pharmaceutical
material
intermediate
Ergosterol
CAS : 57-87-4
formula : C28H44O
molecular weight : 396.65
boiling point : 250 ° C
melting point : 156-158 ° C
Description : lamellae (ethanol) or needle crystallization (ether). 1.5mol containing crystalline water, the melting point of 168 ° C. The boiling point of 250 ° C / 1.4Pa. [Alpha] 20/D-135 ° ( ", chloroform).
Production methods : synthesis by glucose from the goods yeast extract.
Usage: production of vitamin D2 precursors, as well as the production of hormone-like drug intermediates, can be used to produce cortisone.