5-fluoro-met 5-fluoro-met 5-fluoro-met (5f-met, 5-fluoro-n-methyl-n-ethyltryptamine) is a psychedelic tryptamine derivative related to drugs such as 5-fluoro-dmt and n-methyl-n-ethyltryptamine (met). it acts as an agonist at the 5-ht2a receptor with an ec50 of 20.6 nm and produces a head-twitch response in animal studies. ring fluorination in this case increases efficacy at 5-ht2a, with 5f-met having an efficacy of 87.6% vs 5-ht, vs 36.2% for the partial agonist met. it is claimed to have antidepressant activity. 5-fluoro-metclinical dataother names5f-metidentifiers iupac name n-ethyl-2-(5-fluoro-1h-indol-3-yl)-n-methylethanamine pubchem cid156836209chemical and physical dataformulac13h17fn2molar mass220.291 g·mol−13d model (jsmol)interactive image smiles ccn(c)ccc1=cnc2=c1c=c(c=c2)f inchi inchi=1s/c13h17fn2/c1-3-16(2)7-6-10-9-15-13-5-4-11(14)8-12(10)13/h4-5,8-9,15h,3,6-7h2,1-2h3key:xrwqulaxclvbpp-uhfffaoysa-n