Methiopropamine (MPA)Methiopropamine (MPA) is a thiophene ring-based structural analogue of methamphetamine. Chemically, it is not a phenethylamine or amphetamine, nor is it their functional analog.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).Physical effects Stimulation – In terms of its effects on the physical energy levels of the user, methiopropamine is usually considered to be mildly to moderately energetic and stimulating in a fashion that is considerably weaker in comparison to that of traditional recreational stimulants such as amphetamine, MDMA or cocaine. Spontaneous tactile sensations Increased heart rate Appetite suppression Increased perspiration Increased libido Temperature regulation suppression Teeth grindingCognitive effects Focus enhancement Cognitive euphoria Wakefulness Thought acceleration Thought organization Analysis enhancement Motivation enhancement Compulsive redosing Increased music appreciationMethiopropamine is sold for research purposes only and is not be utilized for any other purposes.