Category:
Vitamin
CAS NO:
22145-68-2
Standard:
In-house Standards,
Product Name: cholesta-5,7-diene-3β,25-diol
CAS No.: 22145-68-2
Quality Standard: Enterprise standard, content NLT 95%
Main Application: Impurity of Calcifediol API
Cholesta-5,7-diene-3β,25-diol is a key vitamin D3 biosynthetic intermediate. Synthesized via photo-isomerization of 7-dehydrocholesterol derivatives, its molecular formula is C27H44O2 (CAS No. 10051-68-2).
Store under inert atmosphere at -20°C to prevent oxidation. Handle with PPE; avoid direct exposure during synthesis due to potential skin sensitization and photodegradation risks.