| Product nomen | Protocatechuldehyde |
| Synonyma | 3,4-Dihydroxybenzaldehyde;Protocatechuic aldehyde;Rancinamycin IV |
| Puritas | 98% + by HPLC |
| Aspectus | Off-alba pulveris |
| Familiae chemica | Phenols |
| CANONICI SMILES： | OC1C=C(C=O)C=CC=1O |
| Botanical Source： | heartwood of Cassianus garrettiana |
