IUPAC name 2-(3,4,5-trihydroxyphenyl)chromene-3,5,7-triol chloride CAS number 528-53-0 Other names Delphinidin Purity Above 97% HPLC Chemical formula C15H11ClO7 Mw 338,7 g/molDelphinidin is a hydrolysis product from bilberries and other fruits and flowers