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Heterocyclic building blocks

Imirestat

Also known as Hoe-843, HOE 843, Alcon 1576

CAS 89391-50-4Formula C15H8F2N2O2Molar mass 286.24 g/mol
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Imirestat chemical structure, C15H8F2N2O2, CAS 89391-50-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
89391-50-4
Formula
C15H8F2N2O2
Molar mass
286.24 g/mol
HS code
293329
Category
Heterocyclic building blocks

What is Imirestat?

Plain description, key identifiers and synonyms

Imirestat is a chemical substance with the molecular formula C15H8F2N2O2 and a molar mass of 286.24 g/mol. Its CAS registry number is 89391-50-4. The IUPAC name is 2,7-difluorospiro[fluorene-9,5'-imidazolidine]-2',4'-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,7-difluorospiro[fluorene-9,5'-imidazolidine]-2',4'-dione
CAS number
89391-50-4 CAS number cross-checked
Molecular formula
C15H8F2N2O2
UNII
0PM69S95UQ
MDL number
MFCD00865639
InChIKey
QCCHBHSAIQIQGO-UHFFFAOYSA-N
InChI
InChI=1S/C15H8F2N2O2/c16-7-1-3-9-10-4-2-8(17)6-12(10)15(11(9)5-7)13(20)18-14(21)19-15/h1-6H,(H2,18,19,20,21)
SMILES (canonical and isomeric)
C1=CC2=C(C=C1F)C3(C4=C2C=CC(=C4)F)C(=O)NC(=O)N3

Synonyms

  • Hoe-843
  • HOE 843
  • Alcon 1576
  • Imirestatum
  • 2,7-difluorospiro[fluorene-9,4'-imidazolidine]-2',5'-dione
  • AL 1576
  • 2,7-Difluorospiro(fluorene-9,4'-imidazolidine)-2',5'-dione
  • spiro(2,7-difluoro-9H-fluoren-9,4'-imidazolidine)-2',5'-dione
  • 2,7-difluorospiro[fluorene-9,5'-imidazolidine]-2',4'-dione
  • Spiro[9H-fluorene-9,4'-imidazolidine]-2',5'-dione, 2,7-difluoro-
  • 2,7-Difluorospiro(9H-fluorene-9,4'-imidazolidine)-2',5'-dione
  • AL 1576, Alcon 1576, HOE 843
  • Spiro(9H-fluorene-9,4'-imidazolidine)-2',5'-dione, 2,7-difluoro-
  • 2,7-Difluorospiro[9H-fluorene-9,4'-imidazolidine]-2',5'-dione
  • 2,7-difluorospiro[fluorene-9,4-imidazolidine]-2,5-dione
  • 2,7-difluorospiro[fluorene-9,4''-imidazolidine]-2'',5''-dione
  • 2,7-Difluoro-2'H,5'H-spiro[fluorene-9,4'-imidazolidine]-2',5'-dione
  • 2,7-difluorospiro[9H-fluorene-9,4''-(tetrahydro-1''H-imidazole)]-2'',5''-dione
  • 2,7-difluorospiro[9H-fluorene-9,4''-(tetrahydro-1''H-imidazole)]-2'',5''-dione(imirestat)
  • 2,7-Difluorospiro[fluorene-9,4 inverted exclamation mark -imidazolidine]-2 inverted exclamation mark ,5 inverted exclamation mark -dione

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
286.24 g/molcalc.
Exact mass
286.0554 Dacalc.
LogP (octanol/water)
2.03calc.
Topological polar surface area
58.2 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
21calc.
Rings
4calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.07calc.
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=C1NC(=O)C2(N1)c1ccccc1-c1ccccc12

O=C1NC(=O)C2(N1)c1ccccc1-c1ccccc12

4 rings, 19 atoms, the Spiro[fluorene-9,4'-imidazolidine]-2',5'-dione ring system.

25 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.

Imirestat suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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  • Axon Medchem
    United States, RestonUnclaimed profile
    ImirestatGrade, purity and minimum order on request
    Price on request
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Where suppliers are based

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Imirestat 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 Imirestat is traded under.

HS 2933.29Indicative HS code

Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the…

World exports in 2024
$1.43B
−7.6% vs 2023, imports $1.47B
2019 to 2024
Top exporters
  1. China28.1%
  2. France * partner reported12.7%
  3. India * partner reported10.3%
Top importers
  1. United Kingdom13.0%
  2. United States7.9%
  3. China6.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Imirestat, based on the data on this page

What is Imirestat?

Imirestat is a chemical substance with the molecular formula C15H8F2N2O2 and a molar mass of 286.24 g/mol. Its CAS registry number is 89391-50-4. The IUPAC name is 2,7-difluorospiro[fluorene-9,5'-imidazolidine]-2',4'-dione.

What is the CAS number of Imirestat?

The CAS registry number of Imirestat is 89391-50-4.

What is the molecular formula and weight of Imirestat?

The molecular formula of Imirestat is C15H8F2N2O2 and its molar mass is 286.24 g/mol.

What is Imirestat used for?

Known uses and roles of Imirestat include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Imirestat hazardous?

No GHS hazard classification for Imirestat 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 Imirestat?

Imirestat is usually classified under HS code 293329 (Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Imirestat?

CompoundList lists 1 supplier of Imirestat in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Imirestat?

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

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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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