| Bioactivity | Sematilide (CK-1752) is a selective IKr channel blocker. Sematilide causes a concentration-dependent inhibition of the delayed rectifier K+ current (IC50=25 μM). Sematilide is a class III antiarrhythmic agent[1]. |
| Target | IC50: 25 μM (K+ current) |
| Invitro | Application of 10, 30, 100 and 300 μM Sematilide causes a concentration-dependent inhibition of the delayed rectifier K+ current (IC50=25 μM)[1]. |
| In Vivo | Sematilide (0.3-1.0 mg/kg, intravenously i.v.) is effective in a canine model of arrhythmia[2]. Animal Model: |
| Name | Sematilide |
| CAS | 101526-83-4 |
| Formula | C14H23N3O3S |
| Molar Mass | 313.42 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
| Reference | [1]. Ishii Y, et al. Effects of Sematilide, a novel class III antiarrhythmic agent, on membrane currents in rabbit atrial myocytes. Eur J Pharmacol. 1997 Jul 23;331(2-3):295-302. [2]. Stanley S. Greenberg, et al. Pharmacology of Sematilide, a non-quaternary class III antiarrhythmic agent. |
Sematilide
CAS: 101526-83-4 F: C14H23N3O3S W: 313.42
Sematilide (CK-1752) is a selective IKr channel blocker. Sematilide causes a concentration-dependent inhibition of the d
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