Date published: 2026-2-13

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Loxapine N-Oxide (CAS 25967-34-4)

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Alternate Names:
2-Chloro-11-(4-methyl-1-piperazinyl)dibenz[b,f][1,4]oxazepine, Succinate
CAS Number:
25967-34-4
Molecular Weight:
343.81
Molecular Formula:
C18H18ClN3O2
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Loxapine N-oxide, also known as 8-Hydroxyloxapine, is a metabolite of the antipsychotic medication loxapine. It is formed in the liver through the oxidation of loxapine. While loxapine is the active component responsible for the therapeutic effects, loxapine N-oxide is considered to have minimal pharmacological activity.


Loxapine N-Oxide (CAS 25967-34-4) References

  1. Validation of HPLC-MS/MS methods for analysis of loxapine, amoxapine, 7-OH-loxapine, 8-OH-loxapine and loxapine N-oxide in human plasma.  |  Zimmer, JS., et al. 2010. Bioanalysis. 2: 1989-2000. PMID: 21110742
  2. In vitro identification of the human cytochrome p450 enzymes involved in the oxidative metabolism of loxapine.  |  Luo, JP., et al. 2011. Biopharm Drug Dispos. 32: 398-407. PMID: 21826677
  3. Addressing the need for rapid treatment of agitation in schizophrenia and bipolar disorder: focus on inhaled loxapine as an alternative to injectable agents.  |  Citrome, L. 2013. Ther Clin Risk Manag. 9: 235-45. PMID: 23723707
  4. Loxapine inhalation powder (adasuve): a new and innovative formulation of an antipsychotic treatment for agitation.  |  Valdes, J., et al. 2014. P T. 39: 621-3, 648. PMID: 25210413
  5. Simultaneous quantification of loxapine, loxapine N-oxide, amoxapine, 8-hydroxyloxapine and 7-hydroxyloxapine in human plasma using LC-MS/MS.  |  Meng, M., et al. 2017. J Chromatogr B Analyt Technol Biomed Life Sci. 1046: 87-97. PMID: 28152454
  6. Pharmacokinetics and Safety of Single-Dose Inhaled Loxapine in Children and Adolescents.  |  Selim, S., et al. 2017. J Clin Pharmacol. 57: 1244-1257. PMID: 28510296

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Loxapine N-Oxide, 10 mg

sc-489308
10 mg
$372.00