RPR-260243
更新时间：2025-09-23 14:06:48
采购访问：13次
| 常用名 | RPR-260243 | CAS号 | 668463-35-2 |
|---|---|---|---|
| 价格 | 纯度 | 98.0% | |
| 备货期 | 10天 | 库存 | 现货 |
| 产品详情（用途，包装等）
用途： RPR-260243 is a novel activator of HERG; modifies HERG currents inhibited by dofetilide (IC50 = 58 nM); little effect on HERG current amplitude and no significant effects on steady-state activation parameters or on channel inactivation processes.IC50 value: Target: HERG activatorRPR260243 displayed no activator-like effects on other voltage-dependent ion channels, including the closely related erg3 K+ channel. RPR260243 enhanced the delayed rectifier current in guinea pig myocytes but, when administered alone, had little effect on action potential parameters in these cells. However, RPR260243 completely reversed the action potential-prolonging effects of dofetilide in this preparation. Using the Langendorff heart method, we found that 5 μM RPR260243 increased T-wave amplitude, prolonged the PR interval, and shortened the QT interval. We believe RPR260243 represents the first known HERG channel activator and that the drug works primarily by inhibiting channel closure, leading to a persistent HERG channel current upon repolarization. 物理化学性质： CAS号：668463-35-2 常用中文名：RPR-260243 常用英文名：RPR-260243 分子式：C28H25F3N2O4 分子量：510.50400 密度：N/A 沸点：N/A 熔点：N/A 闪点：N/A 储存条件：2-8℃ |
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