Description

2-Pentanone, 3-Ethyl-4-Methyl-, (S)- (9Ci) is a chiral, high-purity ketone with the CAS number 125873-70-3. This compound is valued for its role as a versatile chiral building block and intermediate in advanced organic synthesis. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require enantiomerically pure intermediates for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of enantiomerically pure active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of chiral pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Serves as a precursor for specific, high-value aroma chemicals.
• Organic Synthesis Reagent: Acts as a building block in asymmetric synthesis and complex molecule construction.
• Ligand & Catalyst Development: Employed in the research and preparation of chiral ligands for catalytic applications.
• Material Science Research: Used as a monomer or modifier in the development of specialized polymers.

Basic Information

Product Name	2-Pentanone, 3-Ethyl-4-Methyl-, (S)- (9Ci)
CAS No.	125873-70-3
Molecular Formula	C8H16O
Molecular Weight	128.21 g/mol
Synonyms	(S)-3-Ethyl-4-methylpentan-2-one; (S)-3-Ethyl-4-methyl-2-pentanone; (S)-2-Pentanone, 3-ethyl-4-methyl-; 3-Ethyl-4-methyl-2-pentanone, (S)-; 3-Ethyl-4-methylpentan-2-one; 2-Pentanone, 3-ethyl-4-methyl-, (S)-; (S)-3-Ethyl-4-methylpentan-2-one (9CI)
EINECS	Contact for details

Quality Control

Our 2-Pentanone, 3-Ethyl-4-Methyl-, (S)- (9Ci) is produced under strict 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 research and synthesis. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are available for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong bases and oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Enantiomeric Excess (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.