A very potent and selective delta opioid receptor agonist (IC50 = 0.32uM). Shown to induce dose- and time-dependent antinociception after i.c.v., i.th. and i.p. administration in mice. Widely used in studies of depression and inflammatory injuries. It is also reported to be acted upon heteromeric u-d receptors. Solubility:DMSO or 1N HClPrimary Target:Delta opioid receptorPrimary Target IC50:0.32uStorage 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.