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SummaryButyrfentanyl is a methylated fentanyl analog with no clinical indications but is commonly used as a recreational drug.
BackgroundButyrfentanyl or butyrylfentanyl (not to be confused with 3-methylfentanyl) is a potent short-acting synthetic opioid analgesic drug.1 It is an analog of fentanyl with roughly 1/30 the potency.6 Butyrfentanyl was first synthesized in 1961 by Janssen Pharmaceuticals as a new opioid analgesic.6
Butyrfentanyl has no current legitimate clinical applications, but anecdotal reports indicate it may occasionally be surfacing on the grey-market as a recreational drug.6 This compound is a schedule I controlled substance in the USA because it is a positional isomer of 3-Methylfentanyl.7
The DEA in the United States has confirmed at least 40 fatalities involving butyrfentanyl before May 2016.6
Butyrfentanyl powder is a substance often referenced in forensic and public health discussions related to opioid compounds. Given the serious risks associated with this class, it’s important to understand what butyrfentanyl is and why it raises significant safety concerns.
This article provides a clear, factual overview of butyrfentanyl, focusing on its chemical background, research context, and safety considerations.
Butyrfentanyl is a synthetic opioid compound structurally related to Fentanyl, a powerful medication used in clinical settings under strict medical supervision.
Key points:
The term “powder” refers only to its physical form.
From a chemistry standpoint, butyrfentanyl belongs to the fentanyl analog family, designed to interact with opioid receptors in the body.
Compounds in this class are associated with:
Mentions of butyrfentanyl powder are commonly found in:
These contexts are safety-focused and investigative, not therapeutic.
