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Safety Information

M9125

Sigma-Aldrich

Methapyrilene hydrochloride

Synonym(s):

N,N-Dimethyl-N′-(2-pyridinyl)-N′-(2-thienylmethyl)-1,2-ethanediamine hydrochloride

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About This Item

Empirical Formula (Hill Notation):
C14H19N3S · HCl
CAS Number:
Molecular Weight:
297.85
EC Number:
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:

SMILES string

Cl.CN(C)CCN(Cc1cccs1)c2ccccn2

Gene Information

human ... HRH1(3269)

Biochem/physiol Actions

H1 histamine receptor antagonist. Potent liver carcinogen in rats.

Other Notes

Supplied only to established institutions. Telephone orders not accepted.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 3 Oral

Storage Class Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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S Noguchi et al.
Physiology & behavior, 51(6), 1123-1127 (1992-06-01)
The effects of antidepressants [(+)-oxaprotiline, (-)-oxaprotiline, imipramine, maprotiline, and trazodone] and antihistamines (mepyramine, dimethindene, ketotifen, methapyrilene, and antazoline) on muricidal behaviour in olfactory bulbectomized rats were investigated. All drugs except for dimethindene, which only minimally passes across the blood-brain barrier
G S Ratra et al.
Toxicological sciences : an official journal of the Society of Toxicology, 46(1), 185-196 (1999-02-03)
The mechanisms by which the antihistamine drug methapyrilene causes acute periportal hepatotoxicity in rats are not yet elucidated. This study investigated the effects of modulators of cytochrome P450 (CYP) activity on the hepatotoxicity of methapyrilene and also the effect of
H K Lee et al.
Mutation research, 341(2), 77-82 (1994-12-01)
The antihistaminic agent methapyrilene hydrochloride (MPH, CAS No. 135-23-9) has been reported as a potent rat hepatocarcinogen. However, neither the action mechanism nor mutagenicity of MPH have been clearly elucidated yet. Chromosomal aberration (CA) tests were performed with MPH in
Michael Römer et al.
PloS one, 9(5), e97640-e97640 (2014-05-17)
In the area of omics profiling in toxicology, i.e. toxicogenomics, characteristic molecular profiles have previously been incorporated into prediction models for early assessment of a carcinogenic potential and mechanism-based classification of compounds. Traditionally, the biomarker signatures used for model construction
Yoko Nishimura et al.
Journal of applied toxicology : JAT, 35(2), 173-180 (2014-08-06)
Cardiotoxicity is one of the major safety concerns in drug development. Therefore, detecting and monitoring cardiotoxicity throughout preclinical and clinical studies is important for pharmaceutical companies. The present study was conducted in order to explore a plasma miRNA biomarker for

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