Description

Ethanone, 1-[4-(1-Methylethenyl)-1-Cyclopenten-1-Yl]-, (R)- (9Ci) is a chiral, optically active ketone featuring a cyclopentenyl core substituted with an isopropenyl group. This compound is valued as a key chiral building block and intermediate in advanced organic synthesis, where its defined stereochemistry and functional groups enable precise molecular construction. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty fragrance industries for the synthesis of complex, biologically active molecules.

Application

• Pharmaceutical Intermediate: Serves as a critical chiral synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting central nervous system or metabolic diseases.
• Agrochemical Synthesis: Used in the production of advanced, enantiomerically pure pesticides and herbicides, where specific stereochemistry is crucial for bioactivity and environmental safety.
• Fine Chemical Building Block: Employed in asymmetric synthesis for constructing complex natural products, flavors, and fragrances that require high optical purity.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry, including studies on cycloaddition reactions and stereoselective catalysis.
• Material Science Precursor: Potential use in the synthesis of specialized monomers for polymers with unique optical or structural properties.

Basic Information

Product Name	Ethanone, 1-[4-(1-Methylethenyl)-1-Cyclopenten-1-Yl]-, (R)- (9Ci)
CAS No.	182494-94-6
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	(R)-1-[4-(Isopropenyl)cyclopent-1-en-1-yl]ethanone; (R)-1-[4-(1-Methylethenyl)-1-cyclopenten-1-yl]ethanone; (R)-4-Isopropenylcyclopent-1-en-1-yl methyl ketone; (R)-α,α-Dimethyl-1-cyclopentene-1-acetaldehyde (tautomer); (R)-2-(4-Isopropenylcyclopent-1-en-1-yl)-2-propanone (tautomer); (R)-Ketone of isopropenylcyclopentene; (R)-IPCP Ketone; (R)-Enantiomer of CAS 182494-93-5.
EINECS	Contact for details

Quality Control

Our production of Ethanone, 1-[4-(1-Methylethenyl)-1-Cyclopenten-1-Yl]-, (R)- (9Ci) adheres to strict quality management protocols. Each batch undergoes rigorous analytical testing, including chiral HPLC for enantiomeric excess (ee) verification, to ensure high chemical and optical purity suitable for sensitive synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage under an inert atmosphere (e.g., nitrogen or argon), please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0% ee
Specific Rotation [α]D20	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.