Date published: 2025-10-2

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Sivelestat sodium tetrahydrate (CAS 201677-61-4)

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Alternate Names:
Elaspol sodium salt tetrahydrate
Application:
Sivelestat sodium tetrahydrate is an inhibitor of neutrophil elastase
CAS Number:
201677-61-4
Purity:
≥98%
Molecular Weight:
528.51
Molecular Formula:
C20H21N2O7S•Na•4H2O
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 tetrahydrate is a competitive inhibitor of human neutrophil elastase (HNE) (IC50 = 44 nM, Ki = 0.2 µM). Sivelestat sodium tetrahydrate also effectively inhibits leukocyte elastase derived from hamster, mouse, rabbit and rat (IC50 = 19 to 49 nM). Sivelestat sodium tetrahydrate, even at concentrations of 100 µM, does not inhibit plasma kallikrein, plasmin, thrombin, trypsin, pancreas kallikrein, chymotrypsin and cathepsin G. In in-vivo studies, sivelestat sodium tetrahydrate suppressed lung hemorrhage in hamster (ID50 = 82 µg/kg) by intratracheal administration and increased skin capillary permeability in guinea pigs (ID50 = 9.6 mg/kg) by intravenous administration, both of which were induced by human neutrophil elastase.


Sivelestat sodium tetrahydrate (CAS 201677-61-4) References

  1. Neutrophil elastase-deficient mice form neutrophil extracellular traps in an experimental model of deep vein thrombosis.  |  Martinod, K., et al. 2016. J Thromb Haemost. 14: 551-8. PMID: 26712312
  2. Identification of Nafamostat as a Potent Inhibitor of Middle East Respiratory Syndrome Coronavirus S Protein-Mediated Membrane Fusion Using the Split-Protein-Based Cell-Cell Fusion Assay.  |  Yamamoto, M., et al. 2016. Antimicrob Agents Chemother. 60: 6532-6539. PMID: 27550352
  3. Prediction of Disseminated Intravascular Coagulation by Liver Function Tests in Patients with Japanese Spotted Fever.  |  Miyashima, Y., et al. 2018. Intern Med. 57: 197-202. PMID: 29021432
  4. Neutrophil elastase inhibitory effects of pentacyclic triterpenoids from Eriobotrya japonica (loquat leaves).  |  Zhang, J., et al. 2019. J Ethnopharmacol. 242: 111713. PMID: 30703491
  5. Cathepsin E in neutrophils contributes to the generation of neuropathic pain in experimental autoimmune encephalomyelitis.  |  Harada, Y., et al. 2019. Pain. 160: 2050-2062. PMID: 31095099
  6. Neutrophil extracellular traps amplify neutrophil recruitment and inflammation in neutrophilic asthma by stimulating the airway epithelial cells to activate the TLR4/ NF-κB pathway and secrete chemokines.  |  Wan, R., et al. 2020. Aging (Albany NY). 12: 16820-16836. PMID: 32756014
  7. A Machine Learning Strategy for Drug Discovery Identifies Anti-Schistosomal Small Molecules.  |  Zorn, KM., et al. 2021. ACS Infect Dis. 7: 406-420. PMID: 33434015
  8. The Crosstalk Between Cancer Cells and Neutrophils Enhances Hepatocellular Carcinoma Metastasis via Neutrophil Extracellular Traps-Associated Cathepsin G Component: A Potential Therapeutic Target.  |  Guan, X., et al. 2021. J Hepatocell Carcinoma. 8: 451-465. PMID: 34046369
  9. Coronaviruses SARS-CoV, MERS-CoV, and SARS-CoV-2 helicase inhibitors: a systematic review of invitro studies.  |  Mehyar, N. 2023. J Virus Erad. 9: 100327. PMID: 37363132

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Sivelestat sodium tetrahydrate, 5 mg

sc-215858
5 mg
$108.00

Sivelestat sodium tetrahydrate, 25 mg

sc-215858A
25 mg
$445.00