Sumanirole maleate

Cat. No. 2773

Sumanirole maleate C11H13N3O.C4H4O4 [179386-44-8]

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Chemical Name: (R)-5,6-Dihydro-5-(methylamino)-4H-imidazo[4,5,1-ij]quinolin-2(1H)-one (2Z)-2-butenedioate

Biological Activity

High affinity D2 receptor agonist (EC50 values are between 17 and 75 nM in cell-based assays). Displays >200-fold selectivity for the D2 receptor against other dopamine receptor subtypes (Ki values are 9.0, 1940, >2190 and >7140 for D2, D3, D4 and D1 receptors respectively). Exhibits antiParkinsonian activity similar to ropinirole (Cat. No. 3680).

Licensing Information

Sold for research purposes under agreement from Pfizer Inc.

Technical Data

Soluble to 100 mM in water and to 100 mM in DMSO
>98 %
Store at -20°C

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 / Safety Data Sheet

Certificate of Analysis: View current batch
Safety Data Sheet: View Safety Data Sheet


McCall et al (2005) Sumanirole, a highly dopamine D2-selective receptor agonist: in vitro and in vivo pharmacological characterization and efficacy in animal models of Parkinson's disease. J.Pharmacol.Exp.Ther. 314 1248. PMID: 15980060.

Stephenson et al (2005) The effects of a selective dopamine D2 receptor agonist on behavioral and pathological outcome in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-treated squirrel monkeys. J.Pharmacol.Exp.Ther. 314 1257. PMID: 15980058.

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Keywords: Sumanirole maleate, supplier, pfizer, dopamine, dopaminergic, receptors, d2, selective, antiparkinsonian, parkinsons, parkinson's, D2 Receptor Agonists

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