Description

Acetic Acid, (4-Chloro-5-(4-Methylphenyl)-3-Oxo-2(3H)-Furanylidene)-, Ethyl Ester is a specialized organic compound belonging to the class of furanone derivatives, serving as a critical advanced intermediate in modern synthetic chemistry. Its unique molecular structure makes it a valuable building block for the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. This high-purity intermediate is essential for research and development chemists and process engineers seeking to synthesize novel active ingredients with specific functionalities.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for anti-inflammatory, antimicrobial, or central nervous system (CNS) active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, or fungicides, leveraging its furanone core for biological activity.
• Organic Synthesis Building Block: Serves as a versatile electrophile or Michael acceptor in complex organic reactions, including cyclizations and cross-coupling, for academic and industrial R&D.
• Material Science Research: Potential monomer or functional additive in the development of specialty polymers or organic electronic materials due to its conjugated system.
• Dye and Pigment Intermediate: Can be utilized in the synthesis of specialized colorants and functional dyes owing to its chromophoric structure.

Basic Information

Product Name	Acetic Acid, (4-Chloro-5-(4-Methylphenyl)-3-Oxo-2(3H)-Furanylidene)-, Ethyl Ester
CAS No.	139266-45-8
Molecular Formula	C15H13ClO4
Molecular Weight	292.71 g/mol
Synonyms	(4-Chloro-5-(p-tolyl)-3-oxo-2,3-dihydrofuran-2-ylidene)ethyl acetate; Ethyl (4-chloro-5-(4-methylphenyl)-3-oxo-2,5-dihydrofuran-2-ylidene)acetate; 2-(Ethoxycarbonylmethylene)-4-chloro-5-(4-methylphenyl)furan-3(2H)-one; 139266-45-8; (4-Chloro-5-(4-methylphenyl)-3-oxo-2(3H)-furanylidene)acetic acid ethyl ester
EINECS	Contact for details

Quality Control

Our production of Acetic Acid, (4-Chloro-5-(4-Methylphenyl)-3-Oxo-2(3H)-Furanylidene)-, Ethyl Ester adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and structural identity. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with each shipment to guarantee batch-to-batch consistency and traceability for your critical R&D and scale-up processes.

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 heat, sparks, and open flame. This compound is likely light-sensitive and should be stored away from light. For long-term storage, consider under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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