Scientific information on chemical compounds included in crude drugs
Tanshinone I

Molecular formula C18H12O3
Average molecular mass
(Molecular weight)
276.3
Exact molecular mass 276.078644 
[M+H]+ 277.086 
[M-H]- 275.071 
CAS  
NIKKAJI  
PUBCHEM No. 114917
Crude drug Salvia Miltiorrhiza Root
IUPAC_NAME 1,6-dimethylnaphtho[1,2-g][1]benzofuran-10,11-dione
Remarks InChIKey (PubChem): AIGAZQPHXLWMOJ-UHFFFAOYSA-N