5-(2-Aminopropyl)indole

5-(2-Aminopropyl)indole
Clinical data
Other names5-API; 5-IT; PAL-571; PAL571; Indolylaminopropane; 3,4-Pyrrolo[b]amphetamine
Routes of
administration
Oral
Drug classSerotonin–norepinephrine–dopamine releasing agent; Serotonin receptor modulator; Monoamine oxidase inhibitor; Stimulant
ATC code
  • None
Legal status
Legal status
Pharmacokinetic data
Duration of action12 hours
Identifiers
  • 1-(1H-indol-5-yl)propan-2-amine
CAS Number
PubChem CID
ChemSpider
UNII
CompTox Dashboard (EPA)
ECHA InfoCard100.236.959
Chemical and physical data
FormulaC11H14N2
Molar mass174.247 g·mol−1
3D model (JSmol)
  • CC(N)Cc2cc1cc[nH]c1cc2
  • InChI=1S/C11H14N2/c1-8(12)6-9-2-3-11-10(7-9)4-5-13-11/h2-5,7-8,13H,6,12H2,1H3 Y
  • Key:AULGMISRJWGTBA-UHFFFAOYSA-N Y
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5-(2-Aminopropyl)indole (5-API or 5-IT), also known as 3,4-pyrrolo[b]amphetamine or by the code name PAL-571, is an indole and amphetamine derivative with stimulant effects. Its preparation was first reported by Albert Hofmann in 1962. It is a designer drug that has been openly sold as a recreational drug by online vendors since 2011.