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A7611

Sigma-Aldrich

Azelastine hydrochloride

≥98% (HPLC)

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:
12352200
PubChem Substance ID:
329770938
NACRES:
NA.77

assay

≥98% (HPLC)

form

powder

storage condition

desiccated

color

white to off-white

solubility

DMSO: >10 mg/mL

originator

Wallace

storage temp.

−20°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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Application

Azelastine hydrochloride is a H1 histamine receptor antagonist and NF-kB activator. Azelastine hydrochloride has been used in a study to investigate the potential of polymeric microspheres for treatment of allergic conjunctivitis.

Biochem/physiol Actions

H1 histamine receptor antagonist; NF-kB activator.

Features and Benefits

This compound is featured on the Histamine Receptors page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.
This compound was developed by Wallace. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

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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Eli O Meltzer et al.
Allergy and asthma proceedings, 33(4), 324-332 (2012-08-04)
Many patients with allergic rhinitis (AR) have uncontrolled symptoms despite available treatment options. This study was designed to evaluate the efficacy and safety of MP29-02 (a novel intranasal formulation of fluticasone propionate [FP] and azelastine [AZ] hydrochloride), compared with monotherapy
Carsten Gründemann et al.
Journal of ethnopharmacology, 145(1), 118-126 (2012-11-13)
Extracts from Veronica officinalis L. are traditionally used for the treatment of lung diseases; however, the effective compounds and the mode of action are still unknown. Here we analyzed the effects of a standardized Veronica extract on genes expression and
Demin Han et al.
ORL; journal for oto-rhino-laryngology and its related specialties, 73(5), 260-265 (2011-08-13)
To compare the onset of action, efficacy, and safety of azelastine and levocabastine in the treatment of allergic rhinitis. In a multicenter, randomized, double-blind, parallel-group trial, 244 patients with moderate-to-severe allergic rhinitis were randomized to receive either azelastine hydrochloride nasal
Jonathan A Bernstein
Current medical research and opinion, 23(10), 2441-2452 (2007-08-29)
Azelastine hydrochloride (Astelin) nasal spray 0.1% solution is a second-generation intranasal antihistamine available in the US for treatment of both seasonal allergic rhinitis (SAR) and nonallergic vasomotor rhinitis (VMR). Searches of journal articles including the title word 'azelastine' from 1979
Daniel Baumann et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 80(1), 156-163 (2011-09-29)
For locally acting drugs, an extended residence time in the nasal cavity is desirable and related to a prolonged effect. We sought to develop a model for comparative determination of intranasal pharmacokinetics. We embedded human respiratory tissue into a solid
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