Synonym(s): ( R )- O -(3,4-Dihydroxycinnamoyl)-3-(3,4- dihydroxyphenyl)lactic acid; 3,4-Dihydroxycinnamic acid ( R )-1-carboxy-2-(3,4-dihydroxyphenyl)ethyl ester Formula: C18H16O8 Formula Weight: 360.31 CAS No.: 20283-92-5 Purity: 96% Packaging: 5 g in glass bottle