| Description | KS I is a gonadotropin antagonist and is a cyclolignan isolated from extracts of Lycopus and Lithosperum after oxidation with caffeic acid. |
| molecular weight | 358.3 |
| Molecular formula | C18H14O8 |
| CAS | 130752-21-5 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |