4-Fluorobutyrfentanyl
Typical Dose 600-900 ug
Duration 30 min - 1h
Interaction Risk Unknown
Description
Rare, little known and extremely potent RC analogue of Fentanyl. This powerful opioid is generally only dispensed as a nasal spray. Handle with extreme caution and never mix with other depressants.
Effects & Dosing
Dosage
Oral
| Light | Common | Strong |
|---|---|---|
| 300-300 ug | 600-900 ug | 900-1200 ug |
Duration
Oral
Total Duration 30 min - 1h
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