Description

4-Hexenoic Acid, 4-Methyl-3-Oxo-, Ethyl Ester is a specialized organic ester with a unique α,β-unsaturated ketone structure, making it a valuable synthon in advanced organic synthesis. This compound matters for its role as a key intermediate in the production of complex molecules, particularly in the pharmaceutical and agrochemical sectors. Industries that require high-purity, reliable building blocks for research and manufacturing, such as fine chemical producers and R&D laboratories, are the primary users of this material.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds with complex cyclic or heterocyclic structures.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and plant growth regulators, leveraging its reactive sites for molecular diversification.
• Flavor & Fragrance Industry: Serves as a precursor for synthesizing specific ester-based aroma compounds, contributing to complex scent and flavor profiles.
• Organic Chemical Research: Employed in academic and industrial R&D for studying Michael addition reactions, cyclization processes, and other transformations involving α,β-unsaturated carbonyl systems.
• Polymer Chemistry: Acts as a monomer or co-monomer in the synthesis of specialty polymers with tailored properties, such as adhesives or coatings.
• Fine Chemical Manufacturing: A versatile intermediate for producing other high-value, low-volume specialty chemicals used across various technology sectors.

Basic Information

Product Name	4-Hexenoic Acid, 4-Methyl-3-Oxo-, Ethyl Ester
CAS No.	27761-56-4
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	Ethyl 4-Methyl-3-oxo-4-hexenoate; 4-Methyl-3-oxo-4-hexenoic Acid Ethyl Ester; Ethyl 4-Methyl-3-oxohex-4-enoate; 3-Oxo-4-methyl-4-hexenoic Acid Ethyl Ester; Acetoacetic Acid, 4-Methyl-4-hexenyl Ester; 4-Methyl-4-hexen-3-one Ethyl Ester; Ethyl (E)-4-Methyl-3-oxo-4-hexenoate (if applicable); Ethyl 4-Methyl-3-oxohex-4-enoate
EINECS	Contact for details

Quality Control

Our 4-Hexenoic Acid, 4-Methyl-3-Oxo-, Ethyl Ester is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including chromatography and spectroscopy, to confirm identity and quantify purity and impurities. Certificates of Analysis (COA) detailing all specifications are provided with each shipment and are available upon request to support your quality assurance protocols.

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). Keep away from strong bases and incompatible materials such as strong oxidizing agents. Due to its reactivity profile, it is recommended to store under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (GC/HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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