Description

(8R,9S,10R,13S,14S,17S)-13-Ethyl-17-Ethynyl-17-Hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-Dodecahydrocyclopenta[A]Phenanthren-3-One is a high-purity steroidal compound with a defined stereochemistry, serving as a critical intermediate in advanced organic synthesis. Its value lies in its precise molecular architecture, which is essential for constructing complex molecules with specific biological activities. This compound is primarily needed by research institutions and pharmaceutical manufacturers engaged in the development of novel therapeutic agents, particularly in the fields of endocrinology and oncology.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel steroid-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or precursor in studies of steroid hormone receptors and metabolic pathways.
• Organic Synthesis: Serves as a chiral starting material for the preparation of more complex, stereochemically defined molecules.
• Academic & R&D Laboratories: Employed in method development and exploratory chemistry for new chemical entities.

Basic Information

Product Name	(8R,9S,10R,13S,14S,17S)-13-Ethyl-17-Ethynyl-17-Hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-Dodecahydrocyclopenta[A]Phenanthren-3-One
CAS No.	8064-50-4
Molecular Formula	C₂₁H₂₈O₂
Molecular Weight	312.45 g/mol
Synonyms	13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one; 17α-Ethynyl-13β-ethyl-17β-hydroxygon-4-en-3-one; Steroid intermediate 8064-50-4; 17-Ethynyl-13-ethyl-17-hydroxygon-4-en-3-one; 13β-Ethyl-17α-ethynyl-17β-hydroxy-4-gonen-3-one
EINECS	Contact for details

Quality Control

Our (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-Ethynyl-17-Hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-Dodecahydrocyclopenta[A]Phenanthren-3-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications and test results are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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