Description

4-Hexen-2-One, 3-Hydroxy-, (3S,4E)- (9Ci) is a chiral, unsaturated hydroxy ketone that serves as a valuable synthetic intermediate and building block in organic chemistry. Its defined stereochemistry and functional group array make it a critical precursor for the synthesis of complex molecules, particularly in the pharmaceutical and fine chemical sectors. This compound is essential for researchers and manufacturers developing active pharmaceutical ingredients (APIs), flavors, fragrances, and advanced materials who require high-purity, structurally defined intermediates.

Application

• Pharmaceutical Intermediate: Key chiral building block for the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Flavor & Fragrance Synthesis: Used in the production of sophisticated aroma chemicals and flavoring agents due to its unsaturated ketone structure.
• Fine Chemical Production: Serves as a versatile precursor in multi-step organic syntheses for agrochemicals and specialty chemicals.
• Asymmetric Catalysis Research: Valuable substrate for studying and developing new chiral synthesis and catalytic methodologies.
• Material Science: Potential monomer or modifier in the development of specialized polymers with unique properties.

Basic Information

Product Name	4-Hexen-2-One, 3-Hydroxy-, (3S,4E)- (9Ci)
CAS No.	366494-47-5
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	(3S,4E)-3-Hydroxy-4-hexen-2-one; (S,E)-3-Hydroxy-4-hexen-2-one; 3-Hydroxy-4-hexen-2-one, (3S,4E)-; 4-Hexen-2-one, 3-hydroxy-, (3S,4E)-; (3S,4E)-3-Hydroxyhex-4-en-2-one
EINECS	Contact for details

Quality Control

Our 4-Hexen-2-One, 3-Hydroxy-, (3S,4E)- (9Ci) is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chiral purity verification and impurity profiling. Certificates of Analysis (COA) detailing identity, assay, enantiomeric excess, and related substances are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. This product is easily oxidized; prolonged exposure to air should be avoided. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 0.5%

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