Description

(1R,2S,5R)-5-Isopropenyl-2-Methylcyclohexanol is a high-purity, optically active monoterpene alcohol with a distinct stereochemistry. This compound is valued for its role as a key chiral intermediate and building block in the synthesis of complex organic molecules, particularly in the fragrance and pharmaceutical sectors. It is essential for manufacturers requiring precise stereochemical control for producing flavors, fragrances, and active pharmaceutical ingredients (APIs).

Application

• Fragrance & Flavor Synthesis: A crucial chiral intermediate for creating high-value, optically pure aroma chemicals and flavoring agents.
• Pharmaceutical Intermediates: Serves as a key building block in the asymmetric synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of chiral pesticides and herbicides where specific stereochemistry is required for biological activity.
• Fine Chemical Manufacturing: Employed in research and development for creating novel chiral catalysts and specialty organic compounds.
• Academic & Industrial Research: A valuable reference standard and starting material for studies in organic synthesis and stereochemistry.

Basic Information

Product Name	(1R,2S,5R)-5-Isopropenyl-2-Methylcyclohexanol
CAS No.	51773-45-6
Molecular Formula	C10H18O
Molecular Weight	154.25 g/mol
Synonyms	(-)-Isopulegol; L-Isopulegol; (1R,2S,5R)-2-Methyl-5-(1-methylethenyl)cyclohexanol; (1R,2S,5R)-5-Isopropenyl-2-methylcyclohexan-1-ol; (1R,2S,5R)-p-Menth-8-en-3-ol; L-(-)-Isopulegol; (-)-p-Menth-8-en-3-ol
EINECS	257-390-6

Quality Control

Our (1R,2S,5R)-5-Isopropenyl-2-Methylcyclohexanol is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by GC or HPLC, to ensure compliance with customer specifications and industry standards. Certificates of Analysis (COA) detailing identity, purity, and specific rotation are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its oxidizable nature, prolonged exposure to air should be avoided.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Chiral Purity (GC/HPLC)	≥ 98.0% ee (enantiomeric excess)
Specific Rotation [α]	-20° to -24° (c=1 in ethanol)
Refractive Index (n20D)	1.470 - 1.480
Water Content (KF)	≤ 0.5%

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