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Structure of 2-Furaldehyde (C5H4O2)

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2D chemical structure image of 2-Furaldehyde
Chemical Formula C5H4O2
Molecular Weight 96.08406 g/mol
IUPAC Name furan-2-carbaldehyde
SMILES String O=Cc1ccco1
InChI InChI=1S/C5H4O2/c6-4-5-2-1-3-7-5/h1-4H
InChIKey HYBBIBNJHNGZAN-UHFFFAOYSA-N
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Chemical Structure Description

A chemical structure of a molecule includes the arrangement of atoms and the chemical bonds that hold the atoms together. The 2-Furaldehyde molecule contains a total of 11 bond(s). There are 7 non-H bond(s), 6 multiple bond(s), 1 rotatable bond(s), 1 double bond(s), 5 aromatic bond(s), 1 five-membered ring(s), 1 aldehyde(s) (aromatic), and 1 Furane(s). Images of the chemical structure of 2-Furaldehyde are given below:

2D chemical structure image of 2-Furaldehyde
2-dimensional (2D) chemical structure image of 2-Furaldehyde
3D chemical structure image of 2-Furaldehyde
3-dimensional (3D) chemical structure image of 2-Furaldehyde

The 2D chemical structure image of 2-Furaldehyde is also called skeletal formula, which is the standard notation for organic molecules. The carbon atoms in the chemical structure of 2-Furaldehyde are implied to be located at the corner(s) and hydrogen atoