Description

(1S,2R,5R)-2-Methyl-5-Isopropenylcyclohexanol is a high-purity, optically active monoterpenoid alcohol. This compound is a key chiral intermediate and building block in the synthesis of complex organic molecules, valued for its defined stereochemistry and functional group versatility. It is essential for research and production in the fragrance, flavor, and pharmaceutical industries, where precise molecular configuration is critical for product performance and safety.

Application

• Fragrance & Flavor Synthesis: Serves as a chiral precursor for the production of high-value aroma chemicals and natural product analogs.
• Pharmaceutical Intermediates: Used in the asymmetric synthesis of active pharmaceutical ingredients (APIs) and fine chemicals requiring specific stereocenters.
• Agrochemical Research: Acts as a building block for developing novel chiral pesticides and plant growth regulators.
• Organic Synthesis & Catalysis: Employed as a starting material or ligand precursor in stereoselective catalytic reactions and total synthesis projects.
• Specialty Chemicals: Utilized in the manufacture of advanced materials, liquid crystals, and performance additives.

Basic Information

Product Name	(1S,2R,5R)-2-Methyl-5-Isopropenylcyclohexanol
CAS No.	20549-48-8
Molecular Formula	C10H18O
Molecular Weight	154.25 g/mol
Synonyms	(-)-Isopulegol; L-Isopulegol; (1S,2R,5R)-Isopulegol; (1S)-(-)-Isopulegol; (1S,2R,5R)-p-Menth-8-en-3-ol; (1S,2R,5R)-2-Methyl-5-(1-methylethenyl)cyclohexanol; Laevogyral Isopulegol
EINECS	Contact for details

Quality Control

Our (1S,2R,5R)-2-Methyl-5-Isopropenylcyclohexanol is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by GC or HPLC, to ensure high enantiomeric excess (e.e.) and chemical purity. Certificates of Analysis (COA) with detailed specifications are provided to guarantee consistency and traceability for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen or argon blanket). Keep away from strong oxidizing agents.

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%
Optical Rotation [α]20/D	-20° to -24° (c=1 in ethanol)
Refractive Index n20/D	1.470 - 1.476
Specific Gravity (20/4°C)	0.905 - 0.915

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