Biological Activity
Selective, orally active 5-HT6 antagonist (pKi values are 9.02-8.92, 6.55, 6.35, 6.27, 6.05, 5.95, 5.76, 5.73, 5.62, 5.55, 5.41, 5.39, 5.27 and < 4.99 at 5-HT6, 5-HT1D, 5-HT1A, D3, 5-HT1B, 5-HT1F, α1B, 5-HT2C, 5-HT2A, D2, 5-HT2B, 5-HT7, 5-HT4 and 5-HT1E respectively) and is > 200-fold selective over 55 other receptors, enzymes and ion channels. Increases extracellular glutamate and aspartate in the frontal cortex, and exhibits anticonvulsant activity (EC50 = 0.16 μM).
Licensing Information
Sold with the permission of GlaxoSmithKline
Compound Libraries
SB 271046 hydrochloride is also offered as part of the Tocriscreen Plus. Find out more about compound libraries available from Tocris.
Technical Data
| M. Wt | 488.45 |
| Formula | C20H22ClN3O3S2.HCl |
| Storage | Desiccate at RT |
| Purity | ≥99% (HPLC) |
| CAS Number | 209481-24-3 |
| PubChem ID | 6918455 |
| InChI Key | RMXZRJYGJMSDQK-UHFFFAOYSA-N |
| Smiles | CC2=C(S(NC3=CC=C(OC)C(N4CCNCC4)=C3)(=O)=O)SC1=CC=C(Cl)C=C12.Cl |
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 | |||
| DMSO | 48.84 | 100 |
Preparing Stock Solutions
The following data is based on the product molecular weight 488.45. 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 | 2.05 mL | 10.24 mL | 20.47 mL |
| 5 mM | 0.41 mL | 2.05 mL | 4.09 mL |
| 10 mM | 0.2 mL | 1.02 mL | 2.05 mL |
| 50 mM | 0.04 mL | 0.2 mL | 0.41 mL |
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References
References are publications that support the products' biological activity.
Bromidge et al (1999) 5-Chloro-N-(4-methoxy-3-piperazin-1-yl-phenyl)-3-methyl-2-benzothiophenesulfonamide (SB-271046): a potent, selective, and orally bioavailable 5-HT6 receptor antagonist. J.Med.Chem. 42 202 PMID: 9925723
Dawson et al (2000) In vivo effects of the 5-HT6 antagonist SB-271046 on striatal and frontal cortex extracellular concentrations of noradrenaline, dopamine, 5-HT, glutamate and aspartate. Br.J.Pharmacol. 130 23 PMID: 10780993
Routledge et al (2000) Characterization of SB-271046: a potent, selective and orally active 5-HT6 receptor antagonist. Br.J.Pharmacol. 130 1606 PMID: 10928964
Marcos et al (2008) Effects of 5-HT6 receptor antagonism and cholinesterase inhibition in models of cognitive impairment in the rat. Br.J.Pharmacol. 155 434 PMID: 18622410
Keywords: SB 271046 hydrochloride, supplier, Orally, active, selective, 5-HT6, antagonists, Serotonin, Receptors, 5-Hydroxytryptamine, SB271046, hydrochloride, GlaxoSmithKline, GSK, 5-HT6, Receptors, 5-HT6, Receptors, Tocris Bioscience
