2C-T-21

2C-T-21
Clinical data
Other names4-(2-Fluoroethylthio)-2,5-dimethoxyphenethylamine; 2,5-Dimethoxy-4-(2-fluoroethylthio)phenethylamine
Routes of
administration
Oral
Drug classSerotonergic psychedelic; Hallucinogen
ATC code
  • None
Pharmacokinetic data
Duration of action7–10 hours
Identifiers
  • 2-{4-[(2-Fluoroethyl)sulfanyl]-2,5-dimethoxyphenyl}ethan-1-amine
CAS Number
PubChem CID
ChemSpider
UNII
ChEMBL
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC12H18FNO2S
Molar mass259.34 g·mol−1
3D model (JSmol)
  • COc1cc(SCCF)c(cc1CCN)OC
  • InChI=1S/C12H18FNO2S/c1-15-10-8-12(17-6-4-13)11(16-2)7-9(10)3-5-14/h7-8H,3-6,14H2,1-2H3 Y
  • Key:ZBUUUKBTOCTOPW-UHFFFAOYSA-N Y
 NY (what is this?)  (verify)

2C-T-21, also known as 4-(2-fluoroethylthio)-2,5-dimethoxyphenethylamine, is a psychedelic phenethylamine of the 2C family sometimes used as an entheogen. It was first synthesized by Alexander Shulgin.