Quinine is a potassium channel inhibitor that inhibits WT mouse Slo3 (KCa5.1) channel currents evoked by voltage pulses to +100 mV with an IC50 of 169 μM.
Molecular Weight | 324.42 |
Formula | C20H24N2O2 |
CAS Number | 130-95-0 |
Form | Solid |
Solubility (25°C) | DMSO ≥ 100 mg/mL |
Storage | 4°C, protect from light, sealed |
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.
[1] Francesco Trenti, et al. Org Lett. Early and Late Steps of Quinine Biosynthesis
[2] Mariusz Kluska, et al. Crit Rev Anal Chem. Analytics of Quinine and its Derivatives
[5] D N Bateman, et al. Adverse Drug React Acute Poisoning Rev. Quinine toxicity
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