SR 59230A is a β3-adrenoceptor antagonist. It has high affinity for the β3 adrenoceptors occurring in human gut that affect the function of human colonic circular smooth muscle.1 It is reported that SR 59230A inhibits the Kir2.1-2.3 cardiac potassium channels.2
| Molecular Weight | 415.48 |
| Formula | C21H27NO2 · C2H2O4 |
| CAS Number | 174689-39-5 |
| Form | Solid |
| Solubility (25°C) | DMSO: ≥10 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.
[1] Jia-Ni Jing, et al. SR 59230A on the expression of MicroRNAs in myocardium of heart failure rats
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