LY2795050

CAS NO.:1346133-08-1

Molecular Formula:C₂₃H₂₂ClN₃O₂

Molecular Weight:406.893417835236

Purity: > 98%

Solubility (R.T.: 25℃): DMSO

Stability: - 20℃ 2 years

LY2795050 is a novel selective κ-opioid Receptor (KOR) antagonist (IC50=0.72 nM) and has the potential as a PET tracer to image KOR in vivo. IC50 Value: 0.72 nM (κ-opioid Receptor); 25.8 nM (κ-opioid).Target: κ-opioid Receptor in vitro: LY2795050 displays full antagonist activity and high binding affinity and selectivity for KOR with a ki value of 0.72 nM. in vivo: In the brain, (11)C-LY2795050 displayed fast uptake kinetics (regional activity peak times of <20 min) and an uptake pattern consistent with the distribution of KOR in primates. The LY2795050 ED50 at MOR was 119 μg/kg based on a 1-site model for 11C-carfentanil. The 1-site binding model was also deemed sufficient to describe the specific binding of 11C-LY2795050 at KOR. The ED50 at KOR estimated from the 1-site model was 15.6 μg/kg. Thus, the ED50 ratio for MOR:KOR was 7.6. 

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