| Product name： | Caffeic acid |
| Synonym： | 3,4-Dihydroxycinnamic acid |
| Purity： | 98% + by HPLC |
| Appearance： | White powder |
| Chemical Family： | Phenolic Acid |
| Canonical SMILES： | OC(=O)/C=C/c1cc(O)c(O)cc1 |
| Botanical Source： | leaves Cichorium intybus, Onychium japonicum and Echinacea purpurea. Also found in the marine aquatic plant Posidonia oceanica |