Carmofur is a pyrimidine analog that is a prodrug of 5-fluorouracil (5-FU), which inhibits DNA Synthesis and has better antiproliferative activity than 5-FU. Carmofur is an inhibitor of Acidic Ceramidase (ASAH1) and a potential lead compound for non-cancer diseases such as Krabbe disease, acute lung injury (ALI), Parkinson's disease (PD), dementia, etc. Carmofur also has antifungal and antimicrobial properties.
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Carmofur purchased from AbMole
| Molecular Weight | 257.26 |
| Formula | C11H16FN3O3 |
| CAS Number | 61422-45-5 |
| Solubility (25°C) | DMSO 40 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.
[3] Alexey Dementiev, et al. Molecular Mechanism of Inhibition of Acid Ceramidase by Carmofur
[4] S Matsumoto, et al. Carmofur-induced leukoencephalopathy: MRI
[5] S Kuzuhara, et al. Subacute leucoencephalopathy induced by carmofur, a 5-fluorouracil derivative
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