A-317920

A-317920 is a selective and potent rat histamine H3 receptor (H3R) antagonist with pKi value of 9.2 and 7.0 for full-length rat and full-length human H3R, respectively. A-317920 exhibits over 130 fold selective affinity for the rat over the human H3R. A-317920 enhances cognition via H3R blockade[1].

Product Specifications

CAS Number

[360551-59-3]

UNSPSC

12352005

Target

Histamine Receptor

Type

Reference compound

Related Pathways

GPCR/G Protein; Immunology/Inflammation; Neuronal Signaling

Field of Research

Neurological Disease

Assay Protocol

https://www.medchemexpress.com/a-317920.html

Smiles

O=C(N[C@@H](C(N1CCN(CC1)CCCOC2=CC=C(C=C2)C(C3CC3)=O)=O)C)C4=CC=CO4

Molecular Formula

C25H31N3O5

Molecular Weight

453.53

References & Citations

[1]G B Fox, et al. Identification of novel H3 receptor (H3R) antagonists with cognition enhancing properties in rats. Inflamm Res. 2003 Apr:52 Suppl 1:S31-2. |[2]Timothy A Esbenshade, et al. Two novel and selective nonimidazole histamine H3 receptor antagonists A-304121 and A-317920: I. In vitro pharmacological effects. J Pharmacol Exp Ther. 2003 Jun;305 (3) :887-96.