Suvarna Garge (Editor)

5 Methyl MDA

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Routes of administration  Oral
CAS Number  749191-14-8
ChemSpider  8188403
ATC code  none
PubChem CID  10012829
Molar mass  193.242 g/mol
Legal status  US: Analogue to a Schedule I/II drug (possibly, if human consumption intent can be proven)

5-Methyl-3,4-methylenedioxyamphetamine (5-Methyl-MDA) is an entactogen and psychedelic designer drug of the amphetamine class. It is a ring-methylated homologue of MDA and a structural isomer of MDMA.


Effects and research

Drug discrimination studies showed that 5-methyl-MDA substitutes for MDA, MMAI, and LSD, but not amphetamine, suggesting that it produces a mix of entactogen and hallucinogenic effects without any stimulant effects.

5-Methyl-MDA acts as a selective serotonin releasing agent (SSRA) with IC50 values of 107nM, 11,600nM, and 1,494nM for serotonin, dopamine, and norepinephrine efflux. It is over 5x more potent than MDA, with a suitable active dose possibly being around 15–25 mg. Subsequent testing, however, has found that it is not as potent as once thought and is active at at least 100mg. 2-Methyl-MDA is also much more potent than MDA, but is not quite as potent as 5-methyl-MDA. 6-methyl-MDMA (also known as Madam-6) is mostly inactive, likely due to steric hindrance.

Recent research has used data on 2-methyl-MDA and 5-methyl-MDA to help guide computer modeling of the serotonin transporter complex.


The synthesis of 5-methyl-MDA can be found online.

Legal status

5-Methyl-MDA is not scheduled by the United Nations' Convention on Psychotropic Substances.

United States

5-Methyl-MDA is not scheduled at the federal level in the United States, but it is possible that 5-Methyl-MDA could legally be considered an analog of MDA, in which case, sales or possession could potentially be prosecuted under the Federal Analogue Act.


5-Methyl-MDA Wikipedia

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