Date published: 2026-1-10

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Tandospirone hydrochloride (CAS 99095-10-0)

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Application:
Tandospirone hydrochloride is a SR-1A partial agonist
CAS Number:
99095-10-0
Purity:
≥98%
Molecular Weight:
419.95
Molecular Formula:
C21H30ClN5O2
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Anxiolytic agent. 5-HT1A receptor partial agonist (Ki = 27 nM) that displays selectivity over 5-HT2, 5-HT1C, α1, α2, D1 and D2 receptors (Ki values ranging from 1300-41000 nM). Inactive at 5-HT uptake sites, 5-HT1B, β-adrenergic, muscarinic and benzodiazepine receptors. Displays anxiolytic activity.


Tandospirone hydrochloride (CAS 99095-10-0) References

  1. Effects of tandospirone in three behavioral tests for anxiolytics.  |  Pollard, GT., et al. 1992. Eur J Pharmacol. 221: 297-305. PMID: 1358655
  2. Tandospirone and its metabolite, 1-(2-pyrimidinyl)-piperazine--I. Effects of acute and long-term administration of tandospirone on serotonin neurotransmission.  |  Godbout, R., et al. 1991. Neuropharmacology. 30: 679-90. PMID: 1681446
  3. Tandospirone, a 5-HT1A agonist, ameliorates movement disorder via non-dopaminergic systems in rats with unilateral 6-hydroxydopamine-generated lesions.  |  Matsubara, K., et al. 2006. Brain Res. 1112: 126-33. PMID: 16884702
  4. Paroxetine-induced bruxism effectively treated with tandospirone.  |  Kishi, Y. 2007. J Neuropsychiatry Clin Neurosci. 19: 90-1. PMID: 17308240
  5. Tandospirone in the treatment of generalised anxiety disorder and mixed anxiety-depression : results of a comparatively high dosage trial.  |  Nishitsuji, K., et al. 2004. Clin Drug Investig. 24: 121-6. PMID: 17516698
  6. Opposite effects of SSRIs and tandospirone in the treatment of REM sleep behavior disorder.  |  Takahashi, T., et al. 2008. Sleep Med. 9: 317-9. PMID: 17644482
  7. Involvement of the dorsal hippocampus in mediation of the antianxiety action of tandospirone, a 5-hydroxytryptamine1A agonistic anxiolytic.  |  Kataoka, Y., et al. 1991. Neuropharmacology. 30: 475-80. PMID: 1865994
  8. Efficacy of the 5-HT1A agonist tandospirone citrate in improving symptoms of patients with functional dyspepsia: a randomized controlled trial.  |  Miwa, H., et al. 2009. Am J Gastroenterol. 104: 2779-87. PMID: 19638966
  9. Analysis of tandospirone (SM-3997) interactions with neurotransmitter receptor binding sites.  |  Hamik, A., et al. 1990. Biol Psychiatry. 28: 99-109. PMID: 1974152
  10. Tandospirone suppresses impulsive action by possible blockade of the 5-HT1A receptor.  |  Ohmura, Y., et al. 2013. J Pharmacol Sci. 122: 84-92. PMID: 23707971
  11. The effects of AP521, a novel anxiolytic drug, in three anxiety models and on serotonergic neural transmission in rats.  |  Kasahara, K., et al. 2015. J Pharmacol Sci. 127: 109-16. PMID: 25704026
  12. Role of tandospirone, a 5-HT1A receptor partial agonist, in the treatment of central nervous system disorders and the underlying mechanisms.  |  Huang, X., et al. 2017. Oncotarget. 8: 102705-102720. PMID: 29254282
  13. Neural serotonergic circuits for controlling long-term voluntary alcohol consumption in mice.  |  Belmer, A., et al. 2022. Mol Psychiatry. 27: 4599-4610. PMID: 36195637
  14. Effects of K+ channel blockers and openers on antinociception induced by agonists of 5-HT1A receptors.  |  Robles, LI., et al. 1996. Eur J Pharmacol. 295: 181-8. PMID: 8720582
  15. Effects of tandospirone on second messenger systems and neurotransmitter release in the rat brain.  |  Tanaka, H., et al. 1995. Gen Pharmacol. 26: 1765-72. PMID: 8745167

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Tandospirone hydrochloride, 10 mg

sc-204320
10 mg
$132.00

Tandospirone hydrochloride, 50 mg

sc-204320A
50 mg
$559.00