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Library 4bromomethcathinone 4-Bromomethcathinone (4-BMC; brephedrone) is a brominated analog of methcathinone with a unique pharmacological profile among stimulant cat…

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Library 4cd 4C-D (Ariadne) is a rare psychedelic phenethylamine first synthesized by Alexander Shulgin in 1968. It was developed by Bristol Laboratorie…

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Library 4eapb

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Library 4emc 4-EMC is a synthetic stimulant and entactogen of the substituted cathinone class. It is a structural isomer of both 4-MEC and 3,4-DMMC. Ini…

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Library 4fa 4-FA is a synthetic substituted amphetamine that produces a distinctive combination of stimulant and entactogenic effects. It became commer…

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Library 4feph 4F-EPH is a novel research chemical with minimal human use history and unknown long-term toxicity. First reported death occurred in 2016 in…

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Library 4fmabp 4F-MABP is a little-studied fluorinated analogue of buphedrone first identified on the European NPS market in 2014. Animal data and seizure…

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Library 4methylphenethylamine 4-Methylphenethylamine (4MPEA), also known as para-methylphenethylamine, is an organic compound with the chemical formula of C9H13N. 4MPEA…

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Library 5aedb Practically no human research exists; all parameters are based on scattered user reports of 5-AEDB sold online between 2019-2024 and extrap…

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Library 5apb 5-APB is a synthetic entactogen of the benzofuran and substituted amphetamine classes that produces MDA-like empathogenic and stimulating e…

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Library 5apbnbome 5-APB-NBOMe, also known as N-(2-methoxybenzyl)-5-(2-aminopropyl)benzofuran, is a drug of the phenethylamine, amphetamine, benzofuran, and 2…

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Library 5apdb An entactogenic amphetamine stimulant with similar structure and effects to MDMA. An analogue of MDA, it is a highly selective serotonin re…

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Library 5eapb Extremely limited human data; doses above 140 mg strongly discouraged. Fatal case reported at ~500 mg combined with MDAI (blood concentrati…

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Library 5mapb 5-MAPB is a synthetic entactogen of the substituted benzofuran and amphetamine classes. It is the N-methylated form of 5-APB, structurally…

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Library 5mapdb 5-MAPDB is a dihydrobenzofuran entactogen first characterized by Monte et al. (1993) and pharmacologically profiled by Rickli et al. (2015)…

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Library 5mapdi 5-MAPDI is an entactogenic amphetamine derivative which is structurally related to MDMA as well as to dihydrobenzofuran derivatives such as…

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Library 5mbpb 5-MBPB is an amphetamine and phenylisobutylamine derivative which is structurally related to MDMA and has been sold as a designer drug. It…

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Library 5meo_tryptamine_nbome