Nafamostat mesylate (CAS 82956-11-4): R&D Systems
Catalog Number: 3081
Chemical Name: 4-[(Aminoiminomethyl)amino]benzoic acid 6-(aminoiminomethyl)-2-naphthalenyl ester dimethanesulfonate
Biological Activity
Broad spectrum serine protease inhibitor. Displays selectivity for human tryptase when used at relatively low concentrations. Reduces eosinophil infiltration, mast cell activation and airway responsiveness in a murine model of asthma.
Technical Data
  • M.Wt:
    539.59
  • Formula:
    C19H17N5O2.2CH4O3S
  • Solubility:
    Soluble to 100 mM in water and to 100 mM in DMSO
  • Purity:
    >99%
  • Storage:
    Desiccate at +4°C
  • CAS No:
    82956-11-4
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis. All Tocris products are intended for laboratory research use only.
Background References
  1. Nafamostat mesilate is an extremely potent inhibitor of human tryptase.
    Mori et al.
    J.Pharmacol.Sci., 2003;92:420
  2. A potent tryptase inhibitor nafamostat mesilate dramatically suppressed pulmonary dysfunction induced in rats by a radiographic contrast medium.
    Sendo et al.
    Br.J.Pharmacol., 2003;138:959
  3. Serine protease inhibitors nafamostat mesilate and gabexate mesilate attenuate allergen-induced airway inflammation and eosinophilia in a murine model of asthma.
    Chen et al.
    J.Allergy Clin.Immunol., 2006;118:105

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