CP 55,940

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CP 55,940
CAS Number
PubChem CID
E number{{#property:P628}}
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Chemical and physical data
Molar mass376.573 g/mol


CP 55,940, is a cannabinoid which mimics the effects of naturally occurring THC (the psychoactive compound found in marijuana). CP 55,940 was created by Pfizer in 1974 and was never marketed because of its highly psychoactive nature. It is currently used by scientists to study cannabinoid effects in biology. Some effects that have been noted are a greatly decreased rates of lever pressing in exposed mice, and a greater reaction to opiates in exposed mice. CP-55940 is 40 times more potent than Δ9-THC, and fully antagonized by rimonabant (SR141716A) (Life Sci 1996;58:1239-47; last update 010106). CP 55940 produces cannabis-like effects in humans at a dose of 0.25 - 1 milligram and could potentially be used as an alternative to medicinal marijuana which would be illegal (schedule one) under analogue laws rather than by specific mention.

There is no information on the dangers or Neurotoxicity of CP 55,940

There is no history of recreational use of CP 55,940