Floxuridine (5-fluorouracil 2'-deoxyriboside) is a pyrimidine analogue that is also an antitumor metabolite of oncology. Floxuridine inhibits the Poly(ADP-Ribose) polymerase and induces DNA damage in vitro by activating ATM and ATR checkpoint signaling pathways. Floxuridine is an effective inhibitor of Staphylococcus aureus infection and can induce apoptosis. Floxuridine is resistant to HSV and CMV viruses.
| Molecular Weight | 246.19 |
| Formula | C9H11FN2O5 |
| CAS Number | 50-91-9 |
| Solubility (25°C) | DMSO 100 mg/mL Water ≥ 30 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
| Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
| Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
| Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
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