Library buprenorphine Buprenorphine is a semisynthetic opioid of the morphinan class, first discovered in 1966 at Reckitt & Colman's research laboratories in Eng…

Library butonitazene Butonitazene is a benzimidazole derivative with opioid effects, which has been sold over the internet as a designer drug. It has relatively…

Library butyrfentanyl Butyrfentanyl is a potent short-acting synthetic opioid and analog of fentanyl, possessing approximately one quarter of its parent compound…

Library canadine Canadine, also known as (S)-tetrahydroberberine and xanthopuccine, is a benzylisoquinoline alkaloid (BIA), of the protoberberine structural…

Library carfentanil Carfentanil or carfentanyl, formerly sold under the brand name Wildnil, is an extremely potent opioid analgesic formerly used in veterinary…

Library carfentanyl Carfentanil or carfentanyl, formerly sold under the brand name Wildnil, is an extremely potent opioid analgesic formerly used in veterinary…

Library chlorphine

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Library cis3methylfentanyl

Library clonitazene An opioid that is roughly three times as potent as Morphine. Is related to Etonitazene, which is about 1000-1500x the potency of Morphine.

Library codeine Codeine is a naturally occurring opiate alkaloid found in the opium poppy (*Papaver somniferum*), first discovered by Pierre Jean Robiquet…

Library crotonylfentanyl Crotonylfentanyl is an opioid analgesic that is an analog of fentanyl and structural isomer of cyclopropylfentanyl and has been sold online…

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Library cychlorphine Cychlorphine is a synthetic opioid chemical compound which has been sold as a designer drug, cited in several autopsies, and reported in fi…

Library cyclazocine Cyclazocine is a mixed opioid agonist/antagonist related to dezocine, pentazocine and phenazocine. It is in the benzomorphan and benzazocin…

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Library cyclopentylfentanyl An analogue of fentanyl that is unknown in literature, seems to be less potent than its former being Acetyl-Fentanyl. Yet reports have yet…

Library cyclopropylfentanyl Cyclopropylfentanyl is an opioid analgesic that is an analog of fentanyl and has been sold as a designer drug. Between June and December 20…

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Library desnitroclonitazene

Library desomorphine Desomorphine is a semi-synthetic opioid of the morphinan class, first synthesized in the early 1930s and marketed by Roche under the trade…

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Library despropionyl2fluoro_fentanyl

Library dextromoramide Dextromoramide, a rare and powerful opioid analgesic approximately three times as potent as morphine with a shorter duration. Generally onl…

Library dextropropoxyphene Dextropropoxyphene (also known as Propoxyphene and Darvon) is a synthetic opioid of the phenylpropylamine chemical class. Like other substa…