Opioids
Cychlorphine
Street names: Cychlorphine HCl, N-propionitrile chlorphine
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Extremely potent opioid euphoria
- Long duration
⚠Key risks
- Reported potency hundreds of times morphine — among the strongest opioids in the 2024–25 supply
- Emerging cause of fatal overdoses in Europe and North America
- Standard fentanyl test strips do not detect it
✚Overdose signs
- Rapid respiratory arrest
- Pinpoint pupils
- Prolonged coma — needs multiple naloxone doses
Category comparison — Opioids
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Cychlorphine | Unscheduled analog | Reported potency hundreds of times morphine — among the strongest opioids in the 2024–25 supply; Emerging cause of fatal overdoses in Europe and North America | ~$80–$200/g from gray-market vendors |
| 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 Cychlorphine look like?
White crystalline powder sold by online opioid vendors
What are the signs of a Cychlorphine overdose?
Rapid respiratory arrest; Pinpoint pupils; Prolonged coma — needs multiple naloxone doses Call emergency services immediately and give naloxone if available — it reverses opioid overdoses.
How addictive is it?
Reported potency hundreds of times morphine — among the strongest opioids in the 2024–25 supply Dependence can develop with regular use.
🔗Sources & further reading
Facts on this page are compiled from these primary sources. External links open in a new tab.