(R)-(-)-α-Methylhistamine dihydrobromide
Tocris Bioscience | Catalog # 0569
Key Product Details
Description
Product Description
(R)-(-)-α-Methylhistamine dihydrobromide is a very potent, high affinity H3 agonist (KD = 50.3 nM) that displays > 200-fold selectivity over H4 receptors. Inhibits H3-mediated histamine synthesis and release in the CNS and stimulates H4-mediated eosinophil shape change (EC50 = 66 nM).
S-enantiomer also available.
Product Specifications for (R)-(-)-α-Methylhistamine dihydrobromide
Molecular Weight
Formula
Storage
Purity
Chemical Name
CAS Number
PubChem ID
InChI Key
SMILES
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Solubility
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| water | 28.7 | 100 |
Preparing Stock Solutions for (R)-(-)-α-Methylhistamine dihydrobromide
The following data is based on the product molecular weight 287.00.
Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which all affect the solvent volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|---|---|---|
| 1 mM | 3.48 mL | 17.42 mL | 34.84 mL |
| 5 mM | 0.70 mL | 3.48 mL | 6.97 mL |
| 10 mM | 0.35 mL | 1.74 mL | 3.48 mL |
| 50 mM | 0.07 mL | 0.35 mL | 0.70 mL |
Calculators
Background References
References are publications that support the biological activity of the product.
- Shahid Histamine, histamine receptors, and their role in immunomodulation: An updated systematic review. Open Immunol.J.
- Schwartz A third histamine receptor subtype - characterization, localization and functions of the H3-receptor. Agents Actions 1990 PMID: 1695431
- Hew Characterization of histamine-H3 receptors in guinea pig ileum with H3-selective ligands. Br.J.Pharmacol. 1990 PMID: 1963802
- Oishi Effects of histamine H3-agonist (R)-α-methylhistamine and the antagonist thioperamide on histamine modulation in the mouse and rat brain. J.Neurochem. 1989 PMID: 2540269
- Buckland Histamine induces cytoskeletal changes in human eosinophils via the H4 receptor. Br.J.Pharmacol. 2003 PMID: 14530216
Product Documents for (R)-(-)-α-Methylhistamine dihydrobromide
Certificate of Analysis
To download a Certificate of Analysis, please enter a lot or batch number in the search box below.
Product Specific Notices for (R)-(-)-α-Methylhistamine dihydrobromide
For research use only
Citations for (R)-(-)-α-Methylhistamine dihydrobromide
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