Opioids
Cyclopropylfentanyl
Street names: CPF, Cyclopropyl fent
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Potent opioid euphoria
- Sedation
- Respiratory depression
⚠Key risks
- Potency comparable to fentanyl
- Linked to fatal overdose clusters in the US and Europe
- No safe dose without testing
✚Overdose signs
- Respiratory arrest
- Pinpoint pupils
- Blue lips and fingertips
Category comparison — Opioids
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Cyclopropylfentanyl | Schedule I | Potency comparable to fentanyl; Linked to fatal overdose clusters in the US and Europe | Rarely sold openly — appears as adulterant |
| Heroin | Schedule I | Extremely addictive — physical dependence in weeks; Overdose: breathing slows or stops | ~$10–$40 per bag |
| Fentanyl | Schedule II | Respiratory depression; Addiction in days | ~$20–$40 per counterfeit pill |
| Fentanyl HCl (powder) | Schedule II / analogue prosecutions | Lab-purity powder is far stronger than street mixes; Weighing errors are fatal | ~$60–$120/gram wholesale equivalent |
| Acetylfentanyl | Schedule I | ~5–15× weaker than fentanyl but still deadly at gram-level mistakes; Frequent cause of cluster overdoses | ~$25–$60/g where found |
| Furanylfentanyl (Fu-F) | Schedule I | Linked to hundreds of fatal overdoses 2016–2018; Potency similar to fentanyl | ~$20–$50/g |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does Cyclopropylfentanyl look like?
White powder, indistinguishable from heroin or fentanyl
What are the signs of a Cyclopropylfentanyl overdose?
Respiratory arrest; Pinpoint pupils; Blue lips and fingertips Call emergency services immediately and give naloxone if available — it reverses opioid overdoses.
How addictive is it?
Potency comparable to fentanyl Dependence can develop with regular use.