CAS 75704-24-4|(Rac)-WAY-161503

Introduction:Basic information about CAS 75704-24-4|(Rac)-WAY-161503, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Common Name(Rac)-WAY-161503
CAS Number75704-24-4Molecular Weight308.59100
Density/Boiling Point529ºC at 760 mmHg
Molecular FormulaC11H11Cl2N3OMelting Point/
MSDS/Flash Point273.7ºC

Names

Name8,9-dichloro-2,3,4,4a-tetrahydro-1H-pyrazino[1,2-a]quinoxalin-5(6H)-one

(Rac)-WAY-161503 BiologicalActivity

Description(Rac)-WAY-161503 is a potent, selective, highly affinity 5-HT2C receptor agonist with a Ki of 4 nM and an EC50 of 12 nM. (Rac)-WAY-161503 displays higher affinity for 5-HT2C than 5-HT2A and 5-HT2B receptors. (Rac)-WAY-161503 has anti-obesity and antidepressant effects[1][2].
Related CatalogResearch Areas >>Metabolic DiseaseResearch Areas >>Neurological DiseaseSignaling Pathways >>GPCR/G Protein >>5-HT ReceptorSignaling Pathways >>Neuronal Signaling >>5-HT Receptor
Target

5-HT2C Receptor:4 nM (Ki)

5-HT2C Receptor:12 nM (EC50)

In Vivo(Rac)-WAY-161503 (3-30 mg/kg; intraperitoneal injection; male C57BL/6J mice) treatment dose-dependently decreases locomotor activity, an effect that is blocked by the 5-HT2C/2B antagonist SER-082. Additionally, the decreased locomotor activity produced by 10 mg/kg DOI is potentiated in the 5-HT2A KO mice[1]. Animal Model: Male C57BL/6J mice with hallucinogen 1-(2,5-dimethoxy-4-iodophenyl)-2-aminopropane (DOI)[1] Dosage: 3 mg/kg, 10 mg/kg, 30 mg/kg Administration: Intraperitoneal injection Result: Dose-dependently decreased locomotor activity, an effect that was blocked by the 5-HT2C/2B antagonist SER-082.
References

[1]. Halberstadt AL, et al. 5-HT(2A) and 5-HT(2C) receptors exert opposing effects on locomotor activity in mice. Neuropsychopharmacology. 2009 Jul;34(8):1958-67.

[2]. Welmaker GS, et al. Synthesis and 5-hydroxytryptamine (5-HT) activity of 2,3,4,4a-tetrahydro-1H-pyrazino[1,2-a]quinoxalin-5-(6H)ones and 2,3,4,4a,5,6-hexahydro-1H-pyrazino[1,2-a]quinoxalines. Bioorg Med Chem Lett. 2000 Sep 4;10(17):1991-4.

Chemical & Physical Properties

Boiling Point529ºC at 760 mmHg
Molecular FormulaC11H11Cl2N3O
Molecular Weight308.59100
Flash Point273.7ºC
Exact Mass307.00500
PSA44.37000
LogP3.05750
InChIKeyPHGWDAICBXUJDU-UHFFFAOYSA-N
SMILESO=C1Nc2cc(Cl)c(Cl)cc2N2CCNCC12
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