Scientific information on chemical compounds included in crude drugs
Alantolactone

Molecular formula C15H20O2
Average molecular mass
(Molecular weight)
232.32
Exact molecular mass 232.14633 
[M+H]+ 233.154 
[M-H]- 231.139 
CAS  
NIKKAJI  
PUBCHEM No. 72724
Crude drug Inula Root,Saussurea Root
IUPAC_NAME (3aR,5S,8aR,9aR)-5,8a-dimethyl-3-methylidene-5,6,7,8,9,9a-hexahydro-3aH-benzo[f][1]benzofuran-2-one
Remarks InChIKey (PubChem): PXOYOCNNSUAQNS-AGNJHWRGSA-N