Buy Carfentanil Powder | Carfentanil Powder for Sale
What is carfentanil?
Carfentanil powder is an analogue of the synthetic opioid analgesic fentanyl.
Carfentanil is:
- 100 times stronger than the same amount of fentanyl
- 1.000 times stronger than heroin (by weight)
- A structural analogue of fentanyl
- A remedy with short duration of action and rapid onset of action
- Significantly more potent in its effect than other known opioids
- Used in veterinary medicine as an anesthetic for large animals
special feature: Carfentanil reduces pain response in rats more effectively than any other opioid.
Origin and development
- First synthesis: 1974
- Developed by: A team at Janssen Pharmaceutica
- Person involved: Paul Jansen
- Trade name in veterinary medicine: Wild Nile
Potency in comparison
| substance | Relative potency compared to morphine (weight) | Remark |
|---|---|---|
| Morphine | 1x | Underlying value |
| Fentanyl | 100x | |
| Carfentanil | 10.000x | Effect starts from 1 microgram |
| Sufentanil | 500-1000x | Less potent than carfentanil |
Note: Carfentanil is not intended for human use due to its extreme potency.
Effect and receptor binding
Carfentanil/carfentanyl acts primarily as an agonist at the mu-opioid receptors.
Other receptors:
- Kappa receptors
- Delta receptors
- NMDA receptors
- Nicotinic acetylcholine receptors
Neurotransmitter release:
- Endorphine
- Serotonin
- Norepinephrine
- Adrenalin
Mechanism: In addition to opioid binding, carfentanil inhibits the reuptake of serotonin and noradrenaline.
Toxicity and lethal dose
| substance | Lethal dose (intravenous) | Overdose mortality rate |
|---|---|---|
| Carfentanil | 20 micrograms | > 90% |
| Cocaine | 1,2 mg | |
| Heroin | 75 mg |
Carfentanil is considered one of the deadliest substances in existence; even tiny doses are potentially fatal.
International availability and legal status
- In most countries Carfentanil illegal
- Anonymous online orders are recorded in Canada and Australia
- Partial use in research and veterinary medicine under strict regulation


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