AM251 is a potent CB1 receptor antagonist (IC50 = 8 nM, Ki = 7.49 nM) that displays 306-fold selectivity over CB2 receptors; also potent GPR55 agonist (EC50 = 39 nM).
Product Name: AM251 |Catalog Number: DC8765 |CAS 183232-66-8 |Other names: AM-251 |Chemical Name: |Molecule Formular: C22H21Cl2IN4O |MW: 555.24
AM251 is a potent CB1 receptor antagonist (IC50 = 8 nM, Ki = 7.49 nM) that displays 306-fold selectivity over CB2 receptors; also potent GPR55 agonist (EC50 = 39 nM).in vitro: In in vitro binding assays with mouse hippocampal membranes, tetrahydrocannabinol inhibited binding of [123I]AM251 with an IC50 value of about 700 nM, compared with about 0.2 nM for SR141716A. Kd values were lower for [123I]AM251 (0.23-0.62 nM) than for [3H]CP 55,940 (1.3-4 nM). CP 55,940 and SR141716A increased dissociation of [123I]AM251 from binding sites in mouse cerebellar homogenates to a similar extent.
For research only, not for human use!
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