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25,316 samples completed from 43 states. Last updated Tuesday, October 27, 2026.
Data Use & Protection Statement
Spectra image for sample 300551

300551

From Charlotte, North Carolina on April 17, 2023

Assumed to be fentanyl; MDMA

Only 1 major substance detected:

  • N,N-dimethylpentylone

But we found lots of contaminants too, with traces of methamphetamine + 1,3-Diacetin + xylazine + despropionyl p-fluorofentanyl + p-fluorofentanyl + fentanyl + bromazolam. Trace substances in small quantities are usually harmless but can sometimes cause health problems. Unexpected sensations may be due to these. The trace designation indicates the conclusive identification of the substance at a relatively low abundance compared to the sample's primary component(s). A substance is designated as "trace" when the peak height is less than 5% of the height of the most abundant peak detected in the sample.

There were just traces of fentanyl. This could have been contamination, like if drugs were stored in old bags. But since fentanyl is so potent you should be prepared. Consider getting fentanyl test strips online or from a harm reduction program if you weren't expecting it. Carry naloxone (Narcan) to reverse overdoses. Even traces of fentanyl could be a problem if you don't use opioids regularly. Don't use alone so someone can help if you go out.

Xylazine causes serious skin problems. These can happen anywhere on the body and don't heal quickly. And, xylazine can come on stronger than traditional dope and knock you out, so be mindful of your surroundings. It's best to avoid dope with xylazine. You might need medical attention to prevent long-term damage.

Looks = white, crystals

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

Major substances in graph:

Peak: 7.02 = N,N-dimethylpentylone

Method(s): GCMS

Record for Sample 300551 last updated May 15, 2023