Description

(20S,24R)-24-Ethyldiacholest-13(17)-Ene CAS NO 57819-19-9 is a high-purity, synthetic steroidal intermediate characterized by its specific (20S,24R) stereochemistry and a double bond at the 13(17)-position. This compound is of significant value for its role as a versatile building block in advanced organic synthesis and pharmaceutical research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, biotechnology, and fine chemical industries for the development of novel therapeutic agents and complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of novel steroid-based drugs and bioactive molecules.
• Research & Development: Used in academic and industrial laboratories for studying steroid receptor interactions and metabolic pathways.
• Fine Chemical Synthesis: Serves as a sophisticated starting material for creating complex, high-value specialty chemicals.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and compound identification.
• Process Chemistry: Utilized in route scouting and optimization for the scalable production of target steroidal compounds.

Basic Information

Item	Detail
Product Name	(20S,24R)-24-Ethyldiacholest-13(17)-Ene
CAS No.	57819-19-9
Molecular Formula	C₂₉H₄₈
Molecular Weight	396.70 g/mol
Synonyms	24-Ethyldiacholest-13(17)-ene, (20S,24R)-; (20S,24R)-24-Ethyl-13(17)-ene-diacholestane; 24-Ethyl-13(17)-cholestadiene; Steroid intermediate 57819-19-9; (20S,24R)-24-Ethylcholesta-13(17)-diene; 24-Ethyldiacholest-13-ene; 24-Ethyl-13(17)-diene steroid
EINECS	Contact for details

Quality Control

Our (20S,24R)-24-Ethyldiacholest-13(17)-Ene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing specific results are available upon request to support your quality and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Specific Rotation	Contact for details
Residual Solvents (GC)	Complies with ICH guidelines

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