Industry: Acts as an intermediate in the synthesis of specialized dyes and pigments for high-performance applications.

Basic Information

Product Name	Methyl-5-Chlorothiophene-2-Carboxylate
CAS No.	35475-03-7
Molecular Formula	C6H5ClO2S
Molecular Weight	176.62 g/mol
Synonyms	Methyl 5-chlorothiophene-2-carboxylate; 5-Chloro-2-thiophenecarboxylic acid methyl ester; 2-Thiophenecarboxylic acid, 5-chloro-, methyl ester; Methyl 5-chloro-2-thiophenecarboxylate; 5-Chlorothiophene-2-carboxylic acid methyl ester; Methyl 5-chlorothiophene-2-carboxylic acid ester
EINECS	Contact for details

Quality Control

Our Methyl-5-Chlorothiophene-2-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our global B2B clients. Certificates of Analysis (COA) with detailed specifications from methods including HPLC, GC, and NMR are provided to guarantee traceability and compliance with your internal standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
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.