Isotonitazene

Chemical compound From Wikipedia, the free encyclopedia

Isotonitazene is a synthetic opioid analgesic drug from the nitazene class and structural homolog of etonitazene,[3][4][5] which has been sold as a designer drug.[6][7][8] It has only around half the potency of etonitazene in animal studies,[3][9][10][11][12][13][14] but it is likely even less potent in humans as was seen with etonitazene (1000 times as potent as morphine in animal models yet only 60 times as potent in humans).[3] Isotonitazene (obtained from an online vendor) was fully characterized in November 2019 in a paper where the authors performed a full analytical structure elucidation in addition to determination of the potency at the μ-opioid receptor using a biological functional assay in vitro. While isotonitazene was not compared directly to morphine in this assay, it was found to be around 2.5 times more potent than hydromorphone and slightly more potent than fentanyl.[3][15]

Routes of
administrationBy mouth, nasal spray, e-vape
Legal status
CAS Number
PubChem CID
Quick facts Clinical data, Routes ofadministration ...
Isotonitazene
Clinical data
Routes of
administration		By mouth, nasal spray, e-vape
Legal status
Legal status
Identifiers
  • N,N-diethyl-2-[2-[(4-isopropoxyphenyl)methyl]-5-nitro-benzimidazol-1-yl]ethanamine
CAS Number
PubChem CID
ChemSpider
UNII
KEGG
ChEBI
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC23H30N4O3
Molar mass410.518 g·mol−1
3D model (JSmol)
  • CCN(CCn1c(Cc2ccc(cc2)OC(C)C)nc2c1ccc(c2)N(=O)=O)CC
  • InChI=1S/C23H30N4O3/c1-5-25(6-2)13-14-26-22-12-9-19(27(28)29)16-21(22)24-23(26)15-18-7-10-20(11-8-18)30-17(3)4/h7-12,16-17H,5-6,13-15H2,1-4H3
  • Key:OIOQREYBGDAYGT-UHFFFAOYSA-N
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Side effects

Side effects of benzimidazole derived opioids are likely to be similar to those of fentanyl, which include itching, nausea and potentially serious respiratory depression, which can be life-threatening.[16]

Isotonitazene has been detected in multiple fatalities in Europe since March 2019[17] and in the U.S. since August 2019, as reported by NPS Discovery, the Center for Forensic Science Research and Education, and NMS Labs.[18][19]

Legal status

The US Drug Enforcement Administration issued a notice of intent to publish a temporary order to schedule isotonitazene in Schedule I of the Controlled Substances Act,[20] which came into effect on 20 August 2020.[21]

See also

References

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