SB 271046 hydrochloride

SB 271046 hydrochloride is a potent, selective and orally active 5-HT6 receptor antagonist with pKi of 8.9, exhibits 200-fold greater selectivity over other 5-HT receptor subtypes.

SB 271046 hydrochloride Chemical Structure

SB 271046 hydrochloride Chemical Structure

CAS: 209481-24-3

Selleck's SB 271046 hydrochloride has been cited by 1 Publication

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Purity & Quality Control

Batch: S285601 DMSO] 40 mg/mL] false] Water] Insoluble] false] Ethanol] Insoluble] false Purity: 99.06%
99.06

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Biological Activity

Description SB 271046 hydrochloride is a potent, selective and orally active 5-HT6 receptor antagonist with pKi of 8.9, exhibits 200-fold greater selectivity over other 5-HT receptor subtypes.
Targets
5-HT6 [1]
(Cell-free assay)
8.92(pKi)
In vitro
In vitro SB-271046 also potently displaces [125I]-SB-258585 from rat and pig striatal and human caudate putamen membranes with pKis of 9.02, 8.55 and 8.81, respectively. SB-271046 competitively antagonizes 5-HT-induced stimulation of adenylyl cyclase activity with a pA2 of 8.71. [1] SB-271046 is found to be a competitive antagonist with a pA2 of 8.7 in the functional adenylyl cyclase assay which is in good agreement with its binding affinity. SB-271046 demonstrates no significant inhibitory activity at the major human P450 enzymes. [2]
In Vivo
In vivo SB-271046 produces an increase in seizure threshold over a wide-dose range in the rat maximal electroshock seizure threshold (MEST) test, with a minimum effective dose of 0.1 mg/kg p.o. and maximum effect at 4 hours post-dose. The level of anticonvulsant activity achieves correlated well with the blood concentrations of SB-271046 (EC50 of 0.16 μM) and brain concentrations of 0.01 μM–0.04 μM at Cmax. [1] SB-271046 is moderately brain penetrant (10%), subject to low blood clearance (7.7 mL/min/kg) with a good half-life in rats (4.8 hours), and has excellent oral bioavailability (>80%). [2] SB-271046 produces 3-fold and 2-fold increases in extracellular glutamate levels in both frontal cortex and dorsal hippocampus of rats, respectively, which may be used for the treatment of cognitive and memory dysfunction. [3] SB-271046 (20 mg/kg, orally gavage) 30 min prior to training Wistar rats, is found to reverse significantly the amnesia produced by administering scopolamine (0.8 mg/kg, i.p.) in the 6 hours post-training period. SB-271046 progressively and significantly decreases platform swim angle and escape latencies over the five sequential trials on four consecutive daily sessions compared to vehicle-treated controls in aged rats. SB-271046 also improves task recall as measured by significant increases in the searching of the target quadrant on post-training days 1 and 3. [4] SB-271046 (10 mg/kg, s.c.) produces a significant, tetrodotoxin-dependent, increase in extracellular levels of both glutamate and aspartate within the frontal cortex of rats, reaching maximum values of 375.4% and 215.3% of preinjection values, respectively. [5]
Animal Research Animal Models Male Sprague Dawley rats
Dosages 30 mg/kg
Administration Orally

Chemical Information & Solubility

Molecular Weight 488.45 Formula

C20H22ClN3O3S2·HCl

CAS No. 209481-24-3 SDF Download SB 271046 hydrochloride SDF
Smiles CC1=C(SC2=C1C=C(C=C2)Cl)S(=O)(=O)NC3=CC(=C(C=C3)OC)N4CCNCC4.Cl
Storage (From the date of receipt)

In vitro
Batch:

DMSO : 40 mg/mL ( (81.89 mM); Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Water : Insoluble

Ethanol : Insoluble


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In vivo
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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

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