Description

Ethanone, 1,1-[(1R,3R)-4-Methyl-4-Cyclopentene-1,3-Diyl]Bis-, Rel- (9Ci) is a specialized chiral diketone compound with a defined stereochemistry, serving as a critical advanced intermediate in fine chemical synthesis. Its value lies in its rigid, functionalized cyclopentene backbone, which provides a versatile scaffold for constructing complex molecular architectures. This high-purity intermediate is essential for research and development in the pharmaceutical and agrochemical sectors, where precise stereochemical control is paramount for creating active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring stereospecificity.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, where its structure can contribute to selective biological activity.
• Ligand and Catalyst Development: Serves as a precursor for creating chiral ligands and organocatalysts used in asymmetric synthesis.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing novel polymers with specific optical or mechanical properties.
• Flavor and Fragrance Chemistry: Potential intermediate for synthesizing complex odorants and flavor compounds with specific stereoisomeric profiles.
• Academic and R&D Laboratories: A valuable reagent for methodological studies in organic chemistry and total synthesis projects.

Basic Information

Product Name	Ethanone, 1,1-[(1R,3R)-4-Methyl-4-Cyclopentene-1,3-Diyl]Bis-, Rel- (9Ci)
CAS No.	643767-71-9
Molecular Formula	C12H16O2
Molecular Weight	192.26 g/mol
Synonyms	(1R,3R)-1,3-Bis(acetyl)-4-methyl-4-cyclopentene; rel-(1R,3R)-4-Methyl-4-cyclopentene-1,3-diyl diacetate; 1,1'-[(1R,3R)-4-Methyl-4-cyclopentene-1,3-diyl]bis[ethanone]; (1R,3R)-4-Methyl-4-cyclopentene-1,3-diyldiacetate; 4-Methyl-4-cyclopentene-1,3-diyldiacetate, (1R,3R)-rel-; Chiral Cyclopentene Diketone; 643767-71-9
EINECS	Contact for details

Quality Control

Our production of Ethanone, 1,1-[(1R,3R)-4-Methyl-4-Cyclopentene-1,3-Diyl]Bis-, Rel- (9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure high stereochemical and chemical purity suitable for sensitive synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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