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1370280

USP

Loratadine Related Compound A

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Desloratadine, 8-Chloro-6,11-dihydro-11-(4-piperidinylidene)-5H- benzo[5,6]cyclohepta[1,2,b]pyridine, Clarinex®, NSC 675447

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15 mg

Estimated to ship onMay 27, 2026fromMILWAUKEE

$1,290.00

About This Item

Empirical Formula (Hill Notation):
C19H19ClN2
CAS Number:
100643-71-8
Molecular Weight:
310.82
NACRES:
NA.24
PubChem Substance ID:
329750257
UNSPSC Code:
41116107
MDL number:
MFCD00871949

$1,290.00

Estimated to ship onMay 27, 2026Details

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grade

pharmaceutical primary standard

API family

loratadine

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

Clc1ccc2c(CCc3cccnc3\C2=C4\CCNCC4)c1

InChI

1S/C19H19ClN2/c20-16-5-6-17-15(12-16)4-3-14-2-1-9-22-19(14)18(17)13-7-10-21-11-8-13/h1-2,5-6,9,12,21H,3-4,7-8,10-11H2

InChI key

JAUOIFJMECXRGI-UHFFFAOYSA-N

Gene Information

human ... HRH1(3269)

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

Loratadine Related Compound A USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.
Also, for use with USP monographs such as:
  • Loratadine Orally Disintegrating Tablets
  • Loratadine Chewable Tablets
  • Loratadine Capsules

Biochem/physiol Actions

A non-sedating H1-receptor antagonist, free from antimuscarinic/anticholinergic effects. It has novel antiallergic and anti-inflammatory effects.
Desloratadine is a selective and nonsedating histamine H1 receptor antagonist, an active metabolite of loratadine (Claritin), used to relieve hay fever and allergy symptoms with less drowsiness than other antihistamines; does not significantly inhibits cardiac K+ channels at clinically achievable blood levels. Free from antimuscarinic/anticholinergic effects.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Legal Information

Clarinex is a registered trademark of Schering Corp.

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grade

pharmaceutical primary standard

grade

pharmaceutical primary standard

grade

pharmaceutical primary standard

grade

pharmaceutical primary standard

manufacturer/tradename

USP

manufacturer/tradename

USP

manufacturer/tradename

USP

manufacturer/tradename

USP

format

neat

format

neat

format

neat

format

neat

application(s)

pharmaceutical (small molecule)

application(s)

pharmaceutical (small molecule)

application(s)

pharmaceutical (small molecule)

application(s)

pharmaceutical (small molecule)

Gene Information

human ... HRH1(3269)

Gene Information

human ... HRH1(3269)

Gene Information

human ... HRH1(3269)

Gene Information

-

API family

loratadine

API family

loratadine

API family

desloratadine

API family

loratadine

Storage Class

11 - Combustible Solids

flash_point_f

390.2 °F - Pensky-Martens closed cup

flash_point_c

199 °C - Pensky-Martens closed cup

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Faraz Kazmi et al.
Drug metabolism and disposition: the biological fate of chemicals, 43(4), 523-533 (2015-01-18)
Desloratadine (Clarinex), the major active metabolite of loratadine (Claritin), is a nonsedating long-lasting antihistamine that is widely used for the treatment of allergic rhinitis and chronic idiopathic urticaria. For over 20 years, it has remained a mystery as to which
Eva Wex et al.
PloS one, 9(12), e116166-e116166 (2014-12-30)
Mast cells are central effector cells in allergic asthma and are augmented in the airways of asthma patients. Attenuating mast cell degranulation and with it the early asthmatic response is an important intervention point to inhibit bronchoconstriction, plasma exudation and
Shigeru Hishinuma et al.
Biochemical pharmacology, 91(2), 231-241 (2014-07-30)
Differential binding sites for first- and second-generation antihistamines were indicated on the basis of the crystal structure of human histamine H1 receptors. In this study, we evaluated differences between the thermodynamic driving forces of first- and second-generation antihistamines for human
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Global Trade Item Number

SKUGTIN
1370280-15MG04061838731609

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