Observed arrival · 2026-09-25
The opioid a fentanyl strip may miss
A public-information page about cychlorphine, why common fentanyl and nitazene strips may not detect it, and routes to laboratory drug checking.
- For
- People checking drug samples and clinicians assessing suspected opioid overdoses
- Worth noticing
- It says one US company lists cychlorphine-specific strips on pre-order, but no independent accuracy data has been published.
Field notes
The page distinguishes strip tests from mass spectrometry and lists three routes: a mail-in UNC service for samples sent by harm-reduction programs, a North American service directory, and specialist toxicology panels for clinicians. Its source list names CFSRE, the Federal Register, UNODC, ACMT, and a journal article. The page also notes that cychlorphine-specific strips are only beginning to appear and says independent accuracy data is not yet available.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
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