Clonitazene

Clonitazene is an opioid analgesic of approximately three times the potency of morphine.[1] It is 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 annual manufacturing quota of zero.

Clonitazene

Clinical data
Other names	Clonitazene
ATC code	none
Legal status
Legal status	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^Y
PubChem CID	62528
DrugBank	DB01523^Y
ChemSpider	56301^Y
UNII	S90R21A2V2
ChEMBL	ChEMBL2104616^N
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^Y Key:GPZLDQAEBHTMPG-UHFFFAOYSA-N^Y
^NY (what is this?)  (verify)

References

1. Hunger A, Kebrle J, Rossi A, Hoffmann K (October 1957). "[Synthesis of analgesically active benzimidazole derivatives with basic substitutions]" [Synthesis of analgesically active benzimidazole derivatives with basic substitutions]. Experientia. 13 (10): 400–1. doi:10.1007/BF02161116. PMID 13473817. S2CID 32179439.