Description

4-[4-(Ethoxycarbonyl)Anilino]-4-Oxobut-2-Enoic Acid is a high-purity organic intermediate characterized by its reactive α,β-unsaturated carbonyl and anilino functionalities. This compound is valued for its role as a versatile building block in the synthesis of more complex molecules, particularly in pharmaceutical and advanced material research. It is primarily sought by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and agrochemical industries for constructing novel active compounds and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those with complex amide or heterocyclic structures.
• Agrochemical Synthesis: Used in research and development for creating novel herbicides, fungicides, and plant growth regulators.
• Fine Chemical Building Block: Serves as a versatile synthon in organic synthesis for constructing dyes, pigments, and specialty polymers.
• Material Science Research: Investigated for the development of organic semiconductors, liquid crystals, and other advanced functional materials due to its conjugated system.
• Academic & R&D Laboratories: Employed in university and corporate research settings for methodological studies and the discovery of new chemical entities.

Basic Information

Product Name	4-[4-(Ethoxycarbonyl)Anilino]-4-Oxobut-2-Enoic Acid
CAS No.	53616-17-4
Molecular Formula	C13H13NO5
Molecular Weight	263.25 g/mol
Synonyms	4-[4-(Ethoxycarbonyl)phenylamino]-4-oxobut-2-enoic acid; (2E)-4-[[4-(Ethoxycarbonyl)phenyl]amino]-4-oxo-2-butenoic acid; 2-Butenoic acid, 4-[[4-(ethoxycarbonyl)phenyl]amino]-4-oxo-, (2E)-; 4-(4-Carbethoxyanilino)-4-oxo-2-butenoic acid; N-[4-(Ethoxycarbonyl)phenyl]maleamic acid; Ethyl 4-[(3-carboxyacryloyl)amino]benzoate; Maleanilic acid, 4'-ethoxycarbonyl-
EINECS	Contact for details

Quality Control

Our production of 4-[4-(Ethoxycarbonyl)Anilino]-4-Oxobut-2-Enoic Acid adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as identity, assay, and impurity profile. We support customer audits and can provide material for qualification against your specific pharmaceutical or research-grade specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). The product may be light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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