Description

(22E)-5α-Ergosta-7,9(11),22-Trien-3β-Ol CAS NO 516-84-7 is a high-purity sterol derivative, a key intermediate in the synthesis of vitamin D analogs and other bioactive compounds. Its defined stereochemistry and purity are critical for ensuring consistent results in pharmaceutical research and development. This compound is essential for manufacturers and research institutions focused on steroid chemistry, nutraceuticals, and advanced material science.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of vitamin D2 (ergocalciferol) and its derivatives.
• Steroid Research: Used as a reference standard and starting material in academic and industrial research on sterol biosynthesis and metabolism.
• Nutraceutical Synthesis: Serves as a precursor in the production of specialized dietary supplements and functional food ingredients.
• Biochemical Studies: Employed in studies investigating membrane fluidity and the role of sterols in cellular processes.
• Fine Chemical Production: Utilized in the multi-step synthesis of complex organic molecules for various high-value applications.

Basic Information

Product Name	(22E)-5α-Ergosta-7,9(11),22-Trien-3β-Ol
CAS No.	516-84-7
Molecular Formula	C₂₈H₄₄O
Molecular Weight	396.65 g/mol
Synonyms	Ergosta-7,9(11),22-trien-3-ol, (3β,22E)-; 5α-Ergosta-7,9(11),22-trien-3β-ol; Provitamin D2; (22E)-Ergosta-7,9(11),22-trien-3β-ol; 7-Dehydroprovitamin D2; (3β,22E)-Ergosta-7,9(11),22-trien-3-ol; Ergosterol precursor
EINECS	208-235-4

Quality Control

Our (22E)-5α-Ergosta-7,9(11),22-Trien-3β-Ol is manufactured under strict quality management systems. Each batch is analyzed using advanced techniques including HPLC, GC, and NMR 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 compliance 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). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed in a dry environment away from direct light exposure to maintain stability and purity.

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%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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