Description

(5R,8R,9R,10S,13S,14S)-13-Methyldodecahydro-1H-Cyclopenta[A]Phenanthrene-3,17(2H,4H)-Dione is a high-purity, stereochemically defined steroid derivative used as a critical intermediate in advanced organic synthesis. This compound is valued for its precise molecular architecture, which serves as a foundational scaffold for the development of novel pharmaceutical actives and fine chemicals. It is essential for research and production in steroid chemistry, pharmaceutical development, and specialized organic synthesis requiring high stereochemical fidelity.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of novel steroid-based therapeutics and active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial R&D for studying steroid receptor interactions and metabolic pathways.
• Fine Chemical Synthesis: Serves as a precursor in the multi-step synthesis of complex organic molecules for agrochemical and material science applications.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and compound identification via HPLC or GC-MS.

Basic Information

Product Name	(5R,8R,9R,10S,13S,14S)-13-Methyldodecahydro-1H-Cyclopenta[A]Phenanthrene-3,17(2H,4H)-Dione
CAS No.	59462-43-0
Molecular Formula	C18H28O2
Molecular Weight	276.41 g/mol
Synonyms	13-Methylandrostane-3,17-dione; 13-Methylgonane-3,17-dione; (5R,8R,9R,10S,13S,14S)-13-Methylhexadecahydrocyclopenta[a]phenanthrene-3,17-dione; 13-Methyl-5α-androstane-3,17-dione; 13-Methyl-5α-gonane-3,17-dione; 13-Methyldihydrotestosterone dione precursor
EINECS	Contact for details

Quality Control

Our (5R,8R,9R,10S,13S,14S)-13-Methyldodecahydro-1H-Cyclopenta[A]Phenanthrene-3,17(2H,4H)-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for synthetic applications. A Certificate of Analysis (COA) detailing identity, purity, and specific impurities is provided with every shipment.

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, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity	≥ 99.0% de
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.