Biological Activity
An extremely potent, high affinity agonist at H3 and H4 receptors (Ki values are 0.3 and 2.7 nM respectively). Induces shape change in eosinophils with an EC50 of 25 nM. Centrally active following systemic administration. Also available as part of the Histamine H3 Receptor Tocriset™.
Technical Data
| M. Wt | 332.06 |
| Formula | C6H10N4S.2HBr |
| Storage | Store at RT |
| Purity | ≥98% (HPLC) |
| CAS Number | 32385-58-3 |
| PubChem ID | 11957573 |
| InChI Key | DOBOYMKCRRLTRF-UHFFFAOYSA-N |
| Smiles | Br.Br.NC(=N)SCCC1=CNC=N1 |
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.
Solubility Data
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| water | 33.21 | 100 |
Preparing Stock Solutions
The following data is based on the product molecular weight 332.06. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|---|---|---|
| 1 mM | 3.01 mL | 15.06 mL | 30.12 mL |
| 5 mM | 0.6 mL | 3.01 mL | 6.02 mL |
| 10 mM | 0.3 mL | 1.51 mL | 3.01 mL |
| 50 mM | 0.06 mL | 0.3 mL | 0.6 mL |
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Product Datasheets
References
References are publications that support the products' biological activity.
Farzin and Attarzadeh (2000) Influence of different histamine receptor agonists and antagonists on apomorphine-induced licking behavior in rats. Eur.J.Pharmacol. 404 169 PMID: 10980276
Garbarg et al (1992) S-[2-(4-Imidazolyl)ethyl]isothiourea, a highly specific and potent histamine H3 receptor agonist. J.Pharmacol.Exp.Ther. 263 304 PMID: 1383495
Ling et al (2004) Histamine H4 receptor mediates eosinophil chemotaxis with cell shape change and adhesion molecule upregulation. Br.J.Pharmacol. 142 161 PMID: 15131002
Keywords: Imetit dihydrobromide, supplier, H3, H4, agonists, Receptors, Histamine, histaminergic, Histamine, H3, Receptors, Histamine, H4, Receptors, Histamine, H3, Receptors, Tocris Bioscience
