Parafluorofuranylfentanyl

para-Fluorofuranylfentanyl (FFF, p-F-Fu-F) is an opioid analgesic that is an analog of fentanyl and has been sold as a designer drug.^[2] As with other fentanyl analogues, parafluorofuranylfentanyl has significant side effects including itching, nausea and potentially serious respiratory depression, which can be life-threatening, and it has been linked to numerous deaths from overdose.^[3] It falls within the definition of Schedule I drugs in the USA under federal drug analogue legislation, and is specifically listed as a Schedule I drug in North Dakota.^[4]

Parafluorofuranylfentanyl

Legal status
Legal status	US: Schedule I[1]
Identifiers
IUPAC name N-(4-fluorophenyl)-N-[1-(2-phenylethyl)piperidin-4-yl]furan-2-carboxamide
CAS Number	1802489-71-9
PubChem CID	91825762
ChemSpider	44211060
UNII	FD4PG6KRQ8
CompTox Dashboard (EPA)	DTXSID301018394
Chemical and physical data
Formula	C24H25FN2O2
Molar mass	392.474 g·mol−1
3D model (JSmol)	Interactive image
SMILES C1CN(CCC1N(C2=CC=C(C=C2)F)C(=O)C3=CC=CO3)CCC4=CC=CC=C4
InChI InChI=1S/C24H25FN2O2/c25-20-8-10-21(11-9-20)27(24(28)23-7-4-18-29-23)22-13-16-26(17-14-22)15-12-19-5-2-1-3-6-19/h1-11,18,22H,12-17H2 Key:MGEQOAJOFFXWTR-UHFFFAOYSA-N

See also

• Furanylfentanyl
• Parafluorofentanyl
• List of fentanyl analogues