Description

(2E)-4-{[5-Ethyl-3-(Methoxycarbonyl)Thiophen-2-Yl]Amino}-4-Oxobut-2-Enoic Acid is a high-purity, specialized organic intermediate featuring a unique thiophene-based molecular scaffold. This compound is valued for its role as a critical building block in advanced synthetic chemistry, enabling the development of novel compounds with targeted properties. It is primarily sought by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for the synthesis of active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting specific biological pathways.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, such as herbicides or fungicides.
• Material Science: Acts as a monomer or functional additive in the research of advanced polymers and organic electronic materials.
• Chemical Synthesis: Employed as a versatile building block in organic synthesis for constructing complex heterocyclic systems.
• Academic & Contract Research: Utilized in university laboratories and CROs (Contract Research Organizations) for methodological studies and discovery chemistry.

Basic Information

Product Name	(2E)-4-{[5-Ethyl-3-(Methoxycarbonyl)Thiophen-2-Yl]Amino}-4-Oxobut-2-Enoic Acid
CAS No.	444908-71-8
Molecular Formula	C13H15NO5S
Molecular Weight	297.33 g/mol
Synonyms	4-[(5-Ethyl-3-methoxycarbonylthiophen-2-yl)amino]-4-oxobut-2-enoic acid; (2E)-4-[(5-Ethyl-3-methoxycarbonyl-2-thienyl)amino]-4-oxo-2-butenoic acid; 2-Butenoic acid, 4-[(5-ethyl-3-methoxycarbonyl-2-thienyl)amino]-4-oxo-, (2E)-; 444908-71-8; Thiophene-2-carboxamide derivative; 5-Ethyl-3-(methoxycarbonyl)-N-(3-carboxyacryloyl)thiophen-2-amine
EINECS	Contact for details

Quality Control

Our (2E)-4-{[5-Ethyl-3-(Methoxycarbonyl)Thiophen-2-Yl]Amino}-4-Oxobut-2-Enoic Acid is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR), to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider inert gas purging to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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