Description

(3R)-4,4A,5,6,7,8-Hexahydro-4Aβ,5β-Dimethyl-3β-(1-Methylethenyl)Naphthalen-2(3H)-One CAS NO 13902-42-6 is a high-purity, stereochemically defined bicyclic ketone compound. This molecule serves as a valuable chiral building block and synthetic intermediate in advanced organic synthesis, prized for its rigid decalin-like framework and defined stereocenters. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and complex natural product analogs.

Application

• Pharmaceutical Intermediate: Key chiral precursor for the synthesis of steroidal analogs, terpenoid-based therapeutics, and other bioactive molecules with complex polycyclic structures.
• Agrochemical Synthesis: Building block for developing novel pesticides and herbicides that leverage its specific stereochemistry for targeted biological activity.
• Fine Chemical Production: Used in the manufacture of specialty chemicals, including fragrances, flavors, and advanced materials requiring precise molecular architecture.
• Academic & Industrial Research: Serves as a model compound or starting material in methodological development for asymmetric synthesis and catalysis studies.
• Process Chemistry: Employed in scale-up routes for the production of high-value chemical entities where its defined stereochemistry is critical for the final product's efficacy.

Basic Information

Product Name	(3R)-4,4A,5,6,7,8-Hexahydro-4Aβ,5β-Dimethyl-3β-(1-Methylethenyl)Naphthalen-2(3H)-One
CAS No.	13902-42-6
Molecular Formula	C15H22O
Molecular Weight	218.33 g/mol
Synonyms	(3R)-4,4a,5,6,7,8-Hexahydro-4a,5-dimethyl-3-(1-methylethenyl)naphthalen-2(3H)-one; (R)-4,4a,5,6,7,8-Hexahydro-4a,5-dimethyl-3-(prop-1-en-2-yl)naphthalen-2(3H)-one; (3R)-3-Isopropenyl-4a,5-dimethyl-4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-one; Dehydroabietic acid ketone derivative; Bicyclic terpenoid ketone
EINECS	Contact for details

Quality Control

Our (3R)-4,4A,5,6,7,8-Hexahydro-4Aβ,5β-Dimethyl-3β-(1-Methylethenyl)Naphthalen-2(3H)-One is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the stringent requirements for research and process chemistry. 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 in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to minimize exposure to atmospheric moisture. For long-term storage, consider the use of desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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