Donitriptan hydrochloride

Cat. No. 3665

Donitriptan hydrochloride C23H25N5O2.HCl [170911-68-9]

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Chemical Name: 1-[[[3-(2-Aminoethyl)-1H-indol-5-yl]oxy]acetyl]-4-(4-cyanophenyl)-piperazine hydrochloride

Biological Activity

Brain penetrant 5-HT1B/1D agonist (pKi values are 9.3 and 9.4 for 5-HT1D and 5-HT1B respectively). Inhibits capsaicin-induced external carotid vasodilation and produces selective carotid vasoconstriction in various animal species. Displays antimigraine activity.

Technical Data

Soluble to 50 mM in DMSO
>98 %
Desiccate at RT

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.

Certificate of Analysis / Product Datasheet / Safety Datasheet

References are publications that support the products' biological activity.

Munoz-Islas et al (2006) Donitriptan, but not sumatriptan, inhibits capsaicin-induced canine external carotid vasodilation via 5-HT1B rather than 5-HT1D receptors. Br.J.Pharmacol. 149 82. PMID: 16880765.

Letienne et al (2005) Donitriptan decreases jugular venous oxygen saturation in rats in the absence of cranial vasoconstriction: an overlooked mechanism of antimigraine action? J.Pharmacol.Exp.Ther. 315 849. PMID: 16027226.

Letienne et al (2003) Donitriptan selectively decreases jugular venous oxygen saturation in the anesthetized pig: further insights into its mechanism of action relevant to headache relief. J.Pharmacol.Exp.Ther. 305 749. PMID: 12606602.

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Keywords: Donitriptan hydrochloride, supplier, serotonin, 5-HT1B, 5-HT1D, 5-HT1B/1D, receptors, agonists, Tocris Bioscience, 5-HT1B Receptor Agonist products

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