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Category: 7TM ReceptorsarrowHistamine ReceptorsarrowH3 and H4 ReceptorsarrowAntagonists
Cat.No. Product Name
1858 Impentamine dihydrobromide
Alternative name(s): VUF 4702
Price and Availability

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Impentamine 2HBr
Chemical Name: 4-(5-Aminopentyl)imidazole dihydrobromide

Biological Activity:

Potent and highly selective histamine H3 receptor antagonist (pA2 = 8.4); displays > 30000-fold selectivity over H1 and H2 receptors. Can act as a partial agonist in SK-N-MC cells expressing human H3 receptors. Produces antinociception, possibly via a non-H1, -H2 or -H3 receptor-mediated mechanism, following central administration in vivo.

Technical Data:

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M.Wt: 315.05
Formula: C8H15N3.2HBr
Storage: Desiccate at RT
Solubility: Soluble to 100 mM in Water and to 100 mM in DMSO
CAS No: [34973-91-6]

Resources:

  • Certificate of Analysis / MSDS:

    Certificate of Analysis: View current batch
    Product/Material Safety Data Sheet: View current batch

    References:

    Vollinga et al (1995) Homologs of histamine as histamine H3 receptor antagonists: a new potent and selective H3 antagonist, 4(5)-(5-aminopentyl)-1H-imidazole. J.Med.Chem. 38 266. Hough et al (1999) Antinociceptive activity of impentamine, a histamine congener, after CNS administration. Life Sci. 64 PL79. Wieland et al (2001) Constitutive activity of histamine H3 receptors stably expressed in SK-N-MC cells: display of agonism and inverse agonism by H3 antagonists. J.Pharmacol.Exp.Ther. 299 908.
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    Keywords: Impentamine 2HBr, Histamine Receptors, Selective H3 Antagonist, VUF 4702, Tocris Bioscience

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