Description

4-Hexen-2-One, 3-Methyl-, [S-(E)]- (9Ci) is a chiral, unsaturated ketone with a defined stereochemistry, serving as a valuable intermediate in advanced organic synthesis. Its precise stereochemical configuration and reactive alkene/ketone functional groups make it a critical building block for creating complex, high-value molecules. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to introduce specific chiral centers and structural motifs into their target compounds.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of stereospecific drugs.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where specific isomerism can influence biological activity.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty chemicals requiring defined stereochemistry.
• Academic & Industrial Research: A valuable reagent in methodological development for asymmetric synthesis and catalysis studies.
• Material Science: Potential monomer or cross-linking agent in the development of specialized polymers with unique properties.

Basic Information

Product Name	4-Hexen-2-One, 3-Methyl-, [S-(E)]- (9Ci)
CAS No.	101223-88-5
Molecular Formula	C7H12O
Molecular Weight	112.17 g/mol
Synonyms	(3S,4E)-3-Methyl-4-hexen-2-one; (S,E)-3-Methyl-4-hexen-2-one; (E)-(S)-3-Methyl-4-hexen-2-one; (S)-(E)-3-Methyl-4-hexen-2-one; 3-Methyl-4-hexen-2-one, (S-(E))-; (4E)-3-Methyl-4-hexen-2-one, (3S)-; L-3-Methyl-4-hexen-2-one (E-isomer)
EINECS	Contact for details

Quality Control

Every batch of 4-Hexen-2-One, 3-Methyl-, [S-(E)]- (9Ci) is produced and tested under strict quality management protocols to ensure identity, purity, and enantiomeric excess meet the high standards required for synthetic applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing chiral purity, chemical purity, and other critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at controlled room temperature (15-25°C/59-77°F). Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use and stored away from heat and ignition sources.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0% ee
Specific Rotation	Contact for details
Water Content (KF)	≤ 0.5%

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