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Ibutilide Fumarate Sodium Channel inhibitor

Cat.No.S2118

Ibutilide Fumarate (U-70226E,Corvert Fumarate) is a Class III antiarrhythmic agent that is indicated for acute cardioconversion of atrial fibrillation and atrial flutter of a recent onset to sinus rhythm by induction of slow inward sodium current, which prolongs action potential and refractory period of myocardial cells.
Ibutilide Fumarate Sodium Channel inhibitor Chemical Structure

Chemical Structure

Molecular Weight: 885.23

Quality Control

Chemical Information, Storage & Stability

Molecular Weight 885.23 Formula

(C20H36N2O3S)2.C4H4O4

Storage (From the date of receipt)
CAS No. 122647-32-9 Download SDF Storage of Stock Solutions

Synonyms U-70226E,Corvert Fumarate Smiles CCCCCCCN(CC)CCCC(C1=CC=C(C=C1)NS(=O)(=O)C)O.CCCCCCCN(CC)CCCC(C1=CC=C(C=C1)NS(=O)(=O)C)O.C(=CC(=O)O)C(=O)O

Solubility

In vitro
Batch:

DMSO : 89 mg/mL ( (100.53 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Water : 89 mg/mL

Ethanol : 89 mg/mL

Molarity Calculator

Mass Concentration Volume Molecular Weight

In vivo
Batch:

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

mg/kg g μL

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO % % Tween 80 % ddH2O
%DMSO %

Calculation results:

Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Mechanism of Action

Targets/IC50/Ki
Sodium channel [1]

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2024-05-22)

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT03834883 Active not recruiting
Long QT Syndrome|Abnormalities Drug-Induced
Indiana University|American Heart Association|Purdue University
March 26 2019 Phase 4
NCT01929083 Completed
Prolonged QT Interval in EKG and Sudden Death
Indiana University|American Heart Association
April 2013 Phase 2
NCT00589992 Unknown status
Atrial Fibrillation|Pulmonary Vein Ablation
Ball Memorial Hospital|Abbott Medical Devices
October 2007 Not Applicable

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