Description

Ethyl 2-[(4-Chlorophenyl)Amino]-4-Oxo-4,5-Dihydrothiophene-3-Carboxylate is a high-purity, synthetically valuable organic intermediate characterized by its fused thiophene and aminophenyl structure. This compound is essential for research and development in advanced organic synthesis, particularly for constructing complex heterocyclic scaffolds. It is primarily sought by pharmaceutical R&D laboratories and fine chemical manufacturers for use in developing novel active pharmaceutical ingredients (APIs) and specialty agrochemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and infectious diseases.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Material Science Precursor: Serves as a monomer or precursor for advanced polymers and organic electronic materials due to its conjugated system.
• Chemical Synthesis Reagent: Employed in academic and industrial research for constructing complex thiophene-containing molecules and studying reaction mechanisms.
• Dye and Pigment Intermediate: Potential use in the synthesis of specialized dyes and pigments where the chlorophenyl and thiophene groups contribute to color and stability.

Basic Information

Item	Details
Product Name	Ethyl 2-[(4-Chlorophenyl)Amino]-4-Oxo-4,5-Dihydrothiophene-3-Carboxylate
CAS No.	425629-94-3
Molecular Formula	C13H12ClNO3S
Molecular Weight	297.76 g/mol
Synonyms	Ethyl 2-[(4-chlorophenyl)amino]-4-oxo-4,5-dihydro-3-thiophenecarboxylate; 2-[(4-Chlorophenyl)amino]-4-oxo-4,5-dihydrothiophene-3-carboxylic Acid Ethyl Ester; 3-Carbethoxy-2-(p-chloroanilino)-4,5-dihydroxythiophene-4-one; 425629-94-3; AKOS BRN 0972; 4,5-Dihydro-2-[(4-chlorophenyl)amino]-4-oxo-3-thiophenecarboxylic Acid Ethyl Ester; Ethyl 2-(4-chloroanilino)-4-oxo-4,5-dihydrothiophene-3-carboxylate
EINECS	Contact for details

Quality Control

Our production of Ethyl 2-[(4-Chlorophenyl)Amino]-4-Oxo-4,5-Dihydrothiophene-3-Carboxylate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure consistency and compliance with research-grade standards. Certificates of Analysis (COA) detailing all specifications are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. The container should be kept tightly sealed when not in use to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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