Crotonylfentanyl

Crotonylfentanyl
Legal status
Legal status	BR: Class F1 (Prohibited narcotics); CA: Schedule I; DE: Anlage II (Authorized trade only, not prescriptible); UK: Class A; UN: Narcotic Schedule I;
Identifiers
	IUPAC name (2E)-N-Phenyl-N-[1-(2-phenylethyl)-4-piperidinyl]-2-butenamide;
CAS Number	760930-59-4 ;
PubChem CID	10472960;
ChemSpider	8648371;
UNII	R0XLG8CO63;
KEGG	C22759;
Chemical and physical data
Formula	C23H28N2O
Molar mass	348.490 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES O=C(/C=C/C)N(c1ccccc1)C3CCN(CCc2ccccc2)CC3;
	InChI InChI=1S/C23H28N2O/c1-2-9-23(26)25(21-12-7-4-8-13-21)22-15-18-24(19-16-22)17-14-20-10-5-3-6-11-20/h2-13,22H,14-19H2,1H3/b9-2+; Key:VDYXGPCGBKLRDA-XNWCZRBMSA-N; ; InChI=1/C23H28N2O/c1-2-9-23(26)25(21-12-7-4-8-13-21)22-15-18-24(19-16-22)17-14-20-10-5-3-6-11-20/h2-13,22H,14-19H2,1H3/b9-2+; Key:VDYXGPCGBKLRDA-XNWCZRBMBF;

Crotonylfentanyl is an opioid analgesic that is an analog of fentanyl and structural isomer of cyclopropylfentanyl^[1] and has been sold online as a designer drug.^[2]^[3] In December 2019, the UNODC announced scheduling recommendations placing crotonylfentanyl into Schedule I.^[4]

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