Description

Ethyl 4,5-Dichlorothiophene-2-Carboxylate is a high-purity, versatile organic building block and synthetic intermediate. This compound is valued for its functionalized thiophene core, which is essential for constructing complex molecules in advanced research and development. It is primarily sought after by pharmaceutical, agrochemical, and material science industries for applications in drug discovery, crop protection, and the synthesis of functional polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with thiophene-based heterocyclic structures.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging the bioactivity of the dichlorothiophene moiety.
• Material Science: Serves as a monomer or building block for conductive polymers, organic semiconductors, and other advanced electronic materials.
• Chemical Research: Employed in organic synthesis as a versatile scaffold for cross-coupling reactions, nucleophilic substitutions, and further functionalization.
• Dye and Pigment Intermediate: Utilized in the development of specialized dyes and organic pigments due to its stable aromatic system.

Basic Information

Product Name	Ethyl 4,5-Dichlorothiophene-2-Carboxylate
CAS No.	130562-97-9
Molecular Formula	C7H6Cl2O2S
Molecular Weight	225.09 g/mol
Synonyms	Ethyl 4,5-dichloro-2-thiophenecarboxylate; 4,5-Dichlorothiophene-2-carboxylic acid ethyl ester; 2-Thiophenecarboxylic acid, 4,5-dichloro-, ethyl ester; Ethyl 4,5-dichlorothiophene-2-carboxylate; 130562-97-9; 4,5-Dichloro-thiophene-2-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 4,5-Dichlorothiophene-2-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and bases. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption.

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%

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