Description

Ethanone, 1-[2-(1-Butenyl)-3-Cyclopenten-1-Yl]-, [1R-[1Alpha,2Alpha(Z)]]- (9Ci) CAS NO 140386-19-2 is a high-purity, stereochemically defined organic compound belonging to the class of cyclopentenyl ketones. This specialty chemical serves as a critical chiral intermediate or building block in advanced organic synthesis, valued for its unique structural framework. It is primarily sought by research institutions and industrial R&D teams in the pharmaceutical, agrochemical, and fragrance sectors for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new therapeutic agents, particularly in complex molecule synthesis.
• Agrochemical Synthesis: Used as a building block in creating advanced pesticides, herbicides, or plant growth regulators with specific stereochemical requirements.
• Fragrance & Flavor Chemistry: Serves as a precursor for synthesizing novel aroma compounds and specialty odorants due to its complex cyclic structure.
• Academic & Industrial Research: Employed in methodological studies and as a reference standard in asymmetric synthesis and catalysis research.
• Fine Chemical Production: Acts as an intermediate in the multi-step synthesis of other high-value, specialized organic compounds.
• Material Science Research: Potential monomer or precursor for developing specialized polymers or advanced organic materials.

Basic Information

Product Name	Ethanone, 1-[2-(1-Butenyl)-3-Cyclopenten-1-Yl]-, [1R-[1Alpha,2Alpha(Z)]]- (9Ci)
CAS No.	140386-19-2
Molecular Formula	C12H18O
Molecular Weight	178.27 g/mol
Synonyms	(1R,2R)-1-[(Z)-2-Buten-1-yl]-2-(1-oxoethyl)cyclopentene; 1-[2-[(1Z)-1-Buten-1-yl]-3-cyclopenten-1-yl]ethanone, (1R,2R)-rel-; (1R,2R)-1-[(Z)-2-Butenyl]-2-acetylcyclopentene; (1R,2R)-1-(2-Butenyl)-2-acetylcyclopentene (Z)-; CAS 140386-19-2; (1R,2R)-1-[(Z)-2-Buten-1-yl]-2-acetylcyclopentene; A chiral cyclopentenyl ketone derivative.
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Each batch is characterized using advanced analytical techniques including HPLC, GC, and NMR to confirm identity, chiral purity, and chemical purity. Certificates of Analysis (COA) detailing batch-specific results are available upon request. We adhere to a cGMP-compliant quality management system to ensure traceability and consistency for research and development applications.

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). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
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.