MMDA-3a

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]

Other names2-Methoxy-3,4-methylenedioxyamphetamine; 2-Methoxy-MDA; 2-MeO-MDA

Routes of
administrationOral^[1][2]

Drug classSerotonergic psychedelic; Hallucinogen

ATC code

• None

Quick facts Clinical data, Other names ...

MMDA-3a

Clinical data
Other names	2-Methoxy-3,4-methylenedioxyamphetamine; 2-Methoxy-MDA; 2-MeO-MDA
Routes of administration	Oral[1][2]
Drug class	Serotonergic psychedelic; Hallucinogen
ATC code	None
Pharmacokinetic data
Duration of action	10–16 hours[1][2]
Identifiers
IUPAC name 1-(4-methoxy-1,3-benzodioxol-5-yl)propan-2-amine
CAS Number	23693-19-8
PubChem CID	90967
ChemSpider	82148
UNII	NY37N4M4KW
ChEMBL	ChEMBL127603
CompTox Dashboard (EPA)	DTXSID60946495
Chemical and physical data
Formula	C11H15NO3
Molar mass	209.245 g·mol−1
3D model (JSmol)	Interactive image
SMILES CC(CC1=C(C2=C(C=C1)OCO2)OC)N
InChI 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

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