Nifoxipam

Nifoxipam (3-hydroxydesmethylflunitrazepam, DP 370) is a benzodiazepine that is a minor metabolite of flunitrazepam and has been sold online as a designer drug.[1][2][3][4][5][6][7][8][9]

Nifoxipam
Legal status
Legal status
Identifiers
  • 5-(2-fluorophenyl)-3-hydroxy-7-nitro-2,3-dihydro-1H-1,4-benzodiazepin-2-one
CAS Number
PubChem CID
ChemSpider
UNII
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC15H10FN3O4
Molar mass315.260 g·mol−1
3D model (JSmol)
  • O=C1C(O)N=C(C2=CC=CC=C2F)C3=CC([N+]([O-])=O)=CC=C3N1
  • InChI=1S/C15H10FN3O4/c16-11-4-2-1-3-9(11)13-10-7-8(19(22)23)5-6-12(10)17-14(20)15(21)18-13/h1-7,15,21H,(H,17,20)
  • Key:UHFIFTRHLBAWGY-UHFFFAOYSA-N

Nifoxipam produces strong tranquillising and sleep-prolonging effects and has much lower toxicity compared to lormetazepam and flunitrazepam in mice.[1]

See also

References
  1. EP 0158267, Posselt K, Wagener HH, Gruber K,, "Pharmaceutical composition containing 5-(2-fluorophenyl)-1,3-dihydro-3-hydroxy-7-nitro- or 5-(2-fluorophenyl)-1,3-dihydro-3-hydroxy-1-methyl-7-nitro-2H-1,4-benzodiazepin-2-one and process for their preparation", published 16 October 1985, assigned to Dolorgiet Beteiligungs-GmbH
  2. "Nifoxipam". New Synthetic Drugs Database.
  3. Kilicarslan T, Haining RL, Rettie AE, Busto U, Tyndale RF, Sellers EM (April 2001). "Flunitrazepam metabolism by cytochrome P450S 2C19 and 3A4". Drug Metabolism and Disposition. 29 (4 Pt 1): 460–5. PMID 11259331.
  4. Moosmann B, King LA, Auwärter V (June 2015). "Designer benzodiazepines: A new challenge". World Psychiatry. 14 (2): 248. doi:10.1002/wps.20236. PMC 4471986. PMID 26043347.
  5. Kevin Flemen (August 2015). "Drug Facts - Newer Unregulated Drugs" (PDF). KFx. Retrieved 15 August 2015.
  6. "Nifoxipam". WEDINOS.
  7. Meyer MR, Bergstrand MP, Helander A, Beck O (May 2016). "Identification of main human urinary metabolites of the designer nitrobenzodiazepines clonazolam, meclonazepam, and nifoxipam by nano-liquid chromatography-high-resolution mass spectrometry for drug testing purposes". Analytical and Bioanalytical Chemistry. 408 (13): 3571–91. doi:10.1007/s00216-016-9439-6. PMID 27071765. S2CID 25831532.
  8. Pettersson Bergstrand M, Helander A, Hansson T, Beck O (April 2017). "Detectability of designer benzodiazepines in CEDIA, EMIT II Plus, HEIA, and KIMS II immunochemical screening assays". Drug Testing and Analysis. 9 (4): 640–645. doi:10.1002/dta.2003. PMID 27366870.
  9. Katselou M, Papoutsis I, Nikolaou P, Spiliopoulou C, Athanaselis S (2016). "Metabolites replace the parent drug in the drug arena. The cases of fonazepam and nifoxipam". Forensic Toxicology. 35 (1): 1–10. doi:10.1007/s11419-016-0338-5. PMC 5214877. PMID 28127407.
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