| Product Name | Tanshinone IIB | 
|---|---|
| CAS | 17397-93-2 | 
| Formula | C19H18O4 | 
| MW | 310.34 | 
| Appearance | White to off-white powder | 
| Storage condition | Store in a dry and dark sealed container, short-term (weeks to months) storage at 0-4 ℃, long-term (months to years) storage at -20 ℃. |