MMDA-3a

MMDA-3a
Clinical data
Other names2-Methoxy-3,4-methylenedioxyamphetamine; 2-Methoxy-MDA; 2-MeO-MDA
Routes of
administration		Oral[1][2]
Drug classSerotonergic psychedelic; Hallucinogen
ATC code
  • None
Pharmacokinetic data
Duration of action10–16 hours[1][2]
Identifiers
  • 1-(4-methoxy-1,3-benzodioxol-5-yl)propan-2-amine
CAS Number
PubChem CID
ChemSpider
UNII
ChEMBL
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC11H15NO3
Molar mass209.245 g·mol−1
3D model (JSmol)
  • CC(CC1=C(C2=C(C=C1)OCO2)OC)N
  • InChI=1S/C11H15NO3/c1-7(12)5-8-3-4-9-11(10(8)13-2)15-6-14-9/h3-4,7H,5-6,12H2,1-2H3
  • Key:OSJXZWMDUMAITM-UHFFFAOYSA-N

MMDA-3a, also known as 2-methoxy-3,4-methylenedioxyamphetamine or as 2-methoxy-MDA, is a psychedelic drug of the amphetamine family.[1][2] It is the 2-methoxy derivative of 3,4-methylenedioxyamphetamine (MDA).[1] The drug produces hallucinogenic effects in humans.[1] Its dose is listed as 20 to 80 mg orally and its duration as 10 to 16 hours in Alexander Shulgin's book PiHKAL (Phenethylamines I Have Known and Loved).[1][2] A higher dose of 100 mg was also reportedly explored and doses of 80 to 100 mg were said to be very similar to 100 μg LSD.[1] The chemical synthesis of MMDA-3a has been described.[1][2] MMDA-3a is a positional isomer of MMDA and hence is a Schedule I controlled substance in the United States.[2] It is also a controlled substance in Canada under phenethylamine blanket-ban language.[3]

See also

References

  1. ^ a b c d e f g h Alexander T. Shulgin; Ann Shulgin (1991). "#134 MMDA-3a 2-METHOXY-3,4-METHYLENEDIOXYAMPHETAMINE". PiHKAL: A Chemical Love Story (1st ed.). Berkeley, CA: Transform Press. pp. 795–798. ISBN 978-0-9630096-0-9. OCLC 25627628.
  2. ^ a b c d e f Shulgin A, Manning T, Daley PF (2011). "#99. MMDA-3a". The Shulgin Index, Volume One: Psychedelic Phenethylamines and Related Compounds. Vol. 1. Berkeley, CA: Transform Press. pp. 240–241. ISBN 978-0-9630096-3-0. OCLC 709667010.
  3. ^ "Controlled Drugs and Substances Act". Department of Justice Canada. Retrieved 19 January 2026.
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