Description

1-Propanone,2-Methyl-1-[(1R,3S)-1-Methyl-3-(1-Methylethenyl)Cyclopentyl]-(9Ci) is a specialized chiral ketone derivative with a complex cyclopentyl structure. This compound is valued for its role as a high-purity synthetic intermediate in the production of advanced fine chemicals and active pharmaceutical ingredients (APIs). It is primarily sought by R&D laboratories and manufacturing units in the pharmaceutical, agrochemical, and fragrance industries for constructing complex molecular architectures with specific stereochemistry.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of novel therapeutic agents and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides with targeted activity.
• Fragrance & Flavor Chemistry: Serves as a precursor for synthesizing complex odorants and flavor compounds with specific stereochemical profiles.
• Organic Synthesis & Catalysis: Employed in academic and industrial research for developing new synthetic methodologies and asymmetric catalysis.
• Material Science Research: Investigated as a monomer or functional additive for specialized polymers and advanced materials.

Basic Information

Product Name	1-Propanone,2-Methyl-1-[(1R,3S)-1-Methyl-3-(1-Methylethenyl)Cyclopentyl]-(9Ci)
CAS No.	791620-50-3
Molecular Formula	C12H20O
Molecular Weight	180.29 g/mol
Synonyms	2-Methyl-1-[(1R,3S)-1-methyl-3-(prop-1-en-2-yl)cyclopentyl]propan-1-one; (1R,3S)-2-Methyl-1-[1-methyl-3-(1-methylethenyl)cyclopentyl]-1-propanone; Chiral Isopropylidenecyclopentyl Ketone Derivative; (1R,3S)-Isomer of C12H20O; 791620-50-3; (1R,3S)-Methylpropenylcyclopentylpropanone
EINECS	Contact for details

Quality Control

Our production of 1-Propanone,2-Methyl-1-[(1R,3S)-1-Methyl-3-(1-Methylethenyl)Cyclopentyl]-(9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized using advanced analytical techniques including HPLC, GC, and chiral analysis to confirm identity, purity, and enantiomeric excess. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This material is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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