Description

(4As)-1,4,4Aβ,4B,5,6,7,8,8Aβ,9,10,10Aα-Dodecahydro-4Bα,8,8-Trimethylphenanthren-3(2H)-One is a high-purity, complex polycyclic ketone derivative with a defined stereochemistry, serving as a critical advanced intermediate in sophisticated organic syntheses. Its value lies in its unique, rigid molecular framework, which makes it an essential building block for constructing complex molecules in research and development. This compound is primarily needed by pharmaceutical R&D laboratories and fine chemical manufacturers focused on developing novel active pharmaceutical ingredients (APIs), fragrances, and specialty materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel steroidal or terpenoid-based therapeutic agents.
• Organic Synthesis Building Block: Used in complex multi-step syntheses, including Diels-Alder reactions and catalytic hydrogenations, to construct intricate polycyclic systems.
• Fragrance & Flavor Chemistry: Serves as a precursor for synthesizing high-value odorants and flavor compounds with complex, woody, or ambery characteristics.
• Material Science Research: Investigated as a monomer or precursor for creating novel polymers and liquid crystals with specific structural properties.
• Catalyst & Ligand Development: Its defined stereocenters make it a candidate for developing chiral catalysts or ligands for asymmetric synthesis.
• Reference Standard: Used as an analytical standard in quality control laboratories for method development and verification.

Basic Information

Item	Detail
Product Name	(4As)-1,4,4Aβ,4B,5,6,7,8,8Aβ,9,10,10Aα-Dodecahydro-4Bα,8,8-Trimethylphenanthren-3(2H)-One
CAS No.	57793-22-3
Molecular Formula	C19H30O
Molecular Weight	274.45 g/mol
Synonyms	4Bα,8,8-Trimethyldodecahydrophenanthren-3(2H)-one; (4aR,4bS,8aS,10aS)-1,2,3,4,4a,4b,5,6,7,8,8a,9,10,10a-Tetradecahydro-4b,8,8-trimethylphenanthren-3-one; 4b,8,8-Trimethyl-trans-perhydrophenanthren-3-one; Dodecahydro-4b,8,8-trimethylphenanthren-3(2H)-one; A complex sterane/terpane ketone derivative.
EINECS	Contact for details

Quality Control

Our (4As)-1,4,4Aβ,4B,5,6,7,8,8Aβ,9,10,10Aα-Dodecahydro-4Bα,8,8-Trimethylphenanthren-3(2H)-One is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and stereochemical integrity. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are available upon request to support your R&D and quality assurance processes.

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). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Specific Rotation	Contact for details
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.