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E1145

Sigma-Aldrich

(±)-Epibatidine dihydrochloride hydrate

≥98% (HPLC), powder

Synonyme(s) :

exo-(±)-2-(6-Chloro-3-pyridinyl)-7-azabicyclo[2.2.1]heptane dihydrochloride hydrate

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About This Item

Formule empirique (notation de Hill):
C11H13ClN2 · 2HCl · xH2O
Poids moléculaire :
281.61 (anhydrous basis)
Code UNSPSC :
12352200
ID de substance PubChem :
24894390
Nomenclature NACRES :
NA.77

Pureté

≥98% (HPLC)

Forme

powder

Conditions de stockage

desiccated

Couleur

off-white

Solubilité

DMSO: >4 mg/mL
methanol: 4 mg/mL

Chaîne SMILES 

Cl[H].Cl[H].[H]O[H].Clc1ccc(cn1)[C@H]2CC3CCC2N3

InChI

1S/C11H13ClN2.2ClH.H2O/c12-11-4-1-7(6-13-11)9-5-8-2-3-10(9)14-8;;;/h1,4,6,8-10,14H,2-3,5H2;2*1H;1H2/t8?,9-,10?;;;/m1.../s1

Clé InChI

AXWYRFKDLRSESC-VAGRNHIFSA-N

Actions biochimiques/physiologiques

The activity of epibatidine at neuronal and neuromuscular nicotinic acetylcholine receptors was compared with the activity of nicotine and suxamethonium. Activation of ganglionic nicotinic receptors by epibatidine was shown in the guinea-pig ileum (contraction mediated by the cholinergic neurons of the ileum) and in pithed and atropinized rats (rise in blood pressure). Epibatidine also activated nicotinic receptors at the peripheral terminals of afferent C-fibres (rabbit ear) and in the brain (antidiuresis in rats). The agonistic effects of epibatidine were followed by long-lasting receptor desensitization. No antinociceptive effect of epibatidine was seen in rats at a dose free of motor impairment. On muscle end plate nicotinic receptors of the rat diaphragm (not responding to depolarizing agents by contraction), epibatidine was equipotent with suxamethonium in causing neuromuscular inhibition. On an extraocular muscle of the rabbit (responding to depolarizing agents by contraction) epibatidine in vitro and in situ caused a contraction at a 100-fold lower dose than suxamethonium. The Straub tail reaction in mice to epibatidine could be attributed to the sustained stimulation of motor end plate receptors of the "slow contracting" type of muscle fibres by epibatidine. Epibatidine was the most potent agonist on all neuronal and neuromuscular nicotinic receptors examined.

Caractéristiques et avantages

This compound is featured on the Acetylcholine Receptors (Nicotinic) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Autres remarques

2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research

Pictogrammes

Skull and crossbones
GHS06

Mention d'avertissement

Danger

Mentions de danger

H300 + H310

Classification des risques

Acute Tox. 2 Dermal - Acute Tox. 2 Oral

Code de la classe de stockage

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

M W Decker et al.
Biochemical pharmacology, 58(6), 917-923 (1999-10-06)
Pharmacological treatments for pain have come largely from two classes of compounds--the opioids and the nonsteroidal anti-inflammatory drugs (NSAIDs). Because of deficiencies associated with these two classes of compounds, exploration of novel approaches to pain relief has intensified of late.
Aurora Alvarez-Buylla et al.
eLife, 12 (2024-01-11)
Alkaloids are important bioactive molecules throughout the natural world, and in many animals they serve as a source of chemical defense against predation. Dendrobatid poison frogs bioaccumulate alkaloids from their diet to make themselves toxic or unpalatable to predators. Despite
Ali Yehia et al.
Current protocols in pharmacology, 88(1), e73-e73 (2020-02-19)
Automated patch-clamp (APC) systems have become indispensable tools of drug-discovery programs by allowing high-throughput electrophysiology-based screening of ion channel compounds. The recent development and introduction of microfluidics-based APC systems have made it possible to study the interactions of ligand-gated ion
W Sihver et al.
Neuroscience, 94(3), 685-696 (1999-12-01)
The laminar binding distribution of three nicotinic receptor agonists, [3H](-)nicotine, [3H]cytisine, and [3H]epibatidine, and their relation to the [3H]vesamicol binding, which is known to represent the vesicular acetylcholine transport sites, was performed employing in vitro autoradiography on the medial temporal
Y Zhang et al.
Journal of neurophysiology, 124(5), 1377-1387 (2020-08-28)
Olivocochlear neurons make temporary cholinergic synapses on inner hair cells of the rodent cochlea in the first 2 to 3 wk after birth. Repetitive stimulation of these efferent neurons causes facilitation of evoked release and increased spontaneous release that continues
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