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25,182 samples completed from 43 states. Last updated Friday, October 23, 2026.
Data Use & Protection Statement
Spectra image for sample 804594

804594

From Portland, Oregon on July 1, 2024

Assumed to be fentanyl

This is a messy brew of 6 major substances:

  • N-phenylpropanamide
  • N-phenethyl-N-phenylpropionamide
  • 4-ANPP
  • ethyl 4-ANPP
  • fentanyl
  • bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate

Fentanyl is potent and the amount changes by batch. If you weren't expecting it, consider getting test strips online or from a harm reduction program. Carry naloxone (Narcan) to reverse overdoses. Don't use alone so someone can help if you go out.

There are a lot of different substances in this sample. We don't know the harms that some of these can cause. Be careful and be prepared for unexpected reactions.

Looks = white, rock, powder, chunky

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

Major substances in graph:

Peak: 5.5 = N-phenylpropanamide

Peak: 7.82 = N-phenethyl-N-phenylpropionamide

Peak: 9.39 = 4-ANPP

Peak: 9.54 = ethyl 4-ANPP

Peak: 10.65 = fentanyl

Peak: 12.88 = bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate

Method(s): GCMS

Record for Sample 804594 last updated July 22, 2024