Date published: 2025-10-18

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Ritanserin (CAS 87051-43-2)

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Alternate Names:
Tiserton; Ritanserina
Application:
Ritanserin is potent and long-acting 5-HT2 receptor antagonist
CAS Number:
87051-43-2
Molecular Weight:
477.57
Molecular Formula:
C27H25F2N3OS
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
Available in US only.
* Refer to Certificate of Analysis for lot specific data.

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Ritanserin acts as a serotonin receptor antagonist. It binds to 5-HT2A and 5-HT2C receptors, blocking the action of serotonin. Ritanserin is a potent and long-acting SR-2A. Ritanserin functions by binding to serotonin receptors without activating them, effectively blocking serotonin from binding and activating these receptors. This mechanism of action is central to its ability to influence serotonin-mediated pathways. In the context of neurochemistry and molecular biology, ritanserin is used to study the role of serotonin receptors in cellular signaling and neurophysiological processes.


Ritanserin (CAS 87051-43-2) References

  1. Effects of ritanserin on ethanol withdrawal-induced anxiety in rats.  |  Gatch, MB., et al. 2000. Alcohol. 21: 11-7. PMID: 10946153
  2. Ritanserin reverses repeated methamphetamine-induced behavioral and neurochemical sensitization in mice.  |  Ago, Y., et al. 2007. Synapse. 61: 757-63. PMID: 17568413
  3. Ritanserin reduces abuse of alcohol, cocaine, and fentanyl in rats.  |  Meert, TF., et al. 1991. Pharmacopsychiatry. 24: 159-63. PMID: 1775520
  4. Effect of ritanserin and leuprolide alone and combined on marble-burying behavior of mice.  |  Gaikwad, U., et al. 2010. Acta Pol Pharm. 67: 523-7. PMID: 20873421
  5. Ritanserin-sensitive receptors modulate the prosocial and the anxiolytic effect of MDMA derivatives, DOB and PMA, in zebrafish.  |  Ponzoni, L., et al. 2016. Behav Brain Res. 314: 181-9. PMID: 27506653
  6. Dual activities of ritanserin and R59022 as DGKα inhibitors and serotonin receptor antagonists.  |  Boroda, S., et al. 2017. Biochem Pharmacol. 123: 29-39. PMID: 27974147
  7. Ritanserin, a serotonin-2 receptor antagonist, inhibits functional recovery after cerebral infarction.  |  Mizutani, K., et al. 2018. Neuroreport. 29: 54-58. PMID: 29135714
  8. Ritanserin, a novel agent targeting the mesenchymal subtype of glioblastomas.  |  Audia, A. and Bhat, KP. 2018. Neuro Oncol. 20: 151-152. PMID: 29365204
  9. Chemoproteomic Discovery of a Ritanserin-Targeted Kinase Network Mediating Apoptotic Cell Death of Lung Tumor Cells.  |  Campbell, ST., et al. 2018. Mol Pharmacol. 94: 1246-1255. PMID: 30158316
  10. Ritanserin and serotonergic mechanisms in blood pressure and fluid regulation in sheep.  |  Nelson, M., et al. 1987. Clin Exp Pharmacol Physiol. 14: 555-63. PMID: 3124998
  11. Ritanserin blocks CaV1.2 channels in rat artery smooth muscles: electrophysiological, functional, and computational studies.  |  Fusi, F., et al. 2020. Acta Pharmacol Sin. 41: 1158-1166. PMID: 32132658
  12. Identification of ritanserin analogs that display DGK isoform specificity.  |  Granade, ME., et al. 2022. Biochem Pharmacol. 197: 114908. PMID: 34999054
  13. Ritanserin pharmacokinetics in abstinent chronic alcoholics.  |  Estévez, F., et al. 1995. Medicina (B Aires). 55: 39-44. PMID: 7565034
  14. The 5-HT2 antagonist ritanserin decreases sleep in cats.  |  Sommerfelt, L. and Ursin, R. 1993. Sleep. 16: 15-22. PMID: 8456229
  15. Effects of ritanserin on haloperidol-induced dopamine (D2) receptor up-regulation in the rat.  |  Szczepanik, AM. and Wilmot, CA. 1997. Neurosci Lett. 231: 91-4. PMID: 9291148

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Ritanserin, 10 mg

sc-203681
10 mg
$87.00
US: Only available in the US

Ritanserin, 50 mg

sc-203681A
50 mg
$306.00
US: Only available in the US