Date published: 2025-12-18

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(S)-Norfluoxetine (CAS 126924-38-7)

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Alternate Names:
(S)-3-(4-Trifluoromethylphenoxy)-3-phenylpropylamine; Seproxetine
Application:
(S)-Norfluoxetine is a metabolite of Fluoxetine
CAS Number:
126924-38-7
Molecular Weight:
295.30
Molecular Formula:
C16H16F3NO
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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(S)-Norfluoxetine, a chiral metabolite of fluoxetine, is notable for its selective inhibition of the serotonin reuptake transporter (SERT), which plays a role in regulating serotonin levels in the synaptic cleft. By selectively binding to SERT, (S)-Norfluoxetine effectively increases the concentration of serotonin, a key neurotransmitter involved in mood regulation, in the synaptic gap, thereby modulating the signaling pathways associated with serotonin. This mechanism underscores its importance in research focused on understanding the complex dynamics of neurotransmitter regulation and the molecular underpinnings of neuropsychiatric disorders. Additionally, the specificity of (S)-Norfluoxetine for the SERT over other neurotransmitter transporters makes it useful in dissecting the roles of serotonin in various physiological and pathological processes, facilitating the development of more targeted and effective strategies for investigating the neural circuitry and molecular biology underlying neurological conditions.


(S)-Norfluoxetine (CAS 126924-38-7) References

  1. Chiral high-performance liquid chromatographic analysis of fluoxetine and norfluoxetine in rabbit plasma, urine, and vitreous humor using an acetylated beta-cyclodextrin column.  |  Yee, L., et al. 2000. J Anal Toxicol. 24: 651-5. PMID: 11043675
  2. Identification of the human cytochromes p450 responsible for in vitro formation of R- and S-norfluoxetine.  |  Ring, BJ., et al. 2001. J Pharmacol Exp Ther. 297: 1044-50. PMID: 11356927
  3. Plasma concentrations of the enantiomers of fluoxetine and norfluoxetine: sources of variability and preliminary observations on relations with clinical response.  |  Jannuzzi, G., et al. 2002. Ther Drug Monit. 24: 616-27. PMID: 12352933
  4. Comparison of norfluoxetine enantiomers as serotonin uptake inhibitors in vivo.  |  Fuller, RW., et al. 1992. Neuropharmacology. 31: 997-1000. PMID: 1279447
  5. A comparison of brain and serum pharmacokinetics of R-fluoxetine and racemic fluoxetine: A 19-F MRS study.  |  Henry, ME., et al. 2005. Neuropsychopharmacology. 30: 1576-83. PMID: 15886723
  6. Influence of CYP2C9, 2C19 and 2D6 genetic polymorphisms on the steady-state plasma concentrations of the enantiomers of fluoxetine and norfluoxetine.  |  Scordo, MG., et al. 2005. Basic Clin Pharmacol Toxicol. 97: 296-301. PMID: 16236141
  7. Fluoxetine and norfluoxetine stereospecifically and selectively increase brain neurosteroid content at doses that are inactive on 5-HT reuptake.  |  Pinna, G., et al. 2006. Psychopharmacology (Berl). 186: 362-72. PMID: 16432684
  8. Enantiospecific sublethal effects of the antidepressant fluoxetine to a model aquatic vertebrate and invertebrate.  |  Stanley, JK., et al. 2007. Chemosphere. 69: 9-16. PMID: 17582462
  9. The stereospecific determination of fluoxetine and norfluoxetine enantiomers in human plasma by high-pressure liquid chromatography (HPLC) with fluorescence detection.  |  Peyton, AL., et al. 1991. Pharm Res. 8: 1528-32. PMID: 1808619
  10. Enhanced fear responses in mice treated with anabolic androgenic steroids.  |  Agis-Balboa, RC., et al. 2009. Neuroreport. 20: 617-21. PMID: 19287318
  11. Determination of fluoxetine and norfluoxetine enantiomers in human plasma by polypyrrole-coated capillary in-tube solid-phase microextraction coupled with liquid chromatography-fluorescence detection.  |  Silva, BJ., et al. 2009. J Chromatogr A. 1216: 8590-7. PMID: 19879589
  12. S-norfluoxetine microinfused into the basolateral amygdala increases allopregnanolone levels and reduces aggression in socially isolated mice.  |  Nelson, M. and Pinna, G. 2011. Neuropharmacology. 60: 1154-9. PMID: 20971127
  13. A validated enantioselective assay for the simultaneous quantitation of (R)-, (S)-fluoxetine and (R)-, (S)-norfluoxetine in ovine plasma using liquid chromatography with tandem mass spectrometry (LC/MS/MS).  |  Chow, TW., et al. 2011. J Chromatogr B Analyt Technol Biomed Life Sci. 879: 349-58. PMID: 21242112
  14. Norfluoxetine enantiomers as inhibitors of serotonin uptake in rat brain.  |  Wong, DT., et al. 1993. Neuropsychopharmacology. 8: 337-44. PMID: 8512621

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

(S)-Norfluoxetine, 2.5 mg

sc-208373
2.5 mg
$316.00