EMPA is a potent, selective OX2R antagonist (IC50 = 2.3 nM). EMPA binds reversibly to OX2R and inhibits orexin-a and -b-evoked intracellular calcium flux in cells expressing recombinant OX2R, but not OX1R.
Packaging
5, 25 mg in glass bottle
Physical form
This product is solubilized for packaging and then dried down for shipment. It would appear as a lyophilized powder or film on the vial. Solvent should be added directly to the vial to prepare their sample for testing.