Description

(E)-Ethyl 4-Ethoxy-2-Oxobut-3-Enoate is a high-purity, versatile chemical intermediate characterized by its α,β-unsaturated ester and ether functionalities. This compound is valued for its role as a key building block in sophisticated organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for developing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of heterocyclic compounds and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a building block for dyes, pigments, and specialty polymers.
• Academic & Industrial R&D: Employed in method development and the discovery of new chemical entities.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing complex ester-based aroma molecules.

Basic Information

Product Name	(E)-Ethyl 4-Ethoxy-2-Oxobut-3-Enoate
CAS No.	65260-58-4
Molecular Formula	C8H12O4
Molecular Weight	172.18 g/mol
Synonyms	Ethyl (E)-4-ethoxy-2-oxobut-3-enoate; Ethyl 4-ethoxy-2-oxo-3-butenoate; 3-Butenoic acid, 4-ethoxy-2-oxo-, ethyl ester, (E)-; (E)-Ethyl 4-ethoxy-2-oxobut-3-enoate; 4-Ethoxy-2-oxo-3-butenoic acid ethyl ester; Ethyl 4-ethoxy-2-oxobut-3-enoate (E)-isomer; 65260-58-4
EINECS	Contact for details

Quality Control

Our (E)-Ethyl 4-Ethoxy-2-Oxobut-3-Enoate is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases. The compound is moisture-sensitive; ensure containers are sealed after use to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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