Camostat mesylate

    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 329455

CAS#: 59721-29-8 (mesylate)

Description: Camostat Mesilate, also known as FOY 305, is a serine protease inhibitor. Serine protease enzymes have a variety of functions in the body, and so camostat has a diverse range of uses. It is used in the treatment of some forms of cancer and is also effective against some viral infections, as well as inhibiting fibrosis in liver or kidney disease or pancreatitis.

Price and Availability




Camostat mesylate is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 329455
Name: Camostat mesylate
CAS#: 59721-29-8 (mesylate)
Chemical Formula: C21H26N4O8S
Exact Mass:
Molecular Weight: 494.519
Elemental Analysis: C, 51.01; H, 5.30; N, 11.33; O, 25.88; S, 6.48

Related CAS #: 59721-29-8 (mesylate)   59721-28-7 (free base)  

Synonym: Camostat Mesilate; Camostat Mesylate; FOY 305; FOY-305; FOY305.

IUPAC/Chemical Name: 4-(2-(2-(dimethylamino)-2-oxoethoxy)-2-oxoethyl)phenyl 4-guanidinobenzoate methanesulfonate


InChi Code: InChI=1S/C20H22N4O5.CH4O3S/c1-24(2)17(25)12-28-18(26)11-13-3-9-16(10-4-13)29-19(27)14-5-7-15(8-6-14)23-20(21)22;1-5(2,3)4/h3-10H,11-12H2,1-2H3,(H4,21,22,23);1H3,(H,2,3,4)

SMILES Code: O=C(OCC(N(C)C)=O)CC1=CC=C(OC(C2=CC=C(NC(N)=N)C=C2)=O)C=C1.CS(=O)(O)=O

Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO

Shelf Life:
>2 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

Harmonized System Code:

Additional Information

Related CAS#
CAS#59721-28-7 (Camostat)
59721-29-8 (Camostat mesilate)


1: Ota S, Hara Y, Kanoh S, Shinoda M, Kawano S, Fujikura Y, Kawana A, Shinkai M. Acute eosinophilic pneumonia caused by camostat mesilate: The first case report. Respir Med Case Rep. 2016 Jun 16;19:21-3. doi: 10.1016/j.rmcr.2016.06.005. PubMed PMID: 27408783; PubMed Central PMCID: PMC4925915.

2: Narita Y, Ueda M, Uchimura K, Kakizoe Y, Miyasato Y, Mizumoto T, Morinaga J, Hayata M, Nakagawa T, Adachi M, Miyoshi T, Sakai Y, Kadowaki D, Hirata S, Mukoyama M, Kitamura K. Combination therapy with renin-angiotensin-aldosterone system inhibitor telmisartan and serine protease inhibitor camostat mesilate provides further renoprotection in a rat chronic kidney disease model. J Pharmacol Sci. 2016 Feb;130(2):110-6. doi: 10.1016/j.jphs.2016.01.003. PubMed PMID: 26887332.

3: Yamaya M, Shimotai Y, Hatachi Y, Lusamba Kalonji N, Tando Y, Kitajima Y, Matsuo K, Kubo H, Nagatomi R, Hongo S, Homma M, Nishimura H. The serine protease inhibitor camostat inhibits influenza virus replication and cytokine production in primary cultures of human tracheal epithelial cells. Pulm Pharmacol Ther. 2015 Aug;33:66-74. doi: 10.1016/j.pupt.2015.07.001. PubMed PMID: 26166259.

4: Ueda M, Uchimura K, Narita Y, Miyasato Y, Mizumoto T, Morinaga J, Hayata M, Kakizoe Y, Adachi M, Miyoshi T, Shiraishi N, Kadowaki D, Sakai Y, Mukoyama M, Kitamura K. The serine protease inhibitor camostat mesilate attenuates the progression of chronic kidney disease through its antioxidant effects. Nephron. 2015;129(3):223-32. doi: 10.1159/000375308. PubMed PMID: 25766432.

5: Zhao J, Wang Z, Zou B, Song Y, Dong L. [Camostat mesilate, a protease inhibitor, inhibits visceral sensitivity and spinal c-fos expression in rats with acute restraint stress]. Nan Fang Yi Ke Da Xue Xue Bao. 2014 Oct;34(10):1546-50. Chinese. PubMed PMID: 25345960.

6: Rowe SM, Reeves G, Hathorne H, Solomon GM, Abbi S, Renard D, Lock R, Zhou P, Danahay H, Clancy JP, Waltz DA. Reduced sodium transport with nasal administration of the prostasin inhibitor camostat in subjects with cystic fibrosis. Chest. 2013 Jul;144(1):200-7. doi: 10.1378/chest.12-2431. PubMed PMID: 23412700; PubMed Central PMCID: PMC3707174.

