FOY 251-D4

Modify Date: 2026-07-23 06:55:45

FOY 251-D4 Structure
FOY 251-D4 structure
Common Name FOY 251-D4
CAS Number 71079-09-9 Molecular Weight 409.41400
Density 1.36g/cm3 Boiling Point 592.6ºC at 760 mmHg
Molecular Formula C17H19N3O7S Melting Point 194-198ºC
MSDS N/A Flash Point 312.2ºC

 Use of FOY 251-D4


FOY 251 is an anti-proteolytic active metabolite camostate (HY-13512), acts as a proteinase inhibitor[1].

Summary: FOY 251, also known as foy 251, with the chemical name FOY 251-D4, has a CAS number of 71079-09-9, a molecular formula of C17H19N3O7S, and a molecular weight of 409.41400. This compound is a metabolite of camostat and a pollen protease inhibitor, useful for prevention and control of allergy. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name foy 251
Synonym More Synonyms

 FOY 251-D4 Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description FOY 251 is an anti-proteolytic active metabolite camostate (HY-13512), acts as a proteinase inhibitor[1].
Related Catalog
Target

proteinase[1]

In Vitro FOY-251 represents a dose-dependent inhibition of equivalent current in M-1 cells[2]. FOY-251 inhibits the proteolytic activity of prostasin[2].
References

[1]. K Beckh, et al. Elimination of the Low-Molecular Weight Proteinase Inhibitor Camostate (FOY 305) and Its Degradation Products by the Rat Liver. Res Exp Med (Berl). 1987;187(6):401-6.

[2]. Ai Maekawa, et al. Camostat Mesilate Inhibits Prostasin Activity and Reduces Blood Pressure and Renal Injury in Salt-Sensitive Hypertension. J Hypertens . 2009 Jan;27(1):181-9.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.36g/cm3
Boiling Point 592.6ºC at 760 mmHg
Melting Point 194-198ºC
Molecular Formula C17H19N3O7S
Molecular Weight 409.41400
Flash Point 312.2ºC
Exact Mass 409.09400
PSA 188.25000
LogP 3.29610
Index of Refraction 1.632
InChIKey JXMOPIDYHUYOED-UHFFFAOYSA-N
SMILES CS(=O)(=O)O.NC(N)=Nc1ccc(C(=O)Oc2ccc(CC(=O)O)cc2)cc1

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

4-[[4-[(Aminoiminomethyl)amino]benzoyl]oxy]-benzeneacetic Acid Monomethanesulfonate
4-(4-guanidinobenzoyloxy)phenylacetic acid
4-(4-guanidinobenzoyloxy)phenylacetic acid mesylate
4-[[4-[(Aminoiminomethyl)amino]benzoyl]oxy]-benzeneacetic Acid Monomethanesulfonat
p-(p-Guanidinbenzoyloxy)-phenylessigsaeure-methansulfonat
p-(p-guanidinobenzoyloxy)phenylacetic acid methanesulphonate

 FOY 251-D4 | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the polar surface area (PSA) of foy 251?
A: Polar surface area (PSA) of foy 251 is 188.25000.
Q: What is the SMILES notation of foy 251?
A: SMILES notation of foy 251 is CS(=O)(=O)O.NC(N)=Nc1ccc(C(=O)Oc2ccc(CC(=O)O)cc2)cc1.
Q: What is the InChIKey of foy 251?
A: InChIKey of foy 251 is JXMOPIDYHUYOED-UHFFFAOYSA-N.
Q: What is the LogP of foy 251?
A: LogP of foy 251 is 3.29610.
Q: What is the CAS number of foy 251?
A: CAS number of foy 251 is 71079-09-9.
Q: What English synonyms does foy 251 have?
A: English synonyms of foy 251: 4-[[4-[(Aminoiminomethyl)amino]benzoyl]oxy]-benzeneacetic Acid Monomethanesulfonate, 4-(4-guanidinobenzoyloxy)phenylacetic acid, 4-(4-guanidinobenzoyloxy)phenylacetic acid mesylate, 4-[[4-[(Aminoiminomethyl)amino]benzoyl]oxy]-benzeneacetic Acid Monomethanesulfonat, p-(p-Guanidinbenzoyloxy)-phenylessigsaeure-methansulfonat, p-(p-guanidinobenzoyloxy)phenylacetic acid methanesulphonate.
Q: What is the molecular weight of foy 251?
A: Molecular weight of foy 251 is 409.41400.
Q: What is the boiling point of foy 251?
A: Boiling point of foy 251 is 592.6ºC at 760 mmHg.
Q: What is the melting point of foy 251?
A: Melting point of foy 251 is 194-198ºC.
Q: What are the uses of foy 251?
A: Main uses of foy 251: FOY 251 is an anti-proteolytic active metabolite camostate (HY-13512), acts as a proteinase inhibitor[1].

 FOY 251-D4factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Henan Tianfu Chemical Co., Ltd.
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