1312991-83-5

1312991-83-5 structure

Name: threo Ifenprodil hemitartrate
Chemical Name: threo Ifenprodil hemitartrate
CAS Number: 1312991-83-5
Molecular Formula: C₂₁H₂₇NO_2.1/₂C₄H₆O₆
Molecular Weight: 400.50
Catalog: Signaling Pathways GPCR/G Protein Sigma Receptor
Create Date: 2021-05-04 17:47:09
Modify Date: 2025-08-25 20:51:08
threo Ifenprodil hemitartrate is a σ receptor agonist, with Kis of 59.1 and 2 nM for σ1 and σ2 receptors, respectively. threo Ifenprodil hemitartrate is also a NR2B subunit-selective NMDA receptor antagonist (IC50=0.22 μM). threo Ifenprodil hemitartrate is a hERG potassium channel inhibitor, with an IC 50 of 88 nM, showing antiarrhythmic activity[1][2][3].

Name	threo Ifenprodil hemitartrate

Description	threo Ifenprodil hemitartrate is a σ receptor agonist, with Kis of 59.1 and 2 nM for σ1 and σ2 receptors, respectively. threo Ifenprodil hemitartrate is also a NR2B subunit-selective NMDA receptor antagonist (IC50=0.22 μM). threo Ifenprodil hemitartrate is a hERG potassium channel inhibitor, with an IC 50 of 88 nM, showing antiarrhythmic activity[1][2][3].
Related Catalog	Signaling Pathways >> Neuronal Signaling >> iGluR Research Areas >> Neurological Disease Signaling Pathways >> GPCR/G Protein >> Sigma Receptor Signaling Pathways >> Membrane Transporter/Ion Channel >> Potassium Channel Signaling Pathways >> Membrane Transporter/Ion Channel >> iGluR
Target	IC50: 0.22 μM (NMDA)[1].
References	[1]. Hashimoto K, et al. Interactions of erythro-ifenprodil, threo-ifenprodil, erythro-iodoifenprodil, and eliprodil with subtypes of sigma receptors. Eur J Pharmacol. 1995 Feb 6;273(3):307-10. [2]. Avenet P, et al. Antagonist properties of the stereoisomers of ifenprodil at NR1A/NR2A and NR1A/NR2B subtypes of the NMDA receptor expressed in Xenopus oocytes. Eur J Pharmacol. 1996 Jan 25;296(2):209-13. [3]. Monassier L, et al. sigma(2)-receptor ligand-mediated inhibition of inwardly rectifying K(+) channels in the heart. J Pharmacol Exp Ther. 2007 Jul;322(1):341-50.