Description

4-(3-Nitroanilino)-4-Oxobut-2-Enoic Acid is a specialized nitroaniline derivative and a key chemical intermediate characterized by its reactive α,β-unsaturated carbonyl and nitroanilino functional groups. This compound matters for its role in facilitating complex organic synthesis, particularly in the construction of heterocyclic frameworks and advanced pharmaceutical scaffolds. It is primarily needed by research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries for the development of novel active ingredients and functional materials.

Application

• As a versatile pharmaceutical intermediate for the synthesis of potential drug candidates and active pharmaceutical ingredients (APIs).
• In agrochemical research for the development of novel herbicides, fungicides, and plant growth regulators.
• As a key building block in organic synthesis for constructing complex heterocyclic compounds like quinazolines and benzodiazepines.
• For the preparation of dye intermediates and specialty colorants in advanced material science.
• In academic and industrial R&D as a reagent for studying Michael addition reactions and other nucleophilic attack mechanisms.
• As a precursor for polymer modifiers and functional monomers in specialty polymer chemistry.

Basic Information

Product Name	4-(3-Nitroanilino)-4-Oxobut-2-Enoic Acid
CAS No.	36847-90-2
Molecular Formula	C10H8N2O5
Molecular Weight	236.18 g/mol
Synonyms	4-(3-Nitroanilino)-4-oxobut-2-enoic acid; 2-Butenoic acid, 4-[(3-nitrophenyl)amino]-4-oxo-; 4-[(3-Nitrophenyl)amino]-4-oxo-2-butenoic acid; (E)-4-((3-Nitrophenyl)amino)-4-oxobut-2-enoic Acid; 3-Nitroacetanilideacrylic acid; 4-(m-Nitroanilino)-4-oxo-2-butenoic acid; 4-Oxo-4-((3-nitrophenyl)amino)but-2-enoic acid
EINECS	Contact for details

Quality Control

Our 4-(3-Nitroanilino)-4-Oxobut-2-Enoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing specifications and test results are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases and reducing agents. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Yellow to orange crystalline 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.