Buy Methiopropamine (MPA)


Methiopropamine is a thiophene ring-based structural analog of methamphetamine originally reported in 1942. Chemically it is not a phenethylamine or amphetamine and is not their functional analog either. .
Molar mass155.261 g/mol
ChemSpider ID385727
Other namesMPA; Methiopropamine; Methedrene; Syndrax
PubChem CID436156
SKU: 563850 Category: Tags: , ,


Methiopropamine (also known as MPA) is a stimulant substance of the thiophene class. It is a ring-based structural analogue of methamphetamine.

Methiopropamine was first synthesized in 1942.. It appeared for public sale in the U.K. in December 2010 as a research chemical or legal high, recently branded as “Blow”..

Subjective effects are reportedly similar to those of classical stimulants and includes stimulationfocus enhancementmotivation enhancementincreased libidoappetite suppression, and euphoria. However, it is generally considered to be as euphoric or recreational as classical stimulants. It is occasionally reported to be used as a study aid.

Limited data exists about the pharmacology and toxicity of methiopropamine in humans, and it has only a short history of human use. It is highly advised to use harm reduction practices if using this substance.


Methiopropamine, or 1-(thiophen-2-yl)-2-methylaminopropane, is a synthetic molecule of the thiophene class. It is a structural analogue to methamphetamine. It contains a thiophene ring bound to an amino (NH2) group through an ethyl chain with an additional methyl substitution at Rα. Methiopropamine contains an additional methyl substitution at RN (similarly to MDMA and methamphetamine). Although methiopropamine is analogous to methamphetamine, it is neither an amphetamine nor a phenethylamine as methiopropamine contains a thiophene ring instead of a benzene ring. Thiophene is a five-membered aromatic ring with a sulphur constituent.


Methiopropamine functions as a selective norepinephrinedopamine releasing agent. This allows dopamine and norepinephrine to accumulate within the brain, resulting in stimulating and euphoric effects. It is approximately one third as potent as dextroamphetamine as a norepinephrine reuptake inhibitor and one fifth as much as a dopamine reuptake inhibitor. It displays negligible activity as a serotonin reuptake inhibitor..


Threshold 10 mg
Light 20 – 30 mg
Common 30 – 50 mg
Strong 50 – 60 mg
Heavy 60 mg +
Total 6 – 10 hours
Onset 30 – 60 minutes
Peak 2 – 4 hours
Offset 2 – 3 hours
After effects 1 – 2 hours
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Additional information


20g, 50g, 100g, 500g, 1kg


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