FOY-251 mesylate

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MedKoo CAT#: 574699

CAS#: 71079-09-9 (mesylate)

Description: FOY-251 is a metabolite of Camostat that acts as a pollen protease inhibitor for prevention and control of allergies.

Price and Availability

Size Price Shipping out time Quantity
50mg USD 650 2 Weeks
100mg USD 1150 2 Weeks
200mg USD 1950 2 Weeks
500mg USD 2850 2 Weeks
1g USD 3550 2 Weeks
2g USD 5950 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2020-09-30. Prices are subject to change without notice.

FOY-251 mesylate, purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 574699
Name: FOY-251 mesylate
CAS#: 71079-09-9 (mesylate)
Chemical Formula: C17H19N3O7S
Exact Mass: 409.0944
Molecular Weight: 409.41
Elemental Analysis: C, 49.87; H, 4.68; N, 10.26; O, 27.35; S, 7.83

Related CAS #: 71079-09-9 (mesylate)   71079-09-9 (free base)    

Synonym: FOY 251; FOY251; FOY-251; FOY-251 mesylate;

IUPAC/Chemical Name: 4-[[4-[(Aminoiminomethyl)amino]benzoyl]oxy]-benzeneacetic Acid Monomethanesulfonate


InChi Code: InChI=1S/C16H15N3O4.CH4O3S/c17-16(18)19-12-5-3-11(4-6-12)15(22)23-13-7-1-10(2-8-13)9-14(20)21;1-5(2,3)4/h1-8H,9H2,(H,20,21)(H4,17,18,19);1H3,(H,2,3,4)

SMILES Code: O=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:
>3 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).

HS Tariff Code:


1. Beckh K, Weidenbach H, Weidenbach F, Müller R, Adler G. Hepatic and pancreatic metabolism and biliary excretion of the protease inhibitor camostat mesilate. Int J Pancreatol. 1991;10(3-4):197-205. doi:10.1007/BF02924157