Date published: 2026-5-28

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Sivelestat sodium salt (CAS 150374-95-1)

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Alternate Names:
Sivelestat sodium salt is also known as ONO 5046.
Application:
Sivelestat sodium salt is a selective human leukocyte neutrophil elastase inhibitor, used in the treatment of acute respiratory failure.
CAS Number:
150374-95-1
Purity:
≥98%
Molecular Weight:
456.44
Molecular Formula:
C20H21N2O7S•Na
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Sivelestat sodium salt is a potent and selective inhibitor of neutrophil elastase. It functions by binding to the active site of neutrophil elastase, preventing it from cleaving elastin and other extracellular matrix proteins. This inhibition of neutrophil elastase activity helps to reduce tissue damage and inflammation caused by excessive neutrophil activation. By interfering with the function of neutrophil elastase, it plays a role in modulating the inflammatory response and protecting against tissue injury. Sivelestat sodium saltfunction in experimental applications involves elucidating the molecular mechanisms underlying neutrophil elastase-mediated tissue damage and inflammation.


Sivelestat sodium salt (CAS 150374-95-1) References

  1. Role of neutrophil elastase in LTB4-induced neutrophil transmigration in vivo assessed with a specific inhibitor and neutrophil elastase deficient mice.  |  Young, RE., et al. 2007. Br J Pharmacol. 151: 628-37. PMID: 17471175
  2. Neutrophil elastase inhibitor (sivelestat) reduces the levels of inflammatory mediators by inhibiting NF-kB.  |  Hagiwara, S., et al. 2009. Inflamm Res. 58: 198-203. PMID: 19169649
  3. Protective effect of sivelestat sodium hydrate (ONO-5046) on ischemic spinal cord injury.  |  Iwamoto, S., et al. 2009. Interact Cardiovasc Thorac Surg. 8: 606-9. PMID: 19289399
  4. ONO-5046, a novel inhibitor of human neutrophil elastase.  |  Kawabata, K., et al. 1991. Biochem Biophys Res Commun. 177: 814-20. PMID: 2049103
  5. Elevation of pivaloylcarnitine by sivelestat sodium in two children.  |  Yamada, K., et al. 2015. Mol Genet Metab. 116: 192-4. PMID: 26428892
  6. [Simultaneous determination of sivelestat and its metabolite XW-IMP-A in human plasma using HPLC-MS/MS].  |  Wang, J., et al. 2015. Yao Xue Xue Bao. 50: 1318-23. PMID: 26837180
  7. Sivelestat sodium hydrate attenuates acute lung injury by decreasing systemic inflammation in a rat model of severe burns.  |  Xiao, XG., et al. 2016. Eur Rev Med Pharmacol Sci. 20: 528-36. PMID: 26914130
  8. Citrus bioflavonoid, hesperetin, as inhibitor of two thrombin-like snake venom serine proteases isolated from Crotalus simus.  |  Vander Dos Santos, R., et al. 2018. Toxicon. 143: 36-43. PMID: 29337219
  9. Novel and Modified Neutrophil Elastase Inhibitor Loaded in Topical Formulations for Psoriasis Management.  |  Nunes, A., et al. 2020. Pharmaceutics. 12: PMID: 32295247
  10. The In Vitro Inhibitory Effect of Sivelestat on Elastase Induced Collagen and Metallopeptidase Expression in Equine Endometrium.  |  Amaral, A., et al. 2020. Animals (Basel). 10: PMID: 32429399
  11. The screening of albumin as a key serum component in preventing release of neutrophil extracellular traps by selectively inhibiting mitochondrial ROS generation.  |  Zheng, Y., et al. 2021. Can J Physiol Pharmacol. 99: 427-438. PMID: 32799676
  12. Targeting neutrophil extracellular traps with thrombomodulin prevents pancreatic cancer metastasis.  |  Kajioka, H., et al. 2021. Cancer Lett. 497: 1-13. PMID: 33065249
  13. Investigations of Olive Oil Industry By-Products Extracts with Potential Skin Benefits in Topical Formulations.  |  Nunes, A., et al. 2021. Pharmaceutics. 13: PMID: 33808196
  14. Noscapine Acts as a Protease Inhibitor of In Vitro Elastase-Induced Collagen Deposition in Equine Endometrium.  |  Amaral, A., et al. 2021. Int J Mol Sci. 22: PMID: 34069423
  15. The Inhibitory Effect of Noscapine on the In Vitro Cathepsin G-Induced Collagen Expression in Equine Endometrium.  |  Amaral, A., et al. 2021. Life (Basel). 11: PMID: 34685478
  16. Inhibition of Myeloperoxidase Pro-Fibrotic Effect by Noscapine in Equine Endometrium.  |  Amaral, A., et al. 2023. Int J Mol Sci. 24: PMID: 36835008

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Sivelestat sodium salt, 10 mg

sc-361359
10 mg
$104.00

Sivelestat sodium salt, 50 mg

sc-361359A
50 mg
$427.00