Scientific information on chemical compounds included in crude drugs
Ergosterol

Molecular formula C28H44O
Average molecular mass
(Molecular weight)
396.6
Exact molecular mass 396.339216 
[M+H]+ 397.347 
[M-H]- 395.331 
CAS 57-87-4
NIKKAJI J209.317K
PUBCHEM No. 444679
Crude drug Poria Sclerotium,Bombyx Faces,Toad Venom,Mulberry Leaf,Polyporus Sclerotium,Chinese Caterpillar Fungus,Baikisei (temporary)
IUPAC_NAME (3S,9S,10R,13R,14R,17R)-17-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-10,13-dimethyl-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol
Remarks InChIKey (PubChem): DNVPQKQSNYMLRS-APGDWVJJSA-N