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Library 4fluorobutyrfentanyl 4-Fluorobutyrfentanyl is a potent synthetic opioid and analog of butyrfentanyl that has been sold online as a designer drug. It is closely…

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Library 4fluorophenibut 4-Fluorophenibut is a fluorinated analog of phenibut, reported to be 5-10 times more potent with faster onset and shorter duration. It acts…

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Library 4hydroxyphenazepam

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Library 4meobutyrfentanyl 4-MeO-Butyrfentanyl is a rare synthetic opioid and analogue of fentanyl, distinct from the related compound butyrfentanyl. It is classified…

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Library 4methoxybutyrfentanyl 4-MeO-BF is a highly potent fentanyl analogue first identified in Europe in 2015. Fatal blood concentrations have ranged 2-18 ng/mL, only m…

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Library 4methylpregabalin

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Library 5chloro_desmethylchlorphine

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Library 5methyl_etodesnitazene

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Library 6mam 6-MAM is the primary active metabolite of heroin and is responsible for heroin's characteristic rapid rush and intense euphoria. It crosses…

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Library 6mddm Semisynthetic opioid that is a derivative of Hydromorphone with little history of human use. Roughly around ~80x the potency of Morphine. S…

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Library 6methyl_desnitroetonitazene

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Library 7oh Present only at ≈0.6 % in kratom leaf, bulk 7-OH sold today is semisynthetic. Community assays reveal large potency discrepancies between c…

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Library 8aminoclonazolam

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Library absinthe Absinthe is a distilled spirit infused with herbs including the thujone-containing Artemisia absinthium. Many describe its effects as signi…

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Library aceburic_acid Aceburic acid is rapidly hydrolyzed by plasma esterases to gamma-hydroxybutyrate (GHB) within approximately 5-10 minutes, functioning as a…

Library acetorphine Acetorphine is an extremely potent synthetic opioid analgesic, up to 8700 times stronger than morphine by weight. It is a derivative of eto…

Library acetylcodeine 6-Monoacetylcodeine (6-MAC) is an acetate ester of codeine in which the hydroxyl group on the 6 position has been acetylated. It is occasio…

Library acetyldihydrocodeine Dihydrocodeine is a semi-synthetic opioid analgesic of the morphinan class. Developed in Germany in 1908 and first marketed in 1911, it was…

Library acetylfentanyl Acetylfentanyl is a synthetic opioid of the anilidopiperidine class and a structural analog of fentanyl. Originally described in the 1960s…

Library acrylfentanyl Acrylfentanyl is a synthetic opioid of the anilinopiperidine class and a structural analog of fentanyl that has been sold online as a desig…