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USP

Loratadine

United States Pharmacopeia (USP) Reference Standard

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:
41116107
PubChem Substance ID:
329750256
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

loratadine

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

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 ... 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

Loratadine 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 Capsules
  • Loratadine Chewable Tablets
  • Loratadine Oral Solution
  • Loratadine Orally Disintegrating Tablets
  • Loratadine Tablets

Biochem/physiol Actions

Non-sedating histamine H1-receptor antagonist.

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.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

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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Desloratadine United States Pharmacopeia (USP) Reference Standard

USP

1173042

Desloratadine

Loratadine impurity H European Pharmacopoeia (EP) Reference Standard

Y0000605

Loratadine impurity H

Desloratadine powder, ≥98% (HPLC)

Sigma-Aldrich

D1069

Desloratadine

Acetaminophen United States Pharmacopeia (USP) Reference Standard

USP

1003009

Acetaminophen

E W Monroe
Clinical therapeutics, 19(2), 232-242 (1997-03-01)
Urticaria is a common skin disease, which in its chronic form, is a very disturbing condition. Because histamine is the best-documented chemical mediator of urticaria, histamine-antagonists are the mainstay of therapy. First-generation antihistamines are limited by their tendency to produce
M R Namazi
Journal of the European Academy of Dermatology and Venereology : JEADV, 19(3), 319-322 (2005-04-29)
As the current antipsoriatic medications are commonly associated with deleterious side-effects, a determined search for safer agents, which could be used alone or in combination with current antipsoriatic drugs, would be very imperative. Psoriasis is believed to be characterized by
M Haria et al.
Drugs, 48(4), 617-637 (1994-10-01)
Loratadine is a long-acting antihistamine agent, exhibiting partial selectivity for peripheral histamine H1-receptors. To date, loratadine has been evaluated in allergic rhinitis, urticaria and, to a limited extent, in asthma. In several large controlled comparative clinical studies, loratadine was superior
I J Roman et al.
Clinical reviews in allergy, 11(1), 89-110 (1993-01-01)
Antihistamines are considered first-line therapy for the relief of symptoms from allergic rhinitis and chronic urticaria. The newer, second-generation, nonsedating antihistamines reduce the central nervous system and anticholinergic side effects commonly found with previous drugs. The availability of H1-receptor antagonists
Safety and efficacy of loratadine in urticaria.
E W Monroe
International journal of dermatology, 35(12), 837-841 (1996-12-01)
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