Description

(22E)-5α-Ergosta-7,14,22-Trien-3β-Ol CAS NO 516-87-0 is a high-purity sterol derivative, a key intermediate in the synthesis of vitamin D analogs and other bioactive compounds. Its defined stereochemistry and conjugated triene system make it a valuable building block for pharmaceutical research and fine chemical manufacturing. This compound is essential for R&D laboratories and production facilities specializing in steroid chemistry, nutraceuticals, and advanced material science.

Application

• Pharmaceutical Intermediate: Critical precursor in the synthesis of vitamin D2 (ergocalciferol) and its synthetic analogs for medicinal applications.
• Biochemical Research: Used as a standard or reference compound in studies of sterol metabolism, membrane biology, and signaling pathways.
• Nutraceutical Synthesis: Serves as a starting material for the production of high-value dietary supplements and fortified food ingredients.
• Fine Chemical Manufacturing: A key chiral building block for the synthesis of complex organic molecules with specific biological activity.
• Academic & Industrial R&D: Employed in discovery chemistry for developing new therapeutic agents and studying structure-activity relationships (SAR).
• Material Science: Investigated for potential use in the development of liquid crystals and other advanced organic materials due to its rigid, planar structure.

Basic Information

Product Name	(22E)-5α-Ergosta-7,14,22-Trien-3β-Ol
CAS No.	516-87-0
Molecular Formula	C₂₈H₄₄O
Molecular Weight	396.65 g/mol
Synonyms	Ergosta-5,7,14,22-tetraen-3β-ol; (22E)-Ergosta-5,7,14,22-tetraen-3β-ol; 5,7,14,22-Ergostatetraen-3β-ol; Provitamin D2; 5,7,14,22-Ergostatetraene-3β-ol; Dehydroergosterol precursor; Sterol S4
EINECS	208-234-3

Quality Control

Every batch of (22E)-5α-Ergosta-7,14,22-Trien-3β-Ol is produced and tested under strict quality management systems. We ensure compliance with relevant industry standards for fine chemicals and pharmaceutical intermediates. Comprehensive analytical testing, including HPLC for purity and identity confirmation, is performed. Certificates of Analysis (COA) detailing all specifications and test results are provided with each shipment and are available upon request.

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 minimize oxidation and degradation. Keep the container in a cool, dry, and well-ventilated area, away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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