Olcegepant (hydrochloride)

Olcegepant hydrochloride (BIBN-4096 hydrochloride) is a potent and selective non-peptide antagonist of the calcitonin gene-related peptide 1 (CGRP1) receptor with IC50 of 0.03 nM and with a Ki of 14.4 pM for human CGRP[1][2].

Product Specifications

CAS Number

[586368-06-1]

Product Name Alternative

BIBN-4096 hydrochloride; BIBN4096BS hydrochloride

UNSPSC

12352005

Target

CGRP Receptor

Type

Reference compound

Related Pathways

GPCR/G Protein; Neuronal Signaling

Applications

Neuroscience-Neuromodulation

Field of Research

Neurological Disease

Assay Protocol

https://www.medchemexpress.com/Olcegepant__hydrochloride_.html

Concentration

10mM

Purity

99.39

Solubility

DMSO : 100 mg/mL (ultrasonic) |H2O : ≥ 66.66 mg/mL

Smiles

O=C1N(CC2=C(N1)C=CC=C2)C3CCN(C(N[C@@H](C(N[C@H](C(N4CCN(C5=CC=NC=C5)CC4)=O)CCCCN)=O)CC6=CC(Br)=C(C(Br)=C6)O)=O)CC3.Cl

Molecular Formula

C38H47Br2N9O5.HCl

Molecular Weight

906.11

References & Citations

[1]Rudolf K, et al. Development of human calcitonin gene-related peptide (CGRP) receptor antagonists. 1. Potent and selective small molecule CGRP antagonists. 1-[N2-[3,5-dibromo-N-[[4- (3,4-dihydro-2 (1H) -oxoquinazolin-3-yl) -1-piperidinyl]carbonyl]-D-tyrosyl]-l-lysyl]-4- (4-pyridinyl) piperazine: the first CGRP antagonist for clinical trials in acute migraine. J Med Chem. 2005 Sep 22;48 (19) :5921-31.|[2]Doods H, et al. Pharmacological profile of BIBN4096BS, the first selective small molecule CGRP antagonist. Br J Pharmacol. 2000 Feb;129 (3) :420-3.|[3]Edvinsson L, et al. Effect of the CGRP receptor antagonist BIBN4096BS in human cerebral, coronary and omentalarteries and in SK-N-MC cells. Eur J Pharmacol. 2002 Jan 2;434 (1-2) :49-53.|[4]Sixt ML, et al. Calcitonin gene-related peptide receptor antagonist Olcegepant acts in the spinal trigeminal nucleus. Brain. 2009 Nov;132 (Pt 11) :3134-41.|[5]Michot B, et al. Differential effects of calcitonin gene-related peptide receptor blockade by Olcegepant on mechanical allodynia induced by ligation of the infraorbital nerve vs the sciatic nerve in the rat. Pain. 2012 Sep;153 (9) :1939-48.