Description

2-Pentanone, 3-Ethyl-4-Methyl-, (R)- (9Ci) is a chiral, highly volatile ketone with the CAS registry number 125873-76-9. This compound matters as a valuable chiral building block and specialty solvent, offering precise stereochemistry for advanced synthesis. It is needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries for applications requiring enantioselective control.

Application

• Chiral Intermediate in the asymmetric synthesis of active pharmaceutical ingredients (APIs).
• Specialty Solvent for high-value chemical reactions and purification processes.
• Flavor & Fragrance Precursor for creating specific, high-purity aroma compounds.
• Agrochemical Synthesis as a key intermediate for developing chiral pesticides and herbicides.
• Ligand & Catalyst Development in organometallic chemistry and catalysis research.
• Analytical Reference Standard for chromatography and spectroscopic method development.

Basic Information

Product Name	2-Pentanone, 3-Ethyl-4-Methyl-, (R)- (9Ci)
CAS No.	125873-76-9
Molecular Formula	C8H16O
Molecular Weight	128.21 g/mol
Synonyms	(R)-3-Ethyl-4-methylpentan-2-one; (R)-3-Ethyl-4-methyl-2-pentanone; (R)-3-Ethyl-4-methylpentan-2-one (9CI); 3-Ethyl-4-methyl-2-pentanone, (R)-; 2-Pentanone, 3-ethyl-4-methyl-, (R)-; (R)-3-Ethyl-4-methylpentan-2-one; (R)-3-Ethyl-4-methyl-2-pentanone; 125873-76-9
EINECS	Contact for details

Quality Control

Our 2-Pentanone, 3-Ethyl-4-Methyl-, (R)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity assessment by GC or HPLC, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place away from heat, sparks, and open flame. Due to its highly volatile nature, keep container tightly sealed when not in use. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Enantiomeric Excess (Chiral GC/HPLC)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Residue on Evaporation	≤ 0.1%

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