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Merck
CN

SMB01318

3-Hydroxydesloratadine

Synonym(s):

3-Hydroxy Desloratadine, Desloratadine 3-Hydroxy Impurity

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About This Item

Empirical Formula (Hill Notation):
C19H19ClN2O
CAS Number:
119410-08-1
Molecular Weight:
326.82
MDL number:
MFCD00878381
UNSPSC Code:
12352200
NACRES:
NA.77

Key Documents

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description

Modulation and Signaling

Quality Level

100

Assay

≥90%

form

solid

technique(s)

HPLC: suitable

color

pale yellow to off-white

storage temp.

−20°C

SMILES string

Clc1cc2c(cc1)C(=C4CCNCC4)c3ncc(cc3CC2)O

InChI

1S/C19H19ClN2O/c20-15-3-4-17-13(9-15)1-2-14-10-16(23)11-22-19(14)18(17)12-5-7-21-8-6-12/h3-4,9-11,21,23H,1-2,5-8H2

InChI key

NDFMTPISBHBIKE-UHFFFAOYSA-N

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General description

3-hydroxy Desloratadine is a major metabolite of desloratadine and loratadine, which are non-sedating tricyclic antagonists of the histamine H1 receptor and antihistamine drugs used to manage allergic rhinitis and chronic idiopathic urticaria.

Application

3-Hydroxy Desloratadine finds application in metabolomics and drug discovery research

Biochem/physiol Actions

3-hydroxydesloratadine formation involves the oxidation of desloratadine by cytochrome P450 (CYP2C8) and subsequent glucuronidation by UDP-glucuronosyltransferase UGT2B10 in cryopreserved human hepatocytes. This pathway leads to the production of 3-hydroxydesloratadine, a major active human metabolite.

Features and Benefits

  • High quality compound suitable for multiple research applications
  • Compatible with a wide variety of chromatographic and spectrometry techniques

Other Notes

For additional information on our range of Biochemicals, please complete this form.
This product is intended for research purposes only, and it is not meant for human consumption.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKCP4485

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Matti K Itkonen et al.
Drug metabolism and disposition: the biological fate of chemicals, 47(4), 377-385 (2019-01-12)
A recent in vitro study suggested that CYP2C8 is essential in the metabolism of desloratadine, an H1 receptor antagonist. If the proposed biotransformation mechanism takes place in vivo in humans, desloratadine could serve as a selective CYP2C8 probe substrate in
Silvi A Chacko et al.
Xenobiotica; the fate of foreign compounds in biological systems, 50(6), 621-629 (2019-10-01)
Accurate prediction of in vivo metabolic pathways in humans can be challenging because in vitro liver matrices may fail to produce certain in vivo metabolites.Rat and human spheroids, generated from cryopreserved hepatocytes in media that contained minimal amount of serum
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

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