Scientific information on chemical compounds included in crude drugs
Formononetin

Molecular formula C16H12O4
Average molecular mass
(Molecular weight)
268.26
Exact molecular mass 268.073559 
[M+H]+ 269.081 
[M-H]- 267.066 
CAS  
NIKKAJI  
PUBCHEM No. 5280378
Crude drug Astragalus Root,Glycyrrhiza
IUPAC_NAME 7-hydroxy-3-(4-methoxyphenyl)chromen-4-one
Remarks InChIKey (PubChem): HKQYGTCOTHHOMP-UHFFFAOYSA-N