Description

(-)-4-[(R)-1,5-Dimethyl-4-Hexenyl]-1-Methyl-1,3-Cyclohexadiene is a high-purity, optically active terpenoid compound of significant interest in advanced organic synthesis and fragrance chemistry. Its specific stereochemistry and unique diene structure make it a valuable chiral building block and a key intermediate for creating complex molecules with defined sensory or biological properties. This product is essential for research and development laboratories, flavor & fragrance houses, and fine chemical manufacturers seeking to develop novel aroma compounds, pharmaceuticals, or specialty materials.

Application

• Fragrance & Flavor Intermediate: Serves as a key chiral precursor for the synthesis of sophisticated, high-value aroma chemicals and natural product analogs in the perfume and flavor industry.
• Pharmaceutical Research: Used as a chiral synthon or scaffold in medicinal chemistry for the development of novel active pharmaceutical ingredients (APIs) and bioactive compounds.
• Advanced Organic Synthesis: Acts as a versatile diene in Diels-Alder reactions and other cycloadditions for constructing complex, polycyclic molecular architectures.
• Asymmetric Catalysis Studies: Employed as a test substrate or ligand precursor in the development and optimization of new chiral catalysts and synthetic methodologies.
• Fine Chemical Production: Utilized in the multi-step synthesis of specialty chemicals, agrochemicals, and other high-value-added products requiring specific stereochemistry.
• Reference Standard: Provides a high-purity standard for analytical method development, quality control, and regulatory compliance in related chemical manufacturing.

Basic Information

Product Name	(-)-4-[(R)-1,5-Dimethyl-4-Hexenyl]-1-Methyl-1,3-Cyclohexadiene
CAS No.	28976-68-3
Molecular Formula	C15H24
Molecular Weight	204.35 g/mol
Synonyms	(R)-(-)-α-Bisabolene; (-)-α-Bisabolene; (R)-α-Bisabolene; (R)-1-Methyl-4-(6-methylhept-5-en-2-yl)cyclohexa-1,3-diene; (R)-1-Methyl-4-(6-methylhept-5-en-2-yl)-1,3-cyclohexadiene; (R)-p-Mentha-1,3-diene, 4-(6-methyl-5-hepten-2-yl)-; (4R)-4-[(1R)-1,5-Dimethyl-4-hexen-1-yl]-1-methyl-1,3-cyclohexadiene
EINECS	Contact for details

Quality Control

Our (-)-4-[(R)-1,5-Dimethyl-4-Hexenyl]-1-Methyl-1,3-Cyclohexadiene is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure it meets the high standards required for research and industrial applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment and 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 controlled room temperature (15-25°C). Due to its sensitivity to oxidation, the container should be kept sealed and only opened under appropriate conditions to minimize exposure to air.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Chiral Purity (Chiral GC/HPLC)	≥ 98.0% ee (R)
Specific Rotation [α]	Contact for details
Refractive Index (n20D)	Contact for details
Density	Contact for details

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