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Y0000326

Azelastine hydrochloride

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

4-[(4-chlorophenyl)methyl]-2-(1-methylazepan-4-yl)phthalazin-1-one hydrochloride, Astelin, Optivar

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About This Item

Empirical Formula (Hill Notation):
C22H24ClN3O · HCl
CAS Number:
79307-93-0
Molecular Weight:
418.36
MDL number:
MFCD00242783
UNSPSC Code:
41116107
PubChem Substance ID:
329830908
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

azelastine

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

Cl.CN1CCCC(CC1)N2N=C(Cc3ccc(Cl)cc3)c4ccccc4C2=O

InChI

1S/C22H24ClN3O.ClH/c1-25-13-4-5-18(12-14-25)26-22(27)20-7-3-2-6-19(20)21(24-26)15-16-8-10-17(23)11-9-16;/h2-3,6-11,18H,4-5,12-15H2,1H3;1H

InChI key

YEJAJYAHJQIWNU-UHFFFAOYSA-N

Gene Information

human ... HRH1(3269)

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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

Azelastine hydrochloride EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Biochem/physiol Actions

H1 histamine receptor antagonist; NF-kB activator.

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.

related product

Product No.
Description
Pricing

Y0000327

Azelastine impurity B, European Pharmacopoeia (EP) Reference Standard

Y0000328

Azelastine impurity D, European Pharmacopoeia (EP) Reference Standard

Y0000329

Azelastine impurity E, European Pharmacopoeia (EP) Reference Standard

1046158

Azelastine hydrochloride, United States Pharmacopeia (USP) Reference Standard

1046191

Azelastine Related Compound D, United States Pharmacopeia (USP) Reference Standard

1046202

Azelastine Related Compound E, United States Pharmacopeia (USP) Reference Standard

1046170

Azelastine Related Compound B, United States Pharmacopeia (USP) Reference Standard

1046213

Azelastine Related Compound F, United States Pharmacopeia (USP) Reference Standard

PHR2842

Azelastine Related Compound D

PHR2843

Azelastine Related Compound E, certified reference material, pharmaceutical secondary standard

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P301 + P312 + P330

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Warner Carr et al.
The Journal of allergy and clinical immunology, 129(5), 1282-1289 (2012-03-16)
Moderate-to-severe allergic rhinitis (AR) is a challenge to treat, with many patients using multiple therapies and achieving limited symptom control. More effective therapies must be developed and tested in well-controlled, randomized, prospective studies with a direct comparison to current standards.
Panayiotis A Procopiou et al.
Bioorganic & medicinal chemistry, 20(20), 6097-6108 (2012-09-19)
5-Aza, 6-aza, 7-aza and 8-aza-phthalazinone, and 5,8-diazaphthalazinone templates were synthesised by stereoselective routes starting from the appropriate pyridine/pyrazine dicarboxylic acids by activation with CDI, reaction with 4-chlorophenyl acetate ester enolate to give a β-ketoester, which was hydrolysed, and decarboxylated. The
William C Howland et al.
International forum of allergy & rhinology, 1(4), 275-279 (2012-01-31)
A previous study with azelastine nasal spray in patients with seasonal allergic rhinitis (SAR) demonstrated that increasing the azelastine concentration from 0.1% to 0.15% allowed for once-daily dosing without increasing the incidence of adverse effects. This study evaluated the efficacy
L-L Fu et al.
Cell proliferation, 47(4), 326-335 (2014-06-27)
The aim of this study was to explore sodium taurocholate co-transporting polypeptide (NTCP) exerting its function with hepatitis B virus (HBV) and its targeted candidate compounds, in HBV therapy. Identification of NTCP as a novel HBV target for screening candidate
Tsugunobu Andoh et al.
Journal of pharmacological sciences, 114(3), 292-297 (2010-10-16)
Recently, we showed that a methanol extract of Ganoderma lucidum inhibits scratching, an itch-related response, induced by intradermal injections of some pruritogens in mice. The present study investigated whether G. lucidum extract would inhibit allergic itch. In mice sensitized with
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