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Many of the older designer drugs (research chemicals) are structural analogues of psychoactive tryptamines or phenethylamines but there are many other chemically unrelated new psychoactive substances that can be considered part of the designer drug group.
U-47700, also known as U4, pink heroin, pinky, and pink, is an opioid analgesic drug developed by a team at Upjohn in the 1970s [1] which has around 7.5 times the potency of morphine in animal models.
This is a list of fentanyl analogues (sometimes referred to as Fentalogs), [1] [2] [3] including both compounds developed by pharmaceutical companies for legitimate medical use, and those which have been sold as designer drugs and reported to national drug control agencies such as the DEA, or transnational agencies such as the EMCDDA and UNODC.
This is an accepted version of this page This is the latest accepted revision, reviewed on 26 October 2024. Section of the United States Controlled Substances Act This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Federal Analogue Act" – news ...
Previously many drugs had been sold as patent medicines with secret ingredients or misleading labels. Cocaine, heroin, cannabis, and other such drugs continued to be legally available without prescription as long as they were labeled. It is estimated that sale of patent medicines containing opiates decreased by 33% after labeling was mandated. [17]
A lipophilic chemical that can easily cross the blood–brain barrier, carfentanil has a very rapid onset of action and is longer acting than fentanyl. [ 3 ] : 9 Its elimination half-life in humans was 42 to 51 minutes following an intravenous bolus at an average dose of 1.34 μg (19 ng/kg).
The FDA said it found evidence the companies' websites offer the products, labeled for "research use only", for sale in the United States accompanied by claims such as weight loss, reducing the ...
Drug precursors, also referred to as precursor chemicals or simply precursors, are substances used to manufacture illicit drugs. Most precursors also have legitimate commercial uses and are legally used in a wide variety of industrial processes and consumer products, such as medicines, flavourings, and fragrances.