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20,369 samples completed from 41 states. Last updated Tuesday, March 31, 2026.
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805303

From Bronx, New York on October 17, 2024

Assumed to be heroin; fentanyl

This is a messy brew of 6 major substances:

  • caffeine
  • cocaine
  • 4-ANPP
  • 6-monoacetylmorphine (6-MAM)
  • heroin
  • fentanyl

And we also found traces of quinine. Trace substances in small quantities are usually harmless, but can sometimes cause health problems. Unexpected sensations may be due to these.

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 = gray, 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: 7.12 = caffeine

Peak: 8.4 = cocaine

Peak: 9.35 = 4-ANPP

Peak: 9.66 = 6-monoacetylmorphine (6-MAM)

Peak: 10.12 = heroin

Peak: 10.59 = fentanyl

Method(s): GCMS

Record for Sample 805303 last updated November 8, 2024