| Organic solvent | Half-life (days) | Remaining activity (%) after 60 days |
| None | 5 | 27 ± 0.73 |
| DMSO | >28 | 100 ± 0.8 |
| Methanol | 4 | 62.8 ± 1.9 |
| Diethyl ether | 20 | 34 ± 0.24 |
| DMF | 17 | 25.7 ± 0.78 |
| Hexane | 3 | 0 |
| Acetone | 7 | 0 |
| Isopropanol | 3 | 0 |