Description

Cyclopentanone, 2-[(R)-Methylsulfinyl]-2-(Methylthio)-, (2R)-Rel- (9Ci) CAS NO 823221-67-6 is a high-purity, chiral sulfoxide derivative of cyclopentanone, serving as a sophisticated building block in advanced organic synthesis. Its unique stereochemistry and functional groups make it a critical intermediate for constructing complex molecules with high enantiomeric purity. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where precise stereocontrol is paramount for developing new active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel drug candidates, particularly in antiviral, anticancer, and central nervous system (CNS) therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides where specific stereochemistry influences biological activity.
• Asymmetric Catalysis Research: Serves as a valuable substrate or ligand precursor in the development of new catalytic systems for stereoselective transformations.
• Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value specialty chemicals and flavors & fragrances.
• Academic & Institutional Research: A critical reagent for methodological studies in organic chemistry, particularly in sulfoxide chemistry and stereochemistry.

Basic Information

Product Name	Cyclopentanone, 2-[(R)-Methylsulfinyl]-2-(Methylthio)-, (2R)-Rel- (9Ci)
CAS No.	823221-67-6
Molecular Formula	C7H12O2S2
Molecular Weight	192.30 g/mol
Synonyms	(2R)-rel-2-[(R)-Methylsulfinyl]-2-(methylthio)cyclopentanone; 2-[(R)-Methylsulfinyl]-2-(methylthio)cyclopentanone, (2R)-rel-; 2-(Methylsulfinyl)-2-(methylthio)cyclopentanone (rel-(2R,2'R)-isomer); rel-(2R,2'R)-2-(Methylsulfinyl)-2-(methylthio)cyclopentanone; 823221-67-6; Cyclopentanone, 2-(methylsulfinyl)-2-(methylthio)-, (2R)-rel-
EINECS	Contact for details

Quality Control

Every batch of Cyclopentanone, 2-[(R)-Methylsulfinyl]-2-(Methylthio)-, (2R)-Rel- (9Ci) is produced and analyzed under strict quality management protocols to ensure identity, purity, and consistency. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing chiral purity, chemical 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 controlled room temperature (typically 15-25°C). This material is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% 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.