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Heterocyclic building blocks

Difunone

Also known as 5-Dimethylaminomethylene-2-oxo-4-phenyl-2,5-dihydrofuran-3-carbonitrile, Emd-IT 5914, 3-Furancarbonitrile, 5-[(dimethylamino)methylene]-2,5-dihydro-2-oxo-4-phenyl-

CAS 7703-36-8Formula C14H12N2O2Molar mass 240.26 g/mol
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Difunone chemical structure, C14H12N2O2, CAS 7703-36-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7703-36-8
Formula
C14H12N2O2
Molar mass
240.26 g/mol
HS code
293220
Category
Heterocyclic building blocks

What is Difunone?

Plain description, key identifiers and synonyms

Difunone is a chemical substance with the molecular formula C14H12N2O2 and a molar mass of 240.26 g/mol. Its CAS registry number is 7703-36-8. The IUPAC name is 5-(dimethylaminomethylidene)-2-oxo-4-phenylfuran-3-carbonitrile.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-(dimethylaminomethylidene)-2-oxo-4-phenylfuran-3-carbonitrile
CAS number
7703-36-8 CAS number cross-checked
Molecular formula
C14H12N2O2
InChIKey
GWZYSXKZOOVIDP-UHFFFAOYSA-N
InChI
InChI=1S/C14H12N2O2/c1-16(2)9-12-13(10-6-4-3-5-7-10)11(8-15)14(17)18-12/h3-7,9H,1-2H3
SMILES (canonical and isomeric)
CN(C)C=C1C(=C(C(=O)O1)C#N)C2=CC=CC=C2

Synonyms

  • 5-Dimethylaminomethylene-2-oxo-4-phenyl-2,5-dihydrofuran-3-carbonitrile
  • Emd-IT 5914
  • 3-Furancarbonitrile, 5-[(dimethylamino)methylene]-2,5-dihydro-2-oxo-4-phenyl-
  • 5-[(dimethylamino)methylidene]-2-oxo-4-phenyl-2,5-dihydrofuran-3-carbonitrile

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
240.26 g/molcalc.
Exact mass
240.0899 Dacalc.
LogP (octanol/water)
1.92calc.
Topological polar surface area
53.33 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
2calc.
Heavy atoms
18calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.14calc.
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, C=C1OC(=O)C=C1c1ccccc1

C=C1OC(=O)C=C1c1ccccc1

2 rings, 13 atoms, the 5-Methylidene-4-phenylfuran-2(5H)-one ring system.

3 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.

Difunone suppliers

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

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Difunone price

Indicative price range per kg from live supplier offers

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Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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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 Difunone is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Difunone?

Difunone is a chemical substance with the molecular formula C14H12N2O2 and a molar mass of 240.26 g/mol. Its CAS registry number is 7703-36-8. The IUPAC name is 5-(dimethylaminomethylidene)-2-oxo-4-phenylfuran-3-carbonitrile.

What is the CAS number of Difunone?

The CAS registry number of Difunone is 7703-36-8.

What is the molecular formula and weight of Difunone?

The molecular formula of Difunone is C14H12N2O2 and its molar mass is 240.26 g/mol.

What is Difunone used for?

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

Is Difunone hazardous?

No GHS hazard classification for Difunone 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 Difunone?

Difunone is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Difunone?

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

What is the price of Difunone?

Suppliers quote Difunone 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 Difunone

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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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