The molecule is an organic betaine obtained by deprotonation of the hydroxy group at the 5 position of pelargonidin 3-O-beta-D-glucoside. It is the major microspecies at pH 7.3. It is a conjugate base of a pelargonidin 3-O-beta-D-glucoside.
5-hydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-7-one