Description

5-Hexen-2-One, 3-Methyl-, (3S)- (9Ci) is a chiral, unsaturated ketone that serves as a valuable building block in advanced organic synthesis. Its specific stereochemistry and reactive functional groups make it a critical intermediate for producing complex molecules with high enantiomeric purity. This compound is essential for research and development chemists in the pharmaceutical and fine chemical industries, particularly for the synthesis of active pharmaceutical ingredients (APIs), flavors, and fragrances.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of enantiomerically pure active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used in the production of complex organic molecules for agrochemicals and specialty materials.
• Flavor and Fragrance Industry: Serves as a precursor for the creation of specific, high-value aroma compounds.
• Academic and Industrial R&D: Employed in methodological development and asymmetric synthesis research.
• Catalyst and Ligand Development: Utilized as a starting material for synthesizing novel chiral catalysts and ligands.

Basic Information

Product Name	5-Hexen-2-One, 3-Methyl-, (3S)- (9Ci)
CAS No.	189573-82-8
Molecular Formula	C7H12O
Molecular Weight	112.17 g/mol
Synonyms	(3S)-3-Methyl-5-hexen-2-one; (S)-3-Methyl-5-hexen-2-one; (S)-(-)-3-Methyl-5-hexen-2-one; 5-Hexen-2-one, 3-methyl-, (3S)-; 3-Methyl-5-hexen-2-one, (S)-; L-3-Methyl-5-hexen-2-one; (S)-3-Methylpent-5-en-2-one
EINECS	Contact for details

Quality Control

Our 5-Hexen-2-One, 3-Methyl-, (3S)- (9Ci) is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by GC or HPLC, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, well-ventilated place at 2-8°C to minimize oxidation and volatility. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Enantiomeric Purity (Chiral GC/HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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