2c-cp 2c-cp 2c-cp (2c-cp) is a recreational designer drug from the substituted phenethylamine family, with psychedelic effects. it was first synthesised by daniel trachsel and colleagues in 2006. it has a binding affinity (ki) of 95 nm at the serotonin receptor 5-ht2a and 41 nm at 5-ht2c and is active at a dosage of between 15 and 35 mg with a duration of 3 to 6 hours. 2c-cpidentifiers iupac name 2-(4-cyclopropyl-2,5-dimethoxyphenyl)ethanamine cas number2888537-46-8pubchem cid163192739chemical and physical dataformulac13h19no2molar mass221.300 g·mol−13d model (jsmol)interactive image smiles coc1cc(c(cc1ccn)oc)c1cc1 inchi inchi=1s/c13h19no2/c1-15-12-8-11(9-3-4-9)13(16-2)7-10(12)5-6-14/h7-9h,3-6,14h2,1-2h3key:wsmvnfnzkkzcpu-uhfffaoysa-n