Description

(4As)-1,1,4Aβ-Trimethyl-1,2,3,4,4A,9,10,10Aα-Octahydrophenanthrene-2-One CAS NO 55902-90-4 is a high-purity, complex polycyclic ketone derivative with a sterically defined octahydrophenanthrene backbone. This compound serves as a critical advanced intermediate in the synthesis of complex organic molecules, particularly in pharmaceutical research and fine chemical manufacturing. It is essential for R&D chemists and process development scientists working on novel active pharmaceutical ingredients (APIs), specialty agrochemicals, and high-value material science applications where precise stereochemistry is required.

Application

• Pharmaceutical Intermediate: Key building block in the research and development of novel therapeutic agents, particularly for complex, multi-ring target molecules.
• Organic Synthesis Research: A versatile starting material or intermediate in academic and industrial laboratories for constructing complex polycyclic frameworks.
• Fine Chemical Production: Used in the manufacture of specialty chemicals, dyes, and pigments requiring specific stereochemical configurations.
• Agrochemical Synthesis: Potential intermediate in the development of advanced crop protection agents with complex molecular architectures.
• Material Science Research: Investigated as a precursor for organic electronic materials or liquid crystals due to its rigid, polycyclic structure.
• Reference Standard: Serves as an analytical standard for quality control and method development in analytical chemistry laboratories.

Basic Information

Product Name	(4As)-1,1,4Aβ-Trimethyl-1,2,3,4,4A,9,10,10Aα-Octahydrophenanthrene-2-One
CAS No.	55902-90-4
Molecular Formula	C₁₇H₂₄O
Molecular Weight	244.37 g/mol
Synonyms	1,1,4Aβ-Trimethyl-1,2,3,4,4a,9,10,10aα-Octahydrophenanthren-2-one; (4aR)-1,1,4a-Trimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthren-2-one; 2-Octahydrophenanthrenone, 1,1,4a-trimethyl-, (4aR)-; 1,1,4a-Trimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthren-2-one; (4aR)-1,1,4a-Trimethyl-1,2,3,4,4a,9,10,10a-octahydro-phenanthren-2-one; 55902-90-4; Light-sensitive (store away from light)
EINECS	Contact for details

Quality Control

Our production of (4As)-1,1,4Aβ-Trimethyl-1,2,3,4,4A,9,10,10Aα-Octahydrophenanthrene-2-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials undergo comprehensive analytical characterization, including HPLC, GC, NMR, and IR spectroscopy, to confirm identity, purity, and the absence of critical impurities. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all relevant specifications. We support custom synthesis and can tailor purity grades to meet specific research or cGMP starting material requirements.

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 heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

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