| Description | Piritrexim isethionate is a lipid-soluble inhibitor of dihydrofolate reductase (DHFR) that appears to be an active agent in patients with metastatic urothelial cancer when administered as a 5-day, low-dose oral schedule. |
| molecular weight | 451.49 |
| Molecular formula | C19H25N5O6S |
| CAS | 79483-69-5 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |