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Key Documents

Y0001181

Orphenadrine for peak identification

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

Orphenadrine hydrochloride, β-Dimethylaminoethyl 2-methylbenzhydryl ether hydrochloride, N,N-Dimethyl-2-(2-methylbenzhydryloxy)ethylamine hydrochloride, o-Methyldiphenhydramine hydrochloride

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About This Item

Empirical Formula (Hill Notation):
C18H23NO · HCl
CAS Number:
Molecular Weight:
305.84
Beilstein:
3745818
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

orphenadrine

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

Cl.CN(C)CCOC(c1ccccc1)c2ccccc2C

InChI

1S/C18H23NO.ClH/c1-15-9-7-8-12-17(15)18(20-14-13-19(2)3)16-10-5-4-6-11-16;/h4-12,18H,13-14H2,1-3H3;1H

InChI key

UQZKYYIKWZOKKD-UHFFFAOYSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Orphenadrine for peak identification EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Biochem/physiol Actions

Muscarinic receptor antagonist; H1 histamine receptor antagonist; muscle relaxant. Orphenadrine has also been reported to inhibit the noradrenergic transporter and to block the NMDA receptor ion channel.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

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


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M Elghazali et al.
Research in veterinary science, 85(3), 563-569 (2008-03-07)
The pharmacokinetics of orphenadrine (ORPH) following a single intravenous (i.v.) dose was investigated in six camels (Camelus dormedarius). Orphenadrine was extracted from the plasma using a simple sensitive liquid-liquid extraction method and determined by gas chromatography/mass spectrometry (GC/MS). Following i.v.
Lawan Sratthaphut et al.
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan, 127(10), 1723-1729 (2007-10-06)
The estimation of paracetamol and orphenadrine citrate in a multicomponent pharmaceutical dosage form by spectrophotometric method has been reported. Because of highly interference in the spectra and the presence of non-linearity caused by the analyte concentrations which deviate from Beer
Mei-juan Xu et al.
Yao xue xue bao = Acta pharmaceutica Sinica, 42(7), 730-734 (2007-09-22)
To study the enzyme kinetics of schizandrin metabolism in different gender in rat liver microsomes, liver microsomes were prepared from male or female rats. Schizandrin was incubated with rat liver microsomes. Schizandrin and its metabolites were isolated and identified by
Mirosław Czuczwar et al.
Pharmacological reports : PR, 61(4), 732-736 (2009-10-10)
Orphenadrine is an anticholinergic drug used in the treatment of Parkinson's disease, and is also known to exert nonspecific antagonistic activity at the phencyclidine binding site of the N-methyl-D-aspartate (NMDA) receptor. The aim of this study was to assess the
P Gareri et al.
Archives of gerontology and geriatrics, 44 Suppl 1, 199-206 (2007-02-24)
Drug-induced delirium is a common matter in the elderly and anticholinergics, together with a number of different drugs, may significantly contribute to the delirium onset, especially in demented people. We report a case of a probable anticholinergic drug-induced delirium in

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