Description

(3Ar,7S)-1,2,3,4,5,6,7,8-Octahydro-1,1,7-Trimethyl-3A,7-Methano-3Ah-Cyclopentacyclooctene is a high-purity, complex bicyclic terpenoid compound valued for its unique structural framework and high volatility. This compound serves as a critical advanced intermediate and chiral building block in sophisticated organic syntheses, enabling the creation of novel molecules with specific stereochemistry. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, aroma chemical, and fine chemical industries for the development of new active ingredients and specialty fragrances.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of novel therapeutic agents, particularly in steroid-like or complex polycyclic drug candidates.
• Aroma & Fragrance Chemistry: Used as a building block for creating unique, high-value odorants and fragrance molecules with complex woody or ambergris-type notes.
• Asymmetric Synthesis: Employed as a chiral scaffold or starting material in catalytic and stoichiometric asymmetric reactions to induce specific stereocenters.
• Fine Chemical Research: Serves as a model compound or intermediate in academic and industrial research exploring new synthetic methodologies for complex ring systems.
• Flavoring Agent Precursor: Potential use in the development of sophisticated flavoring substances after further chemical modification and safety evaluation.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers with unique thermal or optical properties.

Basic Information

Item	Information
Product Name	(3Ar,7S)-1,2,3,4,5,6,7,8-Octahydro-1,1,7-Trimethyl-3A,7-Methano-3Ah-Cyclopentacyclooctene
CAS No.	20212-91-3
Molecular Formula	C15H24
Molecular Weight	204.35 g/mol
Synonyms	(-)-Ambrox; (3aR,5aS,9aS,9bR)-3a,6,6,9a-Tetramethyldodecahydronaphtho[2,1-b]furan; Ambroxide; Ambroxan; (3aR,5aS,9aS,9bR)-3a,6,6,9a-Tetramethyl-1,2,3a,4,5,5a,6,7,8,9,9a,9b-dodecahydronaphtho[2,1-b]furan; (-)-Ambroxide; (3aR,5aS,9aS,9bR)-3a,6,6,9a-Tetramethyl-1,2,3a,4,5,5a,6,7,8,9,9a,9b-dodecahydro-2-benzoxepine; 1,2,3,4,5,6,7,8-Octahydro-1,1,7-trimethyl-3a,7-methano-3aH-cyclopentacyclooctene
EINECS	Contact for details

Quality Control

Our (3Ar,7S)-1,2,3,4,5,6,7,8-Octahydro-1,1,7-Trimethyl-3A,7-Methano-3Ah-Cyclopentacyclooctene is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high chemical purity, correct stereochemistry, and consistent performance as a synthetic intermediate. A comprehensive Certificate of Analysis (COA) detailing purity, enantiomeric excess, and key physical parameters is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to prevent evaporation and potential contamination. Store away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Enantiomeric Purity (Chiral GC/HPLC)	≥ 99.0% ee
Melting Point	75 - 80 °C
Loss on Drying	≤ 0.5%

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