Date published: 2026-4-4

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Bufotalin (CAS 471-95-4)

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Alternate Names:
(3β,5β,16β)-16-(Acetyloxy)-3-,14-dihydroxybufa-20,22-dienolide; 3β,14,16β-Trihydroxy-5β bufa-20,22-dienolide 16-acetate
Application:
Bufotalin is a Na+/K+-ATPase inhibitor and potent immunosuppressor
CAS Number:
471-95-4
Purity:
≥98%
Molecular Weight:
444.6
Molecular Formula:
C26H36O6
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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Bufotalin is a less potent Na+/K+-ATPase inhibitor than other bufadienolides. Potent immunosuppressor. Bufotalin is a peptide naturally present in the venom of the toad species Bufo bufo. This small molecule comprises 16 amino acids and belongs to the group of peptides called bufotoxins.


Bufotalin (CAS 471-95-4) References

  1. Involvement of caspases and apoptosis-inducing factor in bufotalin-induced apoptosis of Hep 3B cells.  |  Su, CL., et al. 2009. J Agric Food Chem. 57: 55-61. PMID: 19055367
  2. Microbial transformation of bufotalin by Alternaria alternata AS 3.4578.  |  Xin, XL., et al. 2009. J Asian Nat Prod Res. 11: 7-11. PMID: 19180348
  3. Plasma pharmacokinetics and tissue distribution of bufotalin in mice following single-bolus injection and constant-rate infusion of bufotalin solution.  |  Yu, CL. and Hou, HM. 2011. Eur J Drug Metab Pharmacokinet. 35: 115-21. PMID: 21302038
  4. Bufotalin sensitizes death receptor-induced apoptosis via Bid- and STAT1-dependent pathways.  |  Waiwut, P., et al. 2012. Int J Oncol. 40: 203-8. PMID: 21887462
  5. Bufotalin from Venenum Bufonis inhibits growth of multidrug resistant HepG2 cells through G2/M cell cycle arrest and apoptosis.  |  Zhang, DM., et al. 2012. Eur J Pharmacol. 692: 19-28. PMID: 22841670
  6. Bufotalin-induced apoptosis in osteoblastoma cells is associated with endoplasmic reticulum stress activation.  |  Zhu, YR., et al. 2014. Biochem Biophys Res Commun. 451: 112-8. PMID: 25068992
  7. Bufadienolides induce p53-mediated apoptosis in esophageal squamous cell carcinoma cells in vitro and in vivo.  |  Lin, S., et al. 2018. Oncol Lett. 15: 1566-1572. PMID: 29434851
  8. Cytochrome P450 3A Enzymes Are Key Contributors for Hepatic Metabolism of Bufotalin, a Natural Constitute in Chinese Medicine Chansu.  |  Dai, ZR., et al. 2019. Front Pharmacol. 10: 52. PMID: 30778299
  9. Bufotalin induces cell cycle arrest and cell apoptosis in human malignant melanoma A375 cells.  |  Pan, Z., et al. 2019. Oncol Rep. 41: 2409-2417. PMID: 30816542
  10. Bufotalin ameliorates experimental Sjögren's syndrome development by inhibiting Th17 generation.  |  Huang, Y., et al. 2020. Naunyn Schmiedebergs Arch Pharmacol. 393: 1977-1985. PMID: 31950221
  11. Unified Total Synthesis of Five Bufadienolides.  |  Shimizu, S., et al. 2020. Org Lett. 22: 8652-8657. PMID: 33104363
  12. Bufotalin induces ferroptosis in non-small cell lung cancer cells by facilitating the ubiquitination and degradation of GPX4.  |  Zhang, W., et al. 2022. Free Radic Biol Med. 180: 75-84. PMID: 35038550
  13. Identification of potent anti-Cryptosporidium new drug leads by screening traditional Chinese medicines.  |  Kabir, MHB., et al. 2022. PLoS Negl Trop Dis. 16: e0010947. PMID: 36441814
  14. Bufotalin ameliorates ovalbumin-induced allergic rhinitis by restoring the Tregs.  |  Ji, Q., et al. 2023. Microb Pathog. 174: 105918. PMID: 36455750

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Bufotalin, 5 mg

sc-202509
5 mg
$200.00