Description

[4Ar,(-)]-4,4A,5,6,7,8-Hexahydro-1,4Aα-Dimethyl-7β-(1-Methylethenyl)Naphthalene-2(3H)-One is a high-purity, specialized sesquiterpene derivative with a complex, stereochemically defined structure. This compound serves as a critical chiral intermediate and building block in advanced organic synthesis, valued for its unique molecular framework. It is primarily sought after by research and development laboratories, pharmaceutical manufacturers, and fine chemical producers engaged in the synthesis of complex natural products, fragrances, and novel active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel therapeutic agents, particularly in the synthesis of complex terpenoid-based molecules.
• Fragrance & Flavor Chemistry: Used as a precursor in the synthesis of high-value aroma chemicals and flavoring agents due to its sesquiterpene backbone.
• Organic Synthesis Research: An important building block in academic and industrial R&D for constructing complex polycyclic structures and studying stereoselective reactions.
• Natural Product Synthesis: Employed in the total or semi-synthesis of complex natural products that share its decalin or hydronaphthalene core structure.
• Agrochemical Research: Potential intermediate in the development of new, biologically active compounds for crop protection.
• Material Science: Investigated as a monomer or precursor for specialty polymers with unique optical or structural properties.

Basic Information

Product Name	[4Ar,(-)]-4,4A,5,6,7,8-Hexahydro-1,4Aα-Dimethyl-7β-(1-Methylethenyl)Naphthalene-2(3H)-One
CAS No.	2303-31-3
Molecular Formula	C15H22O
Molecular Weight	218.33 g/mol
Synonyms	(-)-α-Cyperone; (4aR)-4,4a,5,6,7,8-Hexahydro-1,4a-dimethyl-7-(1-methylethenyl)-2(3H)-naphthalenone; (4aR)-4,4a,5,6,7,8-Hexahydro-4a-methyl-1-methylene-7-(1-methylethenyl)naphthalen-2(1H)-one; α-Cyperone; (4aR)-α-Cyperone; (R)-(-)-α-Cyperone; 2(3H)-Naphthalenone, 4,4a,5,6,7,8-hexahydro-1,4a-dimethyl-7-(1-methylethenyl)-, (4aR)-
EINECS	Contact for details

Quality Control

Our [4Ar,(-)]-4,4A,5,6,7,8-Hexahydro-1,4Aα-Dimethyl-7β-(1-Methylethenyl)Naphthalene-2(3H)-One is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity analysis, to ensure identity, strength, and composition. Certificates of Analysis (COA) detailing specific results for assay, enantiomeric excess, and impurity profiles are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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