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Screening compounds

Foy-251

Also known as FOY 251, 4-[[4-[(aminoiminomethyl)amino]benzoyl]oxy]benzeneacetic acid, 4-(4-Guanidinobenzoyloxy)phenylacetate

CAS 71079-08-8Formula C16H15N3O4Molar mass 313.31 g/mol
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Foy-251 chemical structure, C16H15N3O4, CAS 71079-08-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
71079-08-8
Formula
C16H15N3O4
Molar mass
313.31 g/mol
HS code
292529
Category
Screening compounds

What is Foy-251?

Plain description, key identifiers and synonyms

Foy-251 is a chemical substance with the molecular formula C16H15N3O4 and a molar mass of 313.31 g/mol. Its CAS registry number is 71079-08-8. The IUPAC name is 2-[4-[4-(diaminomethylideneamino)benzoyl]oxyphenyl]acetic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[4-[4-(diaminomethylideneamino)benzoyl]oxyphenyl]acetic acid
CAS number
71079-08-8
Molecular formula
C16H15N3O4
UNII
487JA5G388
MDL number
MFCD00871929
InChIKey
XTKGXPFBKPYFDW-UHFFFAOYSA-N
InChI
InChI=1S/C16H15N3O4/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/h1-8H,9H2,(H,20,21)(H4,17,18,19)
SMILES (canonical and isomeric)
C1=CC(=CC=C1CC(=O)O)OC(=O)C2=CC=C(C=C2)N=C(N)N

Synonyms

  • FOY 251
  • 4-[[4-[(aminoiminomethyl)amino]benzoyl]oxy]benzeneacetic acid
  • 4-(4-Guanidinobenzoyloxy)phenylacetate
  • FOY 251 free base
  • 2-[4-[4-(diaminomethylideneamino)benzoyl]oxyphenyl]acetic Acid
  • 4-GBCE
  • FOY 251 (free base)
  • Benzeneacetic acid, 4-[[4-[(aminoiminomethyl)amino]benzoyl]oxy]-
  • 2-(4-((4-Guanidinobenzoyl)oxy)phenyl)acetic acid
  • 2-[4-(4-carbamimidamidobenzoyloxy)phenyl]acetic acid
  • FOY-251?
  • 4-(4-guanidinobenzoyloxy)phenyl acetic acid
  • 2-[4-(4-guanidinobenzoyl)oxyphenyl]acetic acid
  • 2-(4-((4-Guanidinobenzoyl)oxy)phenyl)acetic acid, >98%
  • 4-Guanidino-benzoic acid 4-carboxymethyl-phenyl ester, compound with methanesulfonic acid

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
313.31 g/molcalc.
Exact mass
313.1063 Dacalc.
LogP (octanol/water)
1.44calc.
Topological polar surface area
128 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
5calc.
Heavy atoms
23calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.06calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C(Oc1ccccc1)c1ccccc1

O=C(Oc1ccccc1)c1ccccc1

2 rings, 15 atoms, the Phenyl benzoate ring system.

2,426 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Foy-251 suppliers

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Foy-251 price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Foy-251 is traded under.

HS 2925.29Indicative HS code

Imines and their derivatives, salts thereof, other

World exports in 2024
$1.8B
+12.4% vs 2023, imports $1.84B
2019 to 2024
Top exporters
  1. China35.9%
  2. France * partner reported15.5%
  3. Germany9.1%
Top importers
  1. United States13.3%
  2. China13.0%
  3. Brazil9.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Foy-251 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Foy-251, based on the data on this page

What is Foy-251?

Foy-251 is a chemical substance with the molecular formula C16H15N3O4 and a molar mass of 313.31 g/mol. Its CAS registry number is 71079-08-8. The IUPAC name is 2-[4-[4-(diaminomethylideneamino)benzoyl]oxyphenyl]acetic acid.

What is the CAS number of Foy-251?

The CAS registry number of Foy-251 is 71079-08-8.

What is the molecular formula and weight of Foy-251?

The molecular formula of Foy-251 is C16H15N3O4 and its molar mass is 313.31 g/mol.

What is Foy-251 used for?

Known uses and roles of Foy-251 include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Foy-251 hazardous?

No GHS hazard classification for Foy-251 is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Foy-251?

Foy-251 is usually classified under HS code 292529 (Imines and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Foy-251?

Post a free request on CompoundList and suppliers of Foy-251 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Foy-251?

Suppliers quote Foy-251 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Foy-251

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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