MedChemExpress - Model NAS-181 dimesylate -1217474-40-2

NAS181 is a potent and selective antagonist of rat 5-HT1B receptor, with a Ki of 47 nM. NAS181 shows 13-fold selectivity for r5-HT1B over bovine 5-HT1B receptor (Ki=630 nM). NAS181 increases the 5-HT turnover and the synaptic concentration of 5-HT by inhibiting terminal r5-HT1B autoreceptors[1][2].

NAS-181 dimesylate

MCE China：NAS-181 dimesylate

Brand：MedChemExpress (MCE)

Cat. No.HY-103156

CAS：1217474-40-2

Purity：98.44%

Storage：4°C, sealed storage, away from moisture *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

Shipping：Room temperature in continental US; may vary elsewhere.

Description：NAS181 is a potent and selective antagonist of rat 5-HT1B receptor, with a Ki of 47 nM. NAS181 shows 13-fold selectivity for r5-HT1B over bovine 5-HT1B receptor (Ki=630 nM). NAS181 increases the 5-HT turnover and the synaptic concentration of 5-HT by inhibiting terminal r5-HT1B autoreceptors.

In Vitro：NAS181 has very low affinities (Ki>3000 nM) for all other receptors examined, including 5-HT2A, 5-HT2C, 5-HT6, and 5-HT7, α1-, α2-, and β-adrenoceptors, and dopamine D1 and D2[1]. NAS181 (10-1000 nM) dose-dependently potentiates the K+-stimulated [3H]-5-HT release in preloaded rat occipital cortical slices[1].

In Vivo：NAS181 (1-10 mg/kg; s.c.) dose-dependently increases acetylcholine (ACh) release in the frontal, ventral hippocampus cortex and VHipp[1]. NAS181 (20 mg/kg; s.c.) enhances the 5-HT turnover in four rat brain regions (hypothalamus, hippocampus, striatum, and frontal cortex) with about 40%[1]. NAS181 (3 mg/kg; s.c.) produces a significant increase in the number of wet dog shakes in rats[1].

IC50 & Target：Rat 5-HT1B Receptor 47 nM (IC50)

References：

[1]. Berg S, et, al. (R)-(+)-2-[[[3-(Morpholinomethyl)-2H-chromen-8-yl]oxy]methyl] morpholine methanesulfonate: a new selective rat 5-hydroxytryptamine1B receptor antagonist. J Med Chem. 1998 May 21;41(11):1934-42. [Content Brief]

[2]. Hu XJ, et, al. Effects of the 5-HT1B receptor antagonist NAS-181 on extracellular levels of acetylcholine, glutamate and GABA in the frontal cortex and ventral hippocampus of awake rats: a microdialysis study. Eur Neuropsychopharmacol. 2007 Sep;17(9):580- [Content Brief]

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MedChemExpress - Model NAS-181 dimesylate -1217474-40-2

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NAS-181 dimesylate