Description

(24S)-Ergosta-5,22(E)-Dien-3Beta-Ol CAS NO 17472-78-5 is a high-purity sterol derivative, specifically a 24S-stereoisomer of ergostadienol, valued for its role as a critical intermediate and reference standard in advanced research and synthesis. Its defined stereochemistry and structure make it essential for studying sterol biosynthesis, membrane function, and as a precursor for more complex bioactive molecules. This compound is primarily needed by pharmaceutical R&D laboratories, biotechnology companies, and academic institutions focused on lipid chemistry, drug discovery, and the development of novel therapeutic agents.

Application

• Pharmaceutical Research & Development: Serves as a key chiral intermediate in the synthesis of novel steroid-based therapeutics and investigational drugs.
• Biochemical Reference Standard: Used as a high-purity analytical standard for the identification and quantification of sterols in complex biological matrices via HPLC, GC-MS, or LC-MS.
• Lipidomics and Metabolomics Studies: Employed in research to understand sterol metabolism, membrane biophysics, and cellular signaling pathways.
• Academic & Industrial Research: A vital tool for chemists and biologists studying enzyme mechanisms (e.g., sterol methyltransferase activity) and structure-activity relationships (SAR).
• Precursor for Specialty Chemicals: Utilized in the custom synthesis of labeled compounds (e.g., deuterated or 13C-labeled sterols) for tracer studies.
• Nutritional Supplement Research: Investigated for its potential bioactivity and metabolic effects as a component of plant and fungal extracts.

Basic Information

Product Name	(24S)-Ergosta-5,22(E)-Dien-3Beta-Ol
CAS No.	17472-78-5
Molecular Formula	C₂₈H₄₆O
Molecular Weight	398.67 g/mol
Synonyms	(24S)-Ergosta-5,22-dien-3β-ol; (24S)-5,22-Ergostadien-3β-ol; 24S-Ergostadienol; 24S-Ergosta-5,22-dien-3-ol; (3β,24S)-Ergosta-5,22-dien-3-ol; 24-Epiergosterol; 24S-Epiergosterol; (24S)-δ5,22-Ergostadien-3β-ol
EINECS	Contact for details

Quality Control

Every batch of (24S)-Ergosta-5,22(E)-Dien-3Beta-Ol is produced and controlled under a strict quality management system. Our products undergo rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity, correct stereochemistry, and compliance with research-grade specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee traceability and batch-to-batch consistency for your critical research applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and ensure long-term stability. The container should be kept in a cool, dry, and well-ventilated area away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Specific Rotation	Contact for details
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.