Description

(E)-Ethyl 4-Ethoxy-3-Methyl-2-Oxobut-3-Enoate is a high-purity, specialized organic ester building block used in advanced chemical synthesis. This compound is valued for its unique molecular structure, which serves as a versatile intermediate in the production of complex molecules. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for constructing complex heterocyclic or keto-ester frameworks.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators requiring specific ethyl oxobut-3-enoate motifs.
• Fine Chemical Production: Serves as a crucial building block for synthesizing flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial R&D: Employed in organic chemistry research for methodology development, catalysis studies, and exploring new reaction pathways.
• Material Science Precursor: Potential use in the synthesis of monomers or ligands for polymeric and coordination complex materials.

Basic Information

Product Name	(E)-Ethyl 4-Ethoxy-3-Methyl-2-Oxobut-3-Enoate
CAS No.	1071847-27-2
Molecular Formula	C9H14O4
Molecular Weight	186.21 g/mol
Synonyms	Ethyl (2E)-4-ethoxy-3-methyl-2-oxobut-3-enoate; Ethyl 4-ethoxy-3-methyl-2-oxobut-3-enoate; (E)-Ethyl 4-ethoxy-3-methyl-2-oxobut-3-enoate; 2-Butenoic acid, 4-ethoxy-3-methyl-2-oxo-, ethyl ester, (2E)-; 4-Ethoxy-3-methyl-2-oxobut-3-enoic acid ethyl ester; Ethyl (E)-4-ethoxy-3-methyl-2-oxobut-3-enoate; Ethyl 4-ethoxy-3-methyl-2-oxo-3-butenoate
EINECS	Contact for details

Quality Control

Our (E)-Ethyl 4-Ethoxy-3-Methyl-2-Oxobut-3-Enoate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.