Description

(1R)-1,2,6,7,8,8A-Hexahydro-1,8Aα-Dimethyl-7β-(1-Methylethenyl)Naphthalene is a high-purity, stereochemically defined terpenoid intermediate with significant synthetic utility. Its rigid, fused-ring structure makes it a valuable chiral building block for the synthesis of complex natural products and bioactive molecules. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to introduce specific stereochemistry into their target molecules. CAS number 5090-61-9.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of steroids, terpenoid-based drugs, and other bioactive compounds requiring specific stereochemical configurations.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, where its terpenoid skeleton can contribute to specific biological activity.
• Fragrance and Flavor Chemistry: Acts as a starting material or intermediate for the synthesis of complex, naturally-derived aroma chemicals and flavorants.
• Organic Synthesis Research: A valuable scaffold in academic and industrial R&D for methodology development, catalysis studies, and the construction of complex molecular architectures.
• Fine Chemical Production: Employed in the custom synthesis of specialty chemicals, advanced materials, and other high-value, low-volume products.

Basic Information

Product Name	(1R)-1,2,6,7,8,8A-Hexahydro-1,8Aα-Dimethyl-7β-(1-Methylethenyl)Naphthalene
CAS No.	5090-61-9
Molecular Formula	C15H24
Molecular Weight	204.35 g/mol
Synonyms	(+)-α-Copaene; (1R,7S,8aS)-1,8a-Dimethyl-7-(prop-1-en-2-yl)-1,2,6,7,8,8a-hexahydronaphthalene; α-Copaene; Copaene; 1(10),4-Cadinadiene; NSC 406916; (1R,7S,8aS)-1,8a-Dimethyl-7-(1-methylethenyl)-1,2,6,7,8,8a-hexahydronaphthalene
EINECS	225-804-7

Quality Control

Our (1R)-1,2,6,7,8,8A-Hexahydro-1,8Aα-Dimethyl-7β-(1-Methylethenyl)Naphthalene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chiral purity analysis, to ensure it meets the high standards required for advanced synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting identity, purity, and specific impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen or argon) to preserve stability and purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Identification (GC/MS)	Conforms to reference
Assay (GC)	≥ 95.0%
Chiral Purity (Chiral GC/HPLC)	≥ 98.0% ee
Specific Rotation [α]20/D	Contact for details
Refractive Index n20/D	Contact for details
Water Content (KF)	≤ 0.5%

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