|Oral, Insufflated, Rectal|
|Chemical and physical data|
|Molar mass||189.25 g/mol (freebase)|
225.7 g/mol (HCl salt) g·mol−1
|3D model (JSmol)|
As of October 2015 5-MAPB is a controlled substance in China.
5-MAPB was originally banned in the UK in June 2013 under a Temporary class drug order. On March 5, 2014 the UK Home Office announced that 5-MAPB would be made a class B drug on 10 June 2014 alongside every other benzofuran entactogen and many structurally related drugs.
Metabolism and toxicity
Little formal knowledge exists on 5-MAPB. It does not share the neurotoxicity of MDMA or MDA caused by the alpha-methyldopamine metabolite. A study in rats indicated that the major metabolites of 5-MAPB are 5-APB and 3-carboxymethyl-4-hydroxymethamphetamine.
5-MAPB binds to the dopamine transporter in rat brain cells with a lower potency than cocaine. In silico data suggests that the primary action on dopamine is through reversal of the transporter to release dopamine. This is consistent with the effects and it is likely that it exerts a similar action on serotonin and norepinephrine transporters.
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- "'NBOMe' and 'Benzofury' banned". UK Home Office. 2013-06-04. Retrieved 10 April 2014.
- UK Home Office (2014-03-05). "The Misuse of Drugs Act 1971 (Ketamine etc.) (Amendment) Order 2014". UK Government. Retrieved 2014-03-11.
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- Welter, Jessica; Kavanagh, Pierce; Meyer, Markus R.; Maurer, Hans H. (2014). "Benzofuran analogues of amphetamine and methamphetamine: Studies on the metabolism and toxicological analysis of 5-APB and 5-MAPB in urine and plasma using GC-MS and LC-(HR)-MSn techniques". Analytical and Bioanalytical Chemistry. 407 (5): 1371–88. doi:10.1007/s00216-014-8360-0. PMID 25471293.
- Sahai, Michelle A; Davidson, Colin; Khelashvili, George (2016). "Combined in vitro and in silico approaches to the assessment of stimulant properties of novel psychoactive substances – The case of the benzofuran 5-MAPB". Progress in Neuro-Psychopharmacology and Biological Psychiatry. 75: 1–9. doi:10.1016/j.pnpbp.2016.11.004.