| Product name： | Rubiadin |
| Synonym： | 2-Methylxanthopurpurin; 2-Methylpurpuroxanthin |
| Purity： | 98% + by HPLC |
| Appearance： | |
| Chemical Family： | |
| Canonical SMILES： | CC1=C(O)C2=C(C=C1O)C(=O)C1C=CC=CC=1C2=O |
| Botanical Source： | Rubia tinctorum, Coprosma spp., Galium spp., aerial parts of Putoria calabrica, stem of Morinda lucida, wood of Plocama pendula, roots of Cassia multijuga etc. |