2C-T-21, also known as 4-(2-fluoroethylthio)-2,5-dimethoxyphenethylamine, is a psychedelic phenethylamine of the 2C family. It is taken orally.
{{Infobox drug | Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 477216649 | drug_name = | image = 2C-T-21 2DACS.svg | image_class = skin-invert-image | width = 250px | image2 = 2C-T-21-3d-sticks.png | image_class2 = bg-transparent | width2 = 225px
| pronounce = | tradename = | Drugs.com = | MedlinePlus = | licence_CA = | licence_EU = | DailyMedID = | licence_US = | pregnancy_AU = | pregnancy_category = | dependency_liability = | addiction_liability = | routes_of_administration = Oral | class = Serotonin receptor modulator; Serotonin 5-HT2A receptor agonist; Serotonergic psychedelic; Hallucinogen | ATC_prefix = None | ATC_suffix =
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).