MK 0343
Chemical Name: 7-Cyclobutyl-3-(2,6-difluorophenyl)-6-[(1-methyl-1H-1,2,4-triazol-5-yl)methoxy]-1,2,4-triazo[4,3-b]pyridazine
Purity: ≥99%
Biological Activity
MK 0343 is a subtype-selective GABAA partial agonist (Ki values are 0.21, 0.22, 0.23 and 0.40 for α3, α1, α5 and α2 respectively); occupies the benzodiazepine site of GABAA receptors. Displays greater agonist efficacy at α3 compared to α1. Exhibits anxiolytic and non-sedating properties in rodent models. Brain penetrant.Technical Data
The technical data provided above is for guidance only.
For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
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Background References
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MRK-409 (MK-0343), a GABAA receptor subtype-selective partial agonist, is a non-sedating anxiolytic in preclinical species but causes sedation in humans.
Atack et al.
J.Psychopharmacol., 2011;25:314 -
Pharmacodynamic and pharmacokinetic effects of MK-0343, a GABAA α2,3 subtype-selective agonist, compared to L.pam and placebo in healthy male volunteers.
de Haas et al.
J.Psychopharmacol., 2008;22:24 -
Benzodiazepine binding site occupancy by the novel GABAA receptor subtype-selective drug 7-(1,1-dimethylethyl)-6-(2-ethyl-2H-1,2,4-triazol-3-ylmethoxy)-3-(2-fluorophenyl)-1,2,4-triazolo[4,3-b]pyridazine (TPA023) in rats, prima
Atack et al.
J.Pharmacol.Exp.Ther., 2010;332:17
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