Clonitazene

Clonitazene
Clinical data
Other names	Clonitazene
ATC code	none;
Legal status
Legal status	BR: Class A1 (Narcotic drugs); CA: Schedule I; DE: Anlage I (Authorized scientific use only); UK: Class A; US: Schedule I;
Identifiers
	IUPAC name 2-[2-[(4-Chlorophenyl)methyl]-5-nitrobenzimidazol-1-yl]-N,N-diethylethanamine;
CAS Number	3861-76-5 ;
PubChem CID	62528;
DrugBank	DB01523 ;
ChemSpider	56301 ;
UNII	S90R21A2V2;
KEGG	D12668 ;
ChEMBL	ChEMBL2104616 ;
CompTox Dashboard (EPA)	DTXSID90191931 ;
Chemical and physical data
Formula	C20H23ClN4O2
Molar mass	386.88 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES [O-][N+](=O)c3ccc1c(nc(n1CCN(CC)CC)Cc2ccc(Cl)cc2)c3;
	InChI InChI=1S/C20H23ClN4O2/c1-3-23(4-2)11-12-24-19-10-9-17(25(26)27)14-18(19)22-20(24)13-15-5-7-16(21)8-6-15/h5-10,14H,3-4,11-13H2,1-2H3 ; Key:GPZLDQAEBHTMPG-UHFFFAOYSA-N ;
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Clonitazene is an opioid analgesic of approximately three times the potency of morphine.^[2] It is in the nitazene family of benzimidazoles related to etonitazene, an opioid of significantly higher potency. Clonitazene is not currently marketed. It is a controlled substance; in the United States it is a Schedule I Narcotic controlled substance with a DEA ACSCN of 9612 and an established manufacturing quota of 25 grams for 2022.