| Product Name: | Piritrexim |
| Catalog Number: | M59320 |
| CAS Number: | 72732-56-0 |
| Formula: | C17H19N5O2 |
| Molecular Weight: | 325.37 |
| Form: | Solid |
| Storage: |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Chemical Structure: | ![]() |
| Description: | Piritrexim (BW 301U) is a potent dihydrofolate reductase (DHFR) inhibitor against Pneumocystis carinii and Toxoplasma gondii, with IC50 values of 0.038 and 0.011 μM, respectively. |
| Stability and Solubility Advice: | Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide. We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details. |