The chemical Demethoxycurcumin has a designated molecular formula of C20H18O5 and a molecular weight of 338.359 g/mol. Synonyms may include: Feruloyl-P-hydroxycinnnamoylmethane, 1-(4-Hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl)-1,6-heptadiene-3,5-dione, UNII-W2F8059T80, Monodemethoxycurcumin, Curcumin II (ChemID).