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PZ0016

Dofetilide

≥98% (HPLC), powder, hERG channel blocker

Synonym(s):

N-[4-[2-[Methyl[2-[4-[(methylsulfonyl)amino]phenoxy]ethyl]amino]ethyl]phenyl]methanesulfonamide, UK-68798

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About This Item

Empirical Formula (Hill Notation):
C19H27N3O5S2
CAS Number:
115256-11-6
Molecular Weight:
441.56
UNSPSC Code:
12352200
PubChem Substance ID:
329823685
NACRES:
NA.77
MDL number:
MFCD00869707
Assay:
≥98% (HPLC)
Form:
powder
Quality level:
100
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Product Name

Dofetilide, ≥98% (HPLC)

Quality Level

100

assay

≥98% (HPLC)

form

powder

color

white to off-white

solubility

DMSO: >20 mg/mL

storage temp.

room temp

SMILES string

CN(CCOc1ccc(NS(C)(=O)=O)cc1)CCc2ccc(NS(C)(=O)=O)cc2

InChI

1S/C19H27N3O5S2/c1-22(13-12-16-4-6-17(7-5-16)20-28(2,23)24)14-15-27-19-10-8-18(9-11-19)21-29(3,25)26/h4-11,20-21H,12-15H2,1-3H3

InChI key

IXTMWRCNAAVVAI-UHFFFAOYSA-N

Gene Information

human ... KCNH2(3757)

Biochem/physiol Actions

Dofetilide is a Class III antiarrhythmic and hERG channel blocker. Dofetilide selectively blocks the rapid component of the delayed rectifier outward potassium current (IKr).

Features and Benefits

This compound is featured on the Potassium Channels page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

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pictograms

Health hazardEnvironment
GHS08,GHS09

signalword

Danger

Hazard Classifications

Aquatic Chronic 2 - Repr. 1B - STOT RE 2

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000344485
0000344485
0000129095
0000183092
0000183092

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Zhiyi Yu et al.
Toxicology and applied pharmacology, 274(1), 78-86 (2013-11-10)
Drugs that block the cardiac K(+) channel encoded by the human ether-à-go-go gene (hERG) have been associated with QT interval prolongation leading to proarrhythmia, and in some cases, sudden cardiac death. Because of special structural features of the hERG K(+)
R Al-Dashti et al.
The Canadian journal of cardiology, 17(1), 63-67 (2001-02-15)
Dofetilide is a new, pure class III antiarrhythmic agent that prolongs the refractory period and action potential duration without having beta-blocking or calcium channel-blocking properties, making it unique among established class III agents. Dofetilide is effective in converting atrial and
C Torp-Pedersen et al.
Expert opinion on investigational drugs, 9(11), 2695-2704 (2000-11-04)
Dofetilide is a class III anti-arrhythmic drug that has been approved for the treatment of atrial fibrillation. Two clinical studies, which enrolled 996 patients, demonstrated pharmacological conversion to sinus rhythm to occur in 30% of patients. Following pharmacological or electrical
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