Cayman Periplocin; Purity- Greater Than Or Equal To 98%; Size- 1

(±)-2-Methyl arachidonoyl-2-fluoroethylamide (2-Methyl-2-fluoro AEA) is an analog of anandamide (AEA) in which the alcohol of the ethanolamide group has been removed and replaced with a fluorine atom. This substitution confers considerably increased binding affinity for the CB₁ receptor (K_i = 5.7 nM in rat brain). It also confers additional selectivity, in that binding to CB₂ is decreased relative to AEA. However, the in vivo activity of 2-fluoro AEA is enhanced much less than the binding affinity, because the analog remains a good substrate for FAAH and is rapidly hydrolyzed by this enzyme. 2-Methyl-2-fluoro AEA is further modified by the addition of an α-methyl group at the C-2 position of arachidonic acid. This substitution confers enhanced metabolic stability. 2-Methyl-2-fluoro AEA can fully substitute for Δ⁹-THC in animal self-administration tests, whereas AEA and 2-fluoro AEA cannot.

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