| Product Name: | FM-479 |
| Catalog Number: | M11227 |
| CAS Number: | 2226521-64-6 |
| Formula: | C25H26N6O2 |
| Molecular Weight: | 442.51 |
| Storage: |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Chemical Structure: | ![]() |
| Description: | Fm-479 was a negative control of FM-381 and showed no activity against JAK3 or other kinases. Fm-381 is a potent covalent reversible inhibitor of JAK3 targeting unique Cys909. For JAK3, FM-381 was 410, 2700 and 3600 times more selective than JAK1, JAK2 and TYK2 with IC50 of 127 pM. |
| 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. |