7: Takahagi S, Shindo H, Watanabe M, Kameyoshi Y, Hide M. Refractory chronic urticaria treated effectively with the protease inhibitors, nafamostat mesilate and camostat mesilate. Acta Derm Venereol. 2010 Jul;90(4):425-6. doi: 10.2340/00015555-0869. PubMed PMID: 20574618.

8: Sai JK, Suyama M, Kubokawa Y, Matsumura Y, Inami K, Watanabe S. Efficacy of camostat mesilate against dyspepsia associated with non-alcoholic mild pancreatic disease. J Gastroenterol. 2010 Mar;45(3):335-41. doi: 10.1007/s00535-009-0148-1. PubMed PMID: 19876587.

9: Coote K, Atherton-Watson HC, Sugar R, Young A, MacKenzie-Beevor A, Gosling M, Bhalay G, Bloomfield G, Dunstan A, Bridges RJ, Sabater JR, Abraham WM, Tully D, Pacoma R, Schumacher A, Harris J, Danahay H. Camostat attenuates airway epithelial sodium channel function in vivo through the inhibition of a channel-activating protease. J Pharmacol Exp Ther. 2009 May;329(2):764-74. doi: 10.1124/jpet.108.148155. PubMed PMID: 19190233.

10: Maekawa A, Kakizoe Y, Miyoshi T, Wakida N, Ko T, Shiraishi N, Adachi M, Tomita K, Kitamura K. Camostat mesilate inhibits prostasin activity and reduces blood pressure and renal injury in salt-sensitive hypertension. J Hypertens. 2009 Jan;27(1):181-9. PubMed PMID: 19145783.

11: Raboin SJ, Reeve JR Jr, Cooper MS, Green GM, Sayegh AI. Activation of submucosal but not myenteric plexus of the gastrointestinal tract accompanies reduction of food intake by camostat. Regul Pept. 2008 Oct 9;150(1-3):73-80. doi: 10.1016/j.regpep.2008.06.007. PubMed PMID: 18620003.

12: Ishikura H, Nishimura S, Matsunami M, Tsujiuchi T, Ishiki T, Sekiguchi F, Naruse M, Nakatani T, Kamanaka Y, Kawabata A. The proteinase inhibitor camostat mesilate suppresses pancreatic pain in rodents. Life Sci. 2007 May 1;80(21):1999-2004. PubMed PMID: 17433371.

13: Ashizawa N, Hashimoto T, Miyake T, Shizuku T, Imaoka T, Kinoshita Y. Efficacy of camostat mesilate compared with famotidine for treatment of functional dyspepsia: is camostat mesilate effective? J Gastroenterol Hepatol. 2006 Apr;21(4):767-71. PubMed PMID: 16677167.

14: Yin J, Noda Y, Yotsuyanagi T. Properties of poly(lactic-co-glycolic acid) nanospheres containing protease inhibitors: camostat mesilate and nafamostat mesilate. Int J Pharm. 2006 May 11;314(1):46-55. PubMed PMID: 16551494.

15: Yin J, Noda Y, Hazemoto N, Yotsuyanagi T. Distribution of protease inhibitors in lipid emulsions: gabexate mesilate and camostat mesilate. Chem Pharm Bull (Tokyo). 2005 Aug;53(8):893-8. PubMed PMID: 16079515.

16: Emori Y, Mizushima T, Matsumura N, Ochi K, Tanioka H, Shirahige A, Ichimura M, Shinji T, Koide N, Tanimoto M. Camostat, an oral trypsin inhibitor, reduces pancreatic fibrosis induced by repeated administration of a superoxide dismutase inhibitor in rats. J Gastroenterol Hepatol. 2005 Jun;20(6):895-9. PubMed PMID: 15946137.

17: Jia D, Taguchi M, Otsuki M. Synthetic protease inhibitor camostat prevents and reverses dyslipidemia, insulin secretory defects, and histological abnormalities of the pancreas in genetically obese and diabetic rats. Metabolism. 2005 May;54(5):619-27. PubMed PMID: 15877292.

18: Jia D, Taguchi M, Otsuki M. Preventive and therapeutic effects of the protease inhibitor camostat on pancreatic fibrosis and atrophy in CCK-1 receptor-deficient rats. Pancreas. 2005 Jan;30(1):54-61. PubMed PMID: 15632700.

19: Gibo J, Ito T, Kawabe K, Hisano T, Inoue M, Fujimori N, Oono T, Arita Y, Nawata H. Camostat mesilate attenuates pancreatic fibrosis via inhibition of monocytes and pancreatic stellate cells activity. Lab Invest. 2005 Jan;85(1):75-89. PubMed PMID: 15531908.

20: Asami T, Tomisawa S, Uchiyama M. Effect of oral camostat mesilate on hematuria and/or proteinuria in children. Pediatr Nephrol. 2004 Mar;19(3):313-6. PubMed PMID: 14740285.