Description

(5R)-5-Methyl-2-(Phenylsulfinyl)-Cyclohexanone is a high-purity chiral sulfoxide building block of significant interest in advanced organic synthesis. Its value lies in its defined stereochemistry and functional groups, which make it a versatile precursor for constructing complex, optically active molecules. This compound is primarily needed by research and development chemists and process scale-up teams in the pharmaceutical and fine chemical industries for applications such as asymmetric synthesis and the development of novel active pharmaceutical ingredients (APIs).

Application

• Chiral Intermediate in Pharmaceutical Synthesis: A key building block for the research and development of novel therapeutic agents, particularly where stereochemical control is critical.
• Asymmetric Catalyst and Ligand Precursor: Used in the synthesis of chiral auxiliaries, ligands, and organocatalysts for enantioselective transformations.
• Fine Chemical and Specialty Material Production: Serves as a starting material for high-value agrochemicals, flavors, fragrances, and advanced materials requiring specific stereochemistry.
• Academic and Industrial R&D: A valuable reference standard and reagent for methodological development in organic and medicinal chemistry research.
• Process Chemistry and Scale-Up: Employed in route scouting and optimization for the commercial-scale manufacturing of complex organic molecules.

Basic Information

Product Name	(5R)-5-Methyl-2-(Phenylsulfinyl)-Cyclohexanone
CAS No.	88154-77-2
Molecular Formula	C13H16O2S
Molecular Weight	236.33 g/mol
Synonyms	(5R)-5-Methyl-2-(phenylsulfinyl)cyclohexan-1-one; (R)-5-Methyl-2-(phenylsulfinyl)cyclohexanone; 2-(Phenylsulfinyl)-5-methyl-(5R)-cyclohexanone; Cyclohexanone, 5-methyl-2-(phenylsulfinyl)-, (5R)-; 88154-77-2; (5R)-5-Methyl-2-(benzenesulfinyl)cyclohexanone
EINECS	Contact for details

Quality Control

Our (5R)-5-Methyl-2-(Phenylsulfinyl)-Cyclohexanone is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including chiral HPLC, NMR, and GC/MS, to verify identity, enantiomeric excess, and impurity profiles. Certificates of Analysis (COA) detailing all specifications are provided with each shipment and are available upon request.

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 our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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