Description

[4S,(+)]-2-Isopropylidene-4β-Isopropenyl-5α-Vinyl-5-Methylcyclohexanone is a high-purity, chiral terpenoid derivative with a complex bicyclic structure, serving as a critical advanced intermediate in fine chemical synthesis. Its defined stereochemistry and reactive functional groups make it a valuable building block for creating complex molecules with specific spatial orientations. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and fragrance industries seeking to synthesize novel active ingredients or specialty aroma chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex natural products and potential active pharmaceutical ingredients (APIs) requiring specific stereocenters.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, where its terpenoid backbone can contribute to bioactive properties.
• Fragrance & Flavor Chemistry: Acts as a precursor for high-value aroma chemicals and specialty odorants, leveraging its complex, woody/amber-like structural motifs.
• Organic Synthesis Research: Serves as a sophisticated starting material or model compound in academic and industrial laboratories for methodology development (e.g., cyclization, functionalization reactions).
• Material Science Precursor: Potential use in the synthesis of specialized monomers for polymers with unique optical or structural properties.

Basic Information

Product Name	[4S,(+)]-2-Isopropylidene-4β-Isopropenyl-5α-Vinyl-5-Methylcyclohexanone
CAS No.	20303-60-0
Molecular Formula	C15H22O
Molecular Weight	218.33 g/mol
Synonyms	(+)-2-Isopropylidene-4-isopropenyl-5-vinyl-5-methylcyclohexanone; (4S)-2-Isopropylidene-4-isopropenyl-5-vinyl-5-methylcyclohexanone; (4S)-2-(Propan-2-ylidene)-4-(prop-1-en-2-yl)-5-ethenyl-5-methylcyclohexan-1-one; 5-Methyl-5-vinyl-4-isopropenyl-2-isopropylidenecyclohexanone; A derivative of α-Campholenic aldehyde; Terpenoid ketone intermediate.
EINECS	Contact for details

Quality Control

Our [4S,(+)]-2-Isopropylidene-4β-Isopropenyl-5α-Vinyl-5-Methylcyclohexanone is manufactured under strict quality management systems. Each batch is subjected to rigorous analytical testing, including chiral purity analysis by HPLC, to ensure high chemical and isomeric purity suitable for demanding synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). This compound is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee ([4S,(+)]-isomer)
Water Content (KF)	≤ 0.5%

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