Scientific information on chemical compounds included in crude drugs
Butylidenephthalide

Molecular formula C12H12O2
Average molecular mass
(Molecular weight)
188.22
Exact molecular mass 188.08373 
[M+H]+ 189.092 
[M-H]- 187.076 
CAS  
NIKKAJI  
PUBCHEM No. 642376
Crude drug Ligusticum Sinense Rhizome
IUPAC_NAME (3Z)-3-butylidene-2-benzofuran-1-one
Remarks InChIKey (PubChem): WMBOCUXXNSOQHM-FLIBITNWSA-N