Date published: 2026-4-24

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Rexamino (CAS 52883-35-9)

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Application:
Rexamino is a metabolite of Levamisole
CAS Number:
52883-35-9
Purity:
≥97%
Molecular Weight:
162.19
Molecular Formula:
C9H10N2O
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Rexamino is a metabolite of Levamisole. Rexamino follows a sequence of chemical steps. Initially, an aldehyde and an amine react to produce an imine. Subsequently, this imine undergoes cyclization to generate the oxazole ring. Finally, the oxazole ring is reduced with sodium borohydride to yield the target compound.


Rexamino (CAS 52883-35-9) References

  1. Aminorex and rexamino as metabolites of levamisole in the horse.  |  Ho, EN., et al. 2009. Anal Chim Acta. 638: 58-68. PMID: 19298880
  2. Levamisole in cocaine: unexpected news from an old acquaintance.  |  Larocque, A. and Hoffman, RS. 2012. Clin Toxicol (Phila). 50: 231-41. PMID: 22455354
  3. Metabolism of levamisole and kinetics of levamisole and aminorex in urine by means of LC-QTOF-HRMS and LC-QqQ-MS.  |  Hess, C., et al. 2013. Anal Bioanal Chem. 405: 4077-88. PMID: 23436169
  4. Aminorex associated with possible idiopathic pulmonary hypertension in a cocaine user.  |  Karch, SB., et al. 2014. Forensic Sci Int. 240: e7-10. PMID: 24794740
  5. Levamisole: A High Performance Cutting Agent.  |  Solomon, N. and Hayes, J. 2017. Acad Forensic Pathol. 7: 469-476. PMID: 31239995
  6. Aminorex identified in horse urine following consumption of Barbarea vulgaris; a preliminary report.  |  Maylin, G., et al. 2019. Ir Vet J. 72: 15. PMID: 31890155
  7. Synthesis and characterization of d5 -barbarin for use in barbarin-related research.  |  Kudrimoti, S., et al. 2023. Drug Test Anal. 15: 42-46. PMID: 35975356
  8. Stimulus properties of some analogues of 4-methylaminorex.  |  Russell, BR., et al. 1995. Pharmacol Biochem Behav. 51: 375-8. PMID: 7667356

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Rexamino, 10 mg

sc-208305
10 mg
$296.00