List of fentanyl analogues

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The following is a list of <a href="/facts/Fentanyl/MMD9GdD3">fentanyl</a> <a href="/facts/Structural_analog/3aysWSVG">analogues</a> (sometimes referred to as Fentalogs), and includes both compounds developed by pharmaceutical companies for legitimate medical use, and those which have been sold as <a href="/facts/Designer_drug/QWFd3KV4">designer drugs</a>. The latter have been reported to national drug control agencies such as the <a href="/facts/Drug_Enforcement_Administration/qGQpHNB8">DEA</a>, and some to transnational agencies such as the <a href="/facts/EMCDDA/YYgqD8kz">EMCDDA</a> and <a href="/facts/UNODC/6DxttWVq">UNODC</a>. This is not a comprehensive or exhaustive list of fentanyl analogues, as more than 1400 compounds from this family have been described in the scientific and patent literature. However, this list does include many notable compounds that have reached late-stage human clinical trials, and compounds which have been sold as designer drugs, as well as representative examples of significant structural variations reported in the scientific and patent literature. The structural variations among fentanyl analogues can impart profound pharmacological differences between each other, especially regarding potency and efficacy.
</p><p>In the United States, the <a href="/facts/Drug_Enforcement_Administration/qGQpHNB8">Drug Enforcement Administration</a> (DEA) placed the class of "Fentanyl-Related Substances" on the <a href="/facts/List_of_Schedule_I_drugs_(US)/FG3jg7la">list of Schedule I drugs</a> in 2018, making it illegal to manufacture, distribute, or possess fentanyl analogs, with very broad terminology being used in its scheduling. Regarding the temporary control of fentanyl-related substances, Schedule I was extended through December 31, 2024 by Public Law 117-328.
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List of fentanyl analogues open-in-new

List of fentanyl analogues