Butyrylfentanyl – CAS 1169-70-6

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Butyrylfentanyl – CAS 1169-70-6


Butyryl fentanyl or Butyrfentanyl [CAS 1169-70-6] is a less potent opioid-agonist than fentanyl. is a short-acting synthetic opioid and a fentanyl analog, although it’s only 1/4 the potency of fentanyl. Side effects of fentanyl analogs are similar to those of fentanyl itself, which include itchingnausea, and potentially serious respiratory depression which can be life-threatening.



Product reference number FEN-1725-FB
Full chemical name N-(1-Phenethylpiperidin-4-yl)-N-phenylbutyramide
Formula C23H30N2O
Molecular weight 350.51
CAS Number 1169-70-6
DEA No. 9822 CI
Appearance white to off-white crystalline powder
IR IR corresponds
NMR corresponds to structure
MS MH+ corresponds
UV max [nm] (mol, solvent) 202.0 ± 1.0 (26000 ± 2000, methanol)
Melting point [Celsius] 94 ± 3
HPLC purity [%] > 98.5
Water content [%] < 1

This product is intended for research and forensic applications.


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