Description

2-(2-Chloro-Acetylamino)-4-Ethyl-5-Methyl-Thiophene-3-Carboxylic Acid Ethyl Ester is a high-purity, advanced pharmaceutical intermediate with a distinct thiophene-based molecular architecture. This compound is valued for its role as a critical building block in the synthesis of complex active pharmaceutical ingredients (APIs), particularly those targeting specific therapeutic pathways. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing novel compounds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, especially those with thiophene cores for therapeutic applications.
• Agrochemical Research: Used in the development and production of new-generation pesticides and herbicides, leveraging its heterocyclic structure.
• Organic Synthesis Building Block: Serves as a versatile reagent for constructing complex molecules in medicinal and process chemistry.
• Chemical Research & Development: Employed in academic and industrial R&D labs for exploring new chemical entities and reaction pathways.
• Material Science Precursor: Investigated for use in synthesizing specialized organic materials and functional polymers.

Basic Information

Product Name	2-(2-Chloro-Acetylamino)-4-Ethyl-5-Methyl-Thiophene-3-Carboxylic Acid Ethyl Ester
CAS No.	565191-90-4
Molecular Formula	C13H18ClNO3S
Molecular Weight	303.80 g/mol
Synonyms	Ethyl 2-[(2-chloroacetyl)amino]-4-ethyl-5-methylthiophene-3-carboxylate; 2-(2-Chloroacetamido)-4-ethyl-5-methylthiophene-3-carboxylic acid ethyl ester; 4-Ethyl-5-methyl-2-[(2-chloroacetyl)amino]thiophene-3-carboxylic acid ethyl ester; 2-(2-Chloroacetylamino)-4-ethyl-5-methyl-thiophene-3-carboxylic acid ethyl ester; Thiophene-3-carboxylic acid, 2-[(2-chloroacetyl)amino]-4-ethyl-5-methyl-, ethyl ester; CAS 565191-90-4
EINECS	Contact for details

Quality Control

Our 2-(2-Chloro-Acetylamino)-4-Ethyl-5-Methyl-Thiophene-3-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistent chemical identity. Certificates of Analysis (COA) detailing purity, impurities, and other critical parameters are provided with every shipment to guarantee compliance with your research and production standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.