PIRDONIUM

CC1=CC=C(C=C1)C(OCC2CCCC[N+]2(C)C)C3=CC=CC=C3

InChIKey=GEAODIUILCCWGU-UHFFFAOYSA-N

InChI=1S/C22H30NO/c1-18-12-14-20(15-13-18)22(19-9-5-4-6-10-19)24-17-21-11-7-8-16-23(21,2)3/h4-6,9-10,12-15,21-22H,7-8,11,16-17H2,1-3H3/q+1

Stereochemistry	MIXED
Additional Stereochemistry	No
Defined Stereocenters	0 / 3
E/Z Centers	0
Optical Activity	UNSPECIFIED

Pirdonium is an antihistamine agent. It is the hydrophilic Histamine H1 receptor antagonist.

PubMed

Title	Date	PubMed
Ca2+ -dependent down-regulation of human histamine H1 receptors in Chinese hamster ovary cells.	2018-01	29063596
Ubiquitin/proteasome-dependent down-regulation following clathrin-mediated internalization of histamine H1-receptors in Chinese hamster ovary cells.	2010-05	20236220
Clathrin-independent internalization of the human histamine H1-receptor in CHO-K1 cells.	2005-10	16086035
Ca2+/calmodulin-mediated regulation of agonist-induced sequestration of Gq protein-coupled histamine H1 receptors in human U373 MG astrocytoma cells.	1998-12	9832164
Characteristics of the binding of [3H]-mepyramine to intact human U373 MG astrocytoma cells: evidence for histamine-induced H1-receptor internalisation.	1995-11	8590995

Substance Class	Chemical Created by `admin` on `Mon Mar 31 18:17:19 GMT 2025` Edited by `admin` on `Mon Mar 31 18:17:19 GMT 2025`
Record UNII	QLE9A8YF1U
Record Status	`Validated (UNII)`
Record Version

Name

Type

Language

1,1-DIMETHYL-2-(((P-METHYL-.ALPHA.-PHENYLBENZYL)OXY)METHYL)PIPERIDINIUM

Preferred Name

English

PIRDONIUM

Common Name

English

Classification Tree Code System Code

NCI_THESAURUS

C29578