A potent antagonist highly selective for kappa opioid receptor with no effect on mu- or delta- opioid receptors. Widely used in studies related to pain, addition, anxiety, depression, and sleep.
Molecular Formula:C₄₀H₄₃N₃O₆·2HCl
Solubility:H2O
Primary Target:kappa opioid receptor
Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile buffer or dH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
