Description

(24S)-Ethylcholest-5,22-Diene is a high-purity, synthetic steroidal intermediate of significant interest in advanced organic synthesis. This compound matters as a versatile chiral building block for the research and development of novel bioactive molecules and pharmaceuticals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, biotechnology, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key chiral precursor in the synthesis of novel steroid-based therapeutics and hormone analogs.
• Biochemical Research: Used as a standard or probe in metabolic pathway studies and enzyme interaction research.
• Fine Chemical Synthesis: Serves as a critical building block for the preparation of complex natural products and specialty chemicals.
• Material Science Research: Potential precursor for the development of advanced liquid crystals or functional organic materials.

Basic Information

Item	Details
Product Name	(24S)-Ethylcholest-5,22-Diene
CAS No.	76879-05-5
Molecular Formula	C₂₉H₄₈
Molecular Weight	396.70 g/mol
Synonyms	(24S)-24-Ethylcholesta-5,22-diene; 24S-Ethylcholesta-5,22-diene; 24-Ethylcholesta-5,22-diene (24S-isomer); Stigmasta-5,22-diene; (24S)-Stigmasta-5,22-diene; 24S-Stigmasta-5,22-diene; 5,22-Stigmastadiene (24S-)
EINECS	Contact for details

Quality Control

Our (24S)-Ethylcholest-5,22-Diene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and stereochemical integrity. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Specific Rotation	Contact for details
Loss on Drying	≤ 1.0%

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