Description

(22R,24ξ)-Ergost-5-Ene-3β,22,25,28-Tetrol is a specific, high-purity sterol derivative with the CAS registry number 77517-54-5. This compound is valued for its defined stereochemistry and serves as a crucial intermediate in advanced pharmaceutical research and fine chemical synthesis. It is primarily sought by R&D laboratories and manufacturers in the life sciences sector for developing novel therapeutic agents and reference standards.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex steroid-based drugs and bioactive molecules.
• Reference Standard: Used as a high-purity analytical standard in quality control and method development for sterol analysis.
• Biochemical Research: Employed in metabolic pathway studies, enzyme inhibition assays, and receptor binding studies due to its specific structure.
• Fine Chemical Synthesis: Serves as a precursor for the preparation of more specialized sterol derivatives and labeled compounds.
• Nutraceutical R&D: Investigated for potential applications in the development of advanced dietary supplements and functional ingredients.

Basic Information

Product Name	(22R,24ξ)-Ergost-5-Ene-3β,22,25,28-Tetrol
CAS No.	77517-54-5
Molecular Formula	C₂₈H₄₈O₄
Molecular Weight	448.68 g/mol
Synonyms	Ergost-5-ene-3β,22,25,28-tetrol, (22R,24ξ)-; 3β,22,25,28-Tetrahydroxyergost-5-ene; 28-Hydroxy-22,25-didehydroclerosterol; A potential sterol intermediate
EINECS	Contact for details

Quality Control

Our (22R,24ξ)-Ergost-5-Ene-3β,22,25,28-Tetrol is produced under strict quality management protocols. Each batch is characterized and tested using advanced analytical techniques including HPLC, NMR, and MS to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) to prevent oxidation and degradation. Keep the container in a cool, dry, and well-ventilated area.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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