Description

cis-(S)-4-Isopropenyl-1-Methylcyclohexene 1,2-Epoxide is a high-purity, chiral epoxide derivative of limonene, serving as a critical chiral building block and intermediate in advanced organic synthesis. Its defined stereochemistry and reactive oxirane ring make it invaluable for introducing specific three-dimensional complexity into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries who require precise stereochemical control for developing active ingredients, flavors, and fragrances.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of bioactive molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Building block for creating chiral pesticides, herbicides, and plant growth regulators with enhanced efficacy.
• Fine Chemical Production: Used in the manufacture of specialty chemicals, advanced materials, and complex fragrance compounds.
• Asymmetric Catalysis Research: Valuable substrate for developing and testing new chiral catalysts and synthetic methodologies.
• Flavor & Fragrance Industry: Intermediate for producing high-value, optically pure terpene-based aroma chemicals.
• Polymer Modification: Potential monomer or cross-linking agent for creating specialty polymers with unique properties.

Basic Information

Product Name	cis-(S)-4-Isopropenyl-1-Methylcyclohexene 1,2-Epoxide
CAS No.	42477-94-1
Molecular Formula	C10H16O
Molecular Weight	152.23 g/mol
Synonyms	(1S,2S,4S)-4-Isopropenyl-1-methyl-7-oxabicyclo[4.1.0]heptane; (1S,2S,4S)-p-Menth-8-ene 1,2-epoxide; (-)-cis-Limonene oxide; (S)-(-)-cis-Limonene-1,2-epoxide; L-Limonene oxide; cis-(S)-Limonene oxide; 7-Oxabicyclo[4.1.0]heptane, 4-(1-methylethenyl)-1-methyl-, (1S,2S,4S)-
EINECS	Contact for details

Quality Control

Our cis-(S)-4-Isopropenyl-1-Methylcyclohexene 1,2-Epoxide is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, enantiomeric excess, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. For long-term storage under an inert atmosphere, please contact our technical team for specific recommendations.

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%
Specific Rotation [α]	Contact for details
Refractive Index (n20D)	Contact for details
Density (g/mL)	Contact for details
Related Substances (GC)	≤ 2.0% total
Water Content (KF)	≤ 0.5%

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