Description

Cyclohexanone, 2-Methyl-5-(1-Methylethyl)-, (5S)- (9Ci) is a high-purity, chiral monoterpenoid ketone, a key intermediate in the synthesis of complex organic molecules. Its defined stereochemistry at the 5-position makes it a valuable building block for producing enantiomerically pure compounds, ensuring superior performance in advanced applications. This specialty chemical is essential for research and production in the pharmaceutical, agrochemical, and fine chemical industries, where precise molecular architecture is critical.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of terpene-based therapeutics and fragrances.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its specific stereochemistry can influence biological activity and environmental profile.
• Fine Chemical & Flavor/Fragrance (F&F) Industry: Serves as a precursor for high-value aroma chemicals, perfumes, and flavoring agents, contributing complex, natural scent profiles.
• Organic Synthesis & Research: An important reagent in academic and industrial R&D for exploring new synthetic methodologies and constructing complex natural product analogs.
• Asymmetric Catalysis: Employed as a chiral auxiliary or ligand precursor in catalytic processes to induce stereoselectivity in chemical reactions.

Basic Information

Product Name	Cyclohexanone, 2-Methyl-5-(1-Methylethyl)-, (5S)- (9Ci)
CAS No.	160168-89-8
Molecular Formula	C10H18O
Molecular Weight	154.25 g/mol
Synonyms	(5S)-2-Methyl-5-(1-methylethyl)cyclohexanone; (5S)-2-Methyl-5-isopropylcyclohexanone; (5S)-p-Menth-8-en-2-one; (5S)-Carvotanacetone; (S)-(-)-Carvotanacetone; (S)-2-Methyl-5-(1-methylethyl)cyclohexanone; L-Carvotanacetone; (5S)-p-Menthan-2-one
EINECS	Contact for details

Quality Control

Our Cyclohexanone, 2-Methyl-5-(1-Methylethyl)-, (5S)- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by GC or HPLC, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are provided with every shipment.

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. This material is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Enantiomeric Excess (Chiral GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.465 - 1.475
Specific Rotation ([α]D20)	Contact for details

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