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Merck
CN

SML0353

Azimilide dihydrochloride

≥97% (HPLC)

Synonym(s):

1-[[[5-(4-Chlorophenyl)-2-furanyl]methylene]amino]-3-[4-(4-methyl-1-piperazinyl)butyl]-2,4-imidazolidinedione dihydrochloride

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About This Item

Empirical Formula (Hill Notation):
C23H28ClN5O3 · 2HCl
CAS Number:
149888-94-8
Molecular Weight:
530.88
UNSPSC Code:
12352200
PubChem Substance ID:
329825356
NACRES:
NA.77
Assay:
≥97% (HPLC)
Form:
powder
Quality level:
100
Storage condition:
desiccated

Key Documents

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Product Name

Azimilide dihydrochloride, ≥97% (HPLC)

SMILES string

Cl.Cl.CN1CCN(CCCCN2C(=O)CN(\N=C/c3ccc(o3)-c4cccc(Cl)c4)C2=O)CC1

InChI

1S/C23H28ClN5O3.2ClH/c1-26-11-13-27(14-12-26)9-2-3-10-28-22(30)17-29(23(28)31)25-16-20-7-8-21(32-20)18-5-4-6-19(24)15-18;;/h4-8,15-16H,2-3,9-14,17H2,1H3;2*1H/b25-16-;;

InChI key

SUHOTCCGXXEWJN-DSHYBBOZSA-N

assay

≥97% (HPLC)

form

powder

storage condition

desiccated

color

white to beige

solubility

DMSO: 1 mg/mL, clear (warmed)

storage temp.

2-8°C

Quality Level

100

Application

Azimilide dihydrochloride may be used in the electrophysiology experiments with human ether-a-go-go-related gene 1a (HERG1a) subunit.

Biochem/physiol Actions

Azimilide is a Class III antiarrhythmic; blocker of the delayed rectifier cardiac potassium channels; inhibits KV7.1 and KV11.1 potassium channels.
Azimilide is an inhibitor of human ether-a-go-go-related gene (HERG) channel. It displays a decrease in inhibitory effect in acidic pH conditions.
Azimilide is an investigational class III anti-arrhythmic drug that blocks fast and slow components of the delayed rectifier cardiac potassium channels. It inhibits KV7.1 and KV11.1 potassium channels. Azimilide′s block of K+ currents is relatively selective for IKr over IKs: It potently blocks the rapidly activating component of the delayed rectifier, IKr (IC50 0.4 mM), and inhibits IKs (IC50 3 mM) with nearly 10-fold less potency. At 10 mM, it does not block the inward rectifier K+ current. It blocks (10 mM) the L-type Ca2+ current (ICa) in a use-dependent manner.

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.

pictograms

Skull and crossbones
GHS06

signalword

Danger

hcodes

H301

Hazard Classifications

Acute Tox. 3 Oral

Storage Class

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

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000409436
0000409436
0000248322
0000248322
0000129751

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De-Li Dong et al.
Basic & clinical pharmacology & toxicology, 94(5), 209-212 (2004-05-06)
Acidosis is one of the important deleterious factors during myocardial ischaemia and reperfusion. The ether-a-go-go-related gene, HERG, is a primary target for blockade by many drugs including dofetilide, quinidine and azimilide. While most drugs lose their efficacy against arrhythmias associated
Kazuharu Furutani et al.
Biochemical and biophysical research communications, 415(1), 141-146 (2011-10-25)
Nifekalant and azimilide, Class III antiarrhythmic agents, block the human ether-à-go-go-related gene K(+) (hERG) channel. However, when a depolarizing membrane potential is applied, they also increase the current at low potentials by shifting its activation curve towards hyperpolarizing voltages. This
Paul Dorian et al.
Journal of the American College of Cardiology, 52(13), 1076-1083 (2008-10-14)
The goal of this study was to determine whether azimilide, as compared with placebo, will reduce the number of emergency department (ED) visits and hospitalizations caused by arrhythmias or cardiac events in patients with an implantable cardioverter-defibrillator (ICD). Patients with
Emily Conway et al.
The American journal of cardiology, 102(6A), 12H-19H (2008-10-22)
Pharmacologic antiarrhythmic therapy is the most commonly used treatment in most patients with atrial fibrillation (AF), but currently available agents are limited by risks that may offset the benefits of sinus rhythm. The development of antiarrhythmic agents with the potential
Stefan H Hohnloser et al.
European heart journal, 27(24), 3027-3032 (2006-10-20)
The purpose of this study was to assess the incidence, features, and clinical sequelae of 'electrical storm' (ES). This study is a prospectively designed secondary analysis of SHIELD; a randomized trial of azimilide for suppression of ventricular tachycardia/fibrillation (VT/VF) leading
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