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Postion:Product Catalog >API>Circulatory system drugs>Antiarrhythmics Drugs>Dofetilide
Dofetilide
  • Dofetilide

Dofetilide NEW

Price $48 $63 $116
Package 5mg 10mg 25mg
Supply Ability: 10g
Update Time: 2026-06-02

Product Details

Product Name: Dofetilide CAS No.: 115256-11-6
Purity: 97.85% Supply Ability: 10g
Release date: 2026/06/02

Product Introduction

Bioactivity

NameDofetilide
DescriptionDofetilide (UK 68789) is a sulfonamide class III antiarrhythmic agent and potassium channel blocker. Dofetilide selectively blocks cardiac ion channels of the rapid component of the delayed rectifier potassium current Ikr. This antiarrhythmic agent prolongs cardiac action potential duration and effective refractory period due to delayed repolarization without affecting conduction velocity. This results in a normal sinus rhythm. Dofetilide is used in the treatment of atrial fibrillation and flutter.
In vitroDofetilide blocks HERG currents in excised macro patches of Xenopus oocytes. [1] Dofetilide (1 μM) reduces the amplitude of IKr to 61% of control currents in guinea pig cardiomyocytes, as measured by 200-ms test pulses and analysis of the deactivating tail currents of IKr. [2] Dofetilide increases apico-basal disparity of repolarization, due to a more marked increase of ERPs in the apex than in the base in the intact canine heart. [3]
In vivoDofetilide (100 mg/kg, i.v.) does not suppress automaticity arrhythmias induced by two-stage coronary ligation and epinephrine or the coronary ligation and reperfusion arrhythmias, but suppresses the reentry arrhythmia induced by PES in dogs with old myocardial infarction (MI). Dofetilide also shows antiarrhythmic effect in some dogs with digitalis arrhythmia. Dofetilide increases QT interval and shows negative chronotropic effect like that of other class III drugs, but is different in antiarrhythmic profiles from those of other class III agents such as D-sotalol, E-4031, and MS-551 in that it does not prevent the occurrence of ventricular fibrillation (VF) immediately after coronary reperfusion and has some antiarrhythmic effects on digitalis arrhythmia. [4] Dofetilide causes increased resorptions and the same stage-dependent malformations in Sprague-Dawley rats. [5]
StoragePowder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature.
Solubility InformationDMSO : 250 mg/mL (566.17 mM), Sonication is recommended.
10% DMSO+90% Saline : < 25 mg/mL (56.62 mM), Lower concentrations may be soluble, but exact solubility limit is unknown.
10% DMSO+40% PEG300+5% Tween 80+45% Saline : 25 mg/mL (56.62 mM), Suspension.
KeywordsUK68798 | UK-68789 | UK68789 | UK 68798 | specific | potent | PotassiumChannel | Potassium Channel | orally | KcsA | Inhibitor | inhibit | III | Dofetilide | class | cardiovascular | antiarrhythmic | agent
Inhibitors RelatedMinoxidil sulfate | Uridine 5'-monophosphate disodium salt | Tannic acid | Hydrochlorothiazide | 1,8-Cineole | Tetraethylammonium bromide | Ursodeoxycholic acid | Chenodeoxycholic acid | Minoxidil | 2,2,2-Trichloroethanol | Chlorzoxazone | Indapamide
Related Compound LibrariesBioactive Compound Library | Pain-Related Compound Library | Membrane Protein-targeted Compound Library | EMA Approved Drug Library | Anti-Cancer Clinical Compound Library | Drug Repurposing Compound Library | Inhibitor Library | FDA-Approved Drug Library | Anti-Cancer Approved Drug Library | Bioactive Compounds Library Max | Ion Channel Targeted Library | Anti-Cancer Drug Library

Company Profile Introduction

Target Molecule Corp. (TargetMol) is a global high-tech enterprise, headquartered in Boston, MA, specializing in chemical and biological research product and service to meet the research needs of global customers. TargetMol has evolved into one of the biggest global compound library and small molecule suppliers and a customer based on 40+ countries. TargetMol offers over 80 types of compound libraries and a wide range of high-quality research chemicals including inhibitors, activator, natural compounds, peptides, inhibitory antibodies, and novel life-science kits, for laboratory and scientific use. Besides, virtual screening service is also available for customers who would like to conduct the computer-aided drug discovery.

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TargetMol Chemicals Inc.

6YR United StatesUnited States
  • Since: 2011-01-07
  • Address: 36 Washington Street, Wellesley Hill, MA
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