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L9664

Sigma-Aldrich

Loratadine

≥98% (HPLC), powder

Synonym(s):

4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene-1-piperidinecarboxylic acid ethyl ester, Loratidine

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About This Item

Empirical Formula (Hill Notation):
C22H23N2O2Cl
CAS Number:
79794-75-5
Molecular Weight:
382.88
MDL number:
MFCD00672869
UNSPSC Code:
12352200
PubChem Substance ID:
24278525
NACRES:
NA.77

Quality Level

200

assay

≥98% (HPLC)

form

powder

color

white

solubility

DMSO: soluble 50 mg/mL
H2O: insoluble

originator

Schering Plough

storage temp.

2-8°C

SMILES string

CCOC(=O)N1CC\C(CC1)=C2/c3ccc(Cl)cc3CCc4cccnc24

InChI

1S/C22H23ClN2O2/c1-2-27-22(26)25-12-9-15(10-13-25)20-19-8-7-18(23)14-17(19)6-5-16-4-3-11-24-21(16)20/h3-4,7-8,11,14H,2,5-6,9-10,12-13H2,1H3

InChI key

JCCNYMKQOSZNPW-UHFFFAOYSA-N

Gene Information

human ... CYP3A4(1576) , HRH1(3269) , KCNH1(3756) , KCNH2(3757) , PTAFR(5724)
rat ... Hrh1(24448)

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Biochem/physiol Actions

Loratadine is a non-sedating histamine H1-receptor antagonist. Shown to inhibit the two-pore domain potassium channel K2P18.1 (also called TRESK or KCNK18).
Non-sedating histamine H1-receptor antagonist.

Features and Benefits

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

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Description
Pricing

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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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F M Baroody et al.
Allergy, 55 Suppl 64, 17-27 (2001-04-09)
The primary mechanism of antihistamine action in the treatment of allergic diseases is believed to be competitive antagonism of histamine binding to cellular receptors (specifically, the H1-receptors), which are present on nerve endings, smooth muscles, and glandular cells. This notion
Karsten Weller et al.
Acta dermato-venereologica, 93(2), 168-174 (2012-10-12)
Non-sedating H1-antihistamines are the recommended first-line treatment for chronic spontaneous urticaria. While efficacy studies usually apply continuous daily treatment regimens, many patients take their medication on demand. In this randomized, double-blind trial we tested whether on-demand H1-antihistamine desloratadine in standard
P Deep et al.
Synapse (New York, N.Y.), 34(4), 313-318 (1999-10-26)
The efficacy of amantadine in alleviating motor symptoms of Parkinson's disease may be mediated in part by stimulation of cerebral dopa decarboxylase (DDC) activity, secondary to antagonism of N-methyl-D-aspartate (NMDA) type glutamate receptors. We tested the specific hypothesis that amantadine
F Estelle R Simons et al.
The Journal of allergy and clinical immunology, 110(5), 777-783 (2002-11-06)
The extent of the distribution of H(1)- antihistamines into the skin and H(1)-antihistamine activity in the skin are clinically relevant in the treatment of allergic skin disorders. In a prospective, randomized, double-blind, parallel-group, multiple-dose study, we gave fexofenadine 180 mg
M Magerl et al.
The British journal of dermatology, 166(5), 1095-1099 (2012-01-17)
Cold urticaria is a rare but severe and potentially lethal condition. It is primarily treated symptomatically with H(1) -antihistamines. However, patients have a variable response to these drugs and, to date, it has not been possible to predict readily the
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