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M2727

Sigma-Aldrich

Mexiletine hydrochloride

≥98% (GC), powder, sodium channel blocker

Synonym(s):

1-(2,6-Dimethylphenoxy)-2-propanamine hydrochloride, 1-(2,6-Xylyloxy)-2-aminopropane hydrochloride

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About This Item

Empirical Formula (Hill Notation):
C11H17NO · HCl
CAS Number:
5370-01-4
Molecular Weight:
215.72
EC Number:
250-825-7
MDL number:
MFCD00216024
UNSPSC Code:
12352200
PubChem Substance ID:
24278542
NACRES:
NA.77

product name

Mexiletine hydrochloride, powder

Assay

≥98% (GC)

form

powder

color

white to off-white

solubility

methanol: 50 mg/mL

originator

Boehringer Ingelheim

storage temp.

2-8°C

SMILES string

Cl[H].CC(N)COc1c(C)cccc1C

InChI

1S/C11H17NO.ClH/c1-8-5-4-6-9(2)11(8)13-7-10(3)12;/h4-6,10H,7,12H2,1-3H3;1H

InChI key

NFEIBWMZVIVJLQ-UHFFFAOYSA-N

Gene Information

human ... SCN10A(6336) , SCN11A(11280) , SCN1A(6323) , SCN2A(6326) , SCN3A(6328) , SCN4A(6329) , SCN5A(6331) , SCN7A(6332) , SCN8A(6334) , SCN9A(6335)

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General description

Mexiletine is a class I B antiarrhythmic and an analog of lidocaine. It has shelf life of 10-12 hours and is metabolized in liver and eliminated post reduction, oxidation deamination or conjugation.

Application

Mexiletine hydrochloride has been used as a sodium channel blocker:
  • expressed in chinese hamster ovary cells
  • in human embryonic kidney (HEK) cells for whole cell patch-clamp studies
  • electrophysiology studies in HEK cells expressing Nav1.7 protein

Biochem/physiol Actions

Mexiletine is a potent sodium channel blocker. It is a cardiac antiarrhythmic and is used as an adjuvant in headache and neuropathic pain Mexiletine is used for treating myotonia in sodium channelopathies and reduces the cardiac action potential depolarization but shows no impact on atrial refractoriness. Its inhibitory effect on sodium channels is effective in treating potassium aggravated myotonia.

Features and Benefits

This compound was developed by Boehringer Ingelheim. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Arnold E Pfahnl et al.
Heart rhythm, 4(1), 46-53 (2007-01-03)
Brugada and long QT type 3 syndromes are linked to sodium channel mutations and clinically cause arrhythmias that lead to sudden death. We have identified a novel threonine-to-isoleucine missense mutation at position 353 (T353I) adjacent to the pore-lining region of
E L Logigian et al.
Neurology, 74(18), 1441-1448 (2010-05-05)
To determine if mexiletine is safe and effective in reducing myotonia in myotonic dystrophy type 1 (DM1). Myotonia is an early, prominent symptom in DM1 and contributes to decreased dexterity, gait instability, difficulty with speech/swallowing, and muscle pain. A few
J F Desaphy et al.
Neuromuscular disorders : NMD, 9(3), 182-189 (1999-06-26)
The sea anemone toxin ATX II impairs skeletal muscle sodium channel inactivation, mimicking the persistent inward current observed in patients suffering from sodium channel myotonia. Mexiletine has beneficial effects on myotonia. To verify the efficiency of the drug on persistent
S Sicouri et al.
Journal of cardiovascular electrophysiology, 8(11), 1280-1290 (1997-12-12)
Recent clinical studies have reported a greater effectiveness of sodium channel block with mexiletine to abbreviate the QT interval in patients with the chromosome 3 variant (SCN5A, LQT3) of the long QT syndrome (LQTS) than those with the chromosome 7
Min-Tzu Wu et al.
PloS one, 8(1), e55212-e55212 (2013-02-06)
Primary erythromelalgia (PE) is an autosomal dominant neurological disorder characterized by severe burning pain and erythema in the extremities upon heat stimuli or exercise. Mutations in human SCN9A gene, encoding the α-subunit of the voltage-gated sodium channel, Na(v)1.7, were found
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