7-Dehydrocholesterol CAS 434-16-2

What is 7-Dehydrocholesterol CAS 434-16-2？

7-Dehydrocholesterol plate-like crystals (methanol aqueous solution/ether), melting point 150-151 ℃ (anhydrous), [α] 20/D-113.6 ° (chloroform), easily oxidized when exposed to air. 7-dehydrocholesterol is a pharmaceutical intermediate synthesized by the saponification reaction of 7-dehydrocholesterol, which is isolated and extracted from pig skin and can also be obtained by acylation, oxidation, hydrazone formation, dehydrozone formation, and saponification of cholesterol.

Specification

Application

7-Dehydrocholesterol is a pharmaceutical intermediate synthesized by separating and extracting pig skin, and can also be saponified and complexed with lanolin to obtain cholesterol, which is then acylated, oxidized, hydranized, dehydrogenated, and saponified. 7-dehydrocholesterol is an important intermediate for the synthesis of vitamin D3 and an additive in skincare, sunscreen, and cosmetics

Packaging

Usually packed in 25kg/drum,50kg/drum,and also can be do customized package

Synonyms

Dehydrocholesterin; Dehydrocholesterol; delta(sup5,7)-cholesterol; delta(sup7)-cholesterol; DELTA5,7-Cholestadien-3beta-ol; delta5,7-Cholesterol; 5,7-Cholestandien-3.beta.-ol; 5,7-Cholestandien-3beta-ol