Reference Standard
| CAS Number | Not assigned |
| Formula | As per EP monograph |
| Molecular Weight | ~840–880 g/mol |
| Purity | EP reference standard |
| Storage | 2–8 °C; protect from light and air |
A defined EP impurity of ubidecarenone, representing a related quinone species.
Used in EP impurity testing and stability-indicating method development.
HPLC/UPLC per EP, LC-MS confirmation.