Description

Ethyl 4-Chlorothiophene-2-Carboxylate is a high-purity organic building block and key synthetic intermediate. This compound is valued for its reactive chlorothiophene core, which enables the construction of complex heterocyclic molecules in advanced chemical synthesis. It is primarily utilized by research and development chemists and process scale-up teams in the pharmaceutical and agrochemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing thiophene or chlorinated heterocyclic scaffolds.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides, leveraging its halogenated thiophene structure.
• Material Science Research: Serves as a monomer or building block for developing advanced polymers, organic semiconductors, and liquid crystals.
• Organic Synthesis & Catalysis: Employed in cross-coupling reactions (e.g., Suzuki, Stille) and as a substrate for developing new catalytic methodologies in academic and industrial R&D.
• Dye & Pigment Manufacturing: Acts as an intermediate for synthesizing specialized dyes and pigments with specific light-absorption properties.

Basic Information

Product Name	Ethyl 4-Chlorothiophene-2-Carboxylate
CAS No.	59614-94-7
Molecular Formula	C7H7ClO2S
Molecular Weight	190.65 g/mol
Synonyms	Ethyl 4-Chloro-2-thiophenecarboxylate; 4-Chloro-2-thiophenecarboxylic Acid Ethyl Ester; 2-Thiophenecarboxylic acid, 4-chloro-, ethyl ester; 4-Chlorothiophene-2-carboxylic Acid Ethyl Ester; Ethyl 4-chloro-2-thiophenecarboxylate; 4-Chloro-2-thiophenecarboxylic acid ethyl ester; Ethyl 4-chlorothiophene-2-carboxylate
EINECS	Contact for details

Quality Control

Our Ethyl 4-Chlorothiophene-2-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids and oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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