Description

5-Hexenoic Acid, 2-Oxo-, Ethyl Ester is a specialized organic ester compound with a reactive α-keto acid and terminal alkene functionality. This unique bifunctional structure makes it a valuable and versatile building block for synthesizing complex molecules in advanced research and industrial chemistry. It is primarily sought after by fine chemical manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty polymer sectors.

Application

• Pharmaceutical Intermediate: A key synthon for the preparation of heterocyclic compounds and active pharmaceutical ingredients (APIs) via reactions at both the keto and alkene groups.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators requiring specific chiral or branched carbon frameworks.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers with tailored properties, such as functionalized polyesters or coatings.
• Organic Synthesis & Research: An essential reagent for Diels-Alder reactions, Michael additions, and other C-C bond-forming transformations in academic and industrial R&D.
• Flavor & Fragrance Industry: Potential precursor for synthesizing specific ester-based aroma compounds, though typically in high-purity grades.
• Chemical Biology Probes: Used to develop activity-based probes and other tools for studying enzymatic activity and metabolic pathways.

Basic Information

Product Name	5-Hexenoic Acid, 2-Oxo-, Ethyl Ester
CAS No.	102337-17-7
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	Ethyl 2-oxo-5-hexenoate; Ethyl 5-hexenoate-2-one; 2-Oxo-5-hexenoic acid ethyl ester; 5-Hexenoic acid, 2-oxo-, ethyl ester; Ethyl levulinate, 5-alkenyl derivative; 2-Keto-5-hexenoic acid ethyl ester; Ethyl (oxo)hex-5-enoate
EINECS	Contact for details

Quality Control

Our 5-Hexenoic Acid, 2-Oxo-, Ethyl Ester is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including GC/HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the stringent requirements of advanced synthesis. Certificates of Analysis (COA) with detailed specifications are provided for each shipment, supporting compliance in cGMP and ISO 9001 environments where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as oxidizing agents. For long-term storage under inert atmosphere, please inquire.

Specification

Item	Specification
Appearance	Clear, 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%

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