3c-dfe 3c-dfe 3c-dfe is a lesser-known psychedelic drug, which is a fluorinated derivative of 3c-e. it was first synthesised by daniel trachsel in 2002, and has been reported as showing similar psychedelic activity to related compounds, with a dose range of around 20–40 mg and a duration of approximately 10 hours.: 736 despite its reported psychedelic activity, binding studies in vitro showed 3c-dfe to have a surprisingly weak binding affinity of 2695 nm at 5-ht2a with negligible affinity at 5-ht2c,: 737 making it only slightly higher affinity than mescaline, despite its higher potency in vivo. 3c-dfe names preferred iupac name 1-propan-2-amine other names 3c-dfe identifiers cas number 501700-07-8 y 3d model (jsmol) interactive image chemspider 33260397 y pubchem cid 54939285 inchi inchi=1s/c13h19f2no3/c1-8(16)4-9-5-10(17-2)13(11(6-9)18-3)19-7-12(14)15/h5-6,8,12h,4,7,16h2,1-3h3key: tyxhbmnqovlyrx-uhfffaoysa-ninchi=1/c13h19f2no3/c1-8(16)4-9-5-10(17-2)13(11(6-9)18-3)19-7-12(14)15/h5-6,8,12h,4,7,16h2,1-3h3key: tyxhbmnqovlyrx-uhfffaoyac smiles coc1cc(cc(n)c)cc(oc)c1occ(f)f properties chemical formula c13h19fno3 molar mass 275.292 g/mol melting point 171–172 °c (340–342 °f; 444–445 k) except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references