Vitamin D series derivatives
Ergosterol
CAS number: 57-87-4
Molecularformula: C28H44O
Molecular weight: 396.65
General property: Colorless acicular or flake crystalsor white crystalline powder. Insoluble in water, easily soluble in benzene andchloroform, soluble in hot ethanol, ether.
Content: Above 92%.
Standard: Conforms to Enterprise standard.
Package: 1Kg/bag, 1Kg~10Kg/carton, inner with aluminum foil vacuumpacking, outer with carton packing, or as specified by customers.
Storage and transportation: Should be stored in a cool condition, independentpackaging and closed to avoid light. It is easilyoxidized yellow by sunlight and air, so it should be used as soon as possibleonce opened.
Retest period:24months
Usage: Ergosterol is one of the steroid compounds. This compoundcan be used in biochemical studies, partly acting as vitamin D2. Ergosterol isan important component of microbial cell membrane. It plays an important rolein ensuring the integrity of cell membrane, the activity of membrane bindingenzyme, membrane fluidity, cell viability and cell material transport.Ergosterol can also be used as an important medical chemical primitive family,used in the production of "cortisone", "hormoneprogesterone" sterol drugs.