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12,625 samples completed from 41 states. Last updated Friday, May 9, 2025.
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603235

From Durham, North Carolina on April 4, 2025

Assumed to be fentanyl

3 major substances detected:

  • diphenhydramine
  • medetomidine
  • promethazine

But we found lots of contaminants too, with traces of phenibut + phenothiazine + tianeptine + bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate. Trace substances in small quantities are usually harmless, but can sometimes cause health problems. Unexpected sensations may be due to these.

Looks = white, dull, chunky, powder

Need free supplies and advice to keep you safe? Find your nearest harm reduction program at harmreduction.org

Major substances in graph:

Peak: 7.15 = diphenhydramine

Peak: 7.42 = medetomidine

Peak: 8.63 = promethazine

Method(s): GCMS

Record for Sample 603235 last updated April 16, 2025