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Nafamostat mesilate

Also known as: Nafamostat mesylate, FUT-175, Futhan, 6-Amidino-2-naphthyl 4-guanidino-benzoate dimethanesulphonate, 6-Carbamimidoyl-2-naphthyl 4-[(diaminomethylene)amino]benzoate methanesulfonate (1:1), Benzoic acid, 4-[(diaminomethylene)amino]-, 6-[(Z)-aminoiminomethyl]-2-naphthalenyl ester, methanesulfonate (1:1), MFCD00941430, [amino-[6-[4-(diaminomethyleneazaniumyl)benzoyl]oxy-2-naphthyl]methylene]ammonium, [amino-[6-[4-(diaminomethylideneazaniumyl)benzoyl]oxynaphthalen-2-yl]methylidene]azanium, [amino-[6-[4-(diaminomethylideneazaniumyl)phenyl]carbonyloxynaphthalen-2-yl]methylidene]azanium, [amino-[6-[[4-(diaminomethyleneazaniumyl)phenyl]-oxomethoxy]-2-naphthyl]methylene]ammonium

Nafamostat mesilate (CAS 82956-11-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H25N5O8S2 and a molecular weight of 539.58 g/mol. Key properties include a melting point of 259-261°C, a boiling point of 637.2ºCat 760 mmHg and a flash point of 339.1ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
82956-11-4
Jingsj CID
J-24724-5
Molecular Formula
C21H25N5O8S2
Molecular Weight
539.58 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point259-261°C
Boiling Point637.2ºCat 760 mmHg
Flash Point339.1ºC
PSA200.82000
LogP4.90630

GHS Safety & Compliance

Health HazardSignal word: Warning

Activity & Biological Data

Additional Information[1]. Ikehara S, et al. Effect of FUT-175, a new synthetic protease inhibitor, on the development of lupus nephritis in (NZB x NZW) F1 mice. Immunology. 1985 Aug;55(4):595-600. [2]. Pak K, et al. Effectiveness of FUT-175, protease inhibitor, as an anticoagulant to hemodialysis. Hinyokika Kiyo. 1988 Jun;34(6):1077-81.

Frequently Asked Questions

What is the CAS number of Nafamostat mesilate?

The CAS number of Nafamostat mesilate is 82956-11-4.

What are the molecular formula and molecular weight of Nafamostat mesilate?

Nafamostat mesilate has molecular formula C21H25N5O8S2 and molecular weight 539.58 g/mol.

Is Nafamostat mesilate hazardous?

Nafamostat mesilate has GHS signal word Warning.

What are the upstream and downstream products of Nafamostat mesilate?

For Nafamostat mesilate, Upstream Products: Sodium methanesulfonate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Nafamostat mesilate (CAS 82956-11-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24724-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.