Scientific information on chemical compounds included in crude drugs
Demethoxycurcumin

Molecular formula C20H18O5
Average molecular mass
(Molecular weight)
338.4
Exact molecular mass 338.115424 
[M+H]+ 339.123 
[M-H]- 337.108 
CAS 22608-11-3
NIKKAJI J468.369B
PUBCHEM No. 5469424
Crude drug Turmeric
IUPAC_NAME (1E,6E)-1-(4-hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl)hepta-1,6-diene-3,5-dione
Remarks InChIKey (PubChem): HJTVQHVGMGKONQ-LUZURFALSA-N