Metonitazene Cas 14680-51-4

Metonitazene is an analytical reference standard categorized as an opioid.1 Metonitazene has analgesic effects in mice.2 Metonitazene is regulated as a Schedule I compound in the United States. This product is intended for research and forensic applications.

A forensic toxicology was conducted of metonitazene, a potent new synthetic opioid in the United States and other parts of the world. Metonitazene is considered a new psychoactive substance (NPS) and emerging potent synthetic opioid, causing increased public health concern beginning in 2020.

Formal Name	N,N-diethyl-2-[(4-methoxyphenyl)methyl]-5-nitro-1H-benzimidazole-1-ethanamine
CAS Number	14680-51-4
Molecular Formula	C21H26N4O3
Formula Weight	382.5
Purity	≥98%
Appearance:	white or off-white/beige powder
Formulation	A crystalline solid
Solubility	DMF: 25 mg/ml DMF:PBS (pH 7.2) (1:1): 0.5 mg/ml DMSO: 20 mg/ml Ethanol: 10 mg/ml