Description

(8S,9S,10R,13R,14S,17S)-17-(1-Hydroxyethyl)-13-Methyl-2,6,7,8,9,10,11,12,14,15,16,17-Dodecahydro-1H-Cyclopenta[A]Phenanthren-3-One is a high-purity steroidal compound, CAS 3643-00-3, serving as a critical advanced intermediate in complex organic synthesis. Its defined stereochemistry and functional groups make it an essential building block for pharmaceutical research and development. This compound is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, biotechnology, and fine chemical industries.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel steroidal drugs and active pharmaceutical ingredients (APIs).
• Steroid Synthesis: Used in the multi-step synthesis of complex steroid derivatives for biological evaluation and therapeutic applications.
• Biochemical Research: Serves as a reference standard or precursor in metabolic pathway studies and hormone-related research.
• Fine Chemical Production: Employed in the manufacture of high-value, specialty chemicals requiring specific stereochemical configurations.
• Process Chemistry: Utilized in route scouting and optimization for the scalable production of target molecules.

Basic Information

Product Name	(8S,9S,10R,13R,14S,17S)-17-(1-Hydroxyethyl)-13-Methyl-2,6,7,8,9,10,11,12,14,15,16,17-Dodecahydro-1H-Cyclopenta[A]Phenanthren-3-One
CAS No.	3643-00-3
Molecular Formula	C20H30O2
Molecular Weight	302.45 g/mol
Synonyms	3-Oxoandrost-4-en-17β-ol; 17β-Hydroxyandrost-4-en-3-one; Androst-4-ene-3,17-diol (3-oxo,17β); 4-Androstene-3,17-dione (hydrogenated derivative); Testosterone intermediate; Dihydrotestosterone precursor; Steroid nucleus derivative; 17β-Hydroxy-4-androsten-3-one
EINECS	Contact for details

Quality Control

Our (8S,9S,10R,13R,14S,17S)-17-(1-Hydroxyethyl)-13-Methyl-2,6,7,8,9,10,11,12,14,15,16,17-Dodecahydro-1H-Cyclopenta[A]Phenanthren-3-One is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral analysis to confirm stereochemical integrity, ensuring compliance with research-grade standards. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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