Description

(E)-4-{3-[(Ethylanilino)Carbonyl]Anilino}-4-Oxo-2-Butenoic Acid is a specialized organic compound featuring a conjugated butenoic acid core linked to an ethylanilino carbonyl anilino moiety. This molecular architecture makes it a valuable high-purity intermediate for advanced chemical synthesis, particularly in the development of active pharmaceutical ingredients (APIs) and functional materials. It is primarily sought by research institutions, pharmaceutical R&D laboratories, and fine chemical manufacturers engaged in creating novel compounds with specific biological or material properties.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Organic Synthesis Reagent: Used in research-scale and pilot-scale reactions to introduce its unique functional group into more complex molecules.
• Chemical Research: Serves as a reference standard or starting material in academic and industrial research for studying structure-activity relationships (SAR).
• Material Science Precursor: Potential use in the development of specialty polymers or organic electronic materials due to its conjugated system.
• Agrochemical Development: May be utilized in the research phase for creating new active ingredients with specific modes of action.

Basic Information

Product Name	(E)-4-{3-[(Ethylanilino)Carbonyl]Anilino}-4-Oxo-2-Butenoic Acid
CAS No.	940506-00-3
Molecular Formula	C19H18N2O4
Molecular Weight	338.36 g/mol
Synonyms	(E)-4-(3-((Ethylphenylamino)carbonyl)phenylamino)-4-oxobut-2-enoic acid; 4-Oxo-4-[3-[(N-ethylanilino)carbonyl]anilino]-2-butenoic acid; 2-Butenoic acid, 4-[3-[(ethylphenylamino)carbonyl]phenylamino]-4-oxo-, (2E)-; N-[3-[(Ethylamino)(phenyl)methyl]phenyl]-4-oxo-4-[(2E)-2-butenoyl]amino]but-2-enamide (related structure); (E)-4-(3-(N-Ethylcarbamoyl)anilino)-4-oxobut-2-enoic acid
EINECS	Contact for details

Quality Control

Our (E)-4-{3-[(Ethylanilino)Carbonyl]Anilino}-4-Oxo-2-Butenoic Acid is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets exacting standards for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical applications.

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). This compound may be moisture-sensitive; keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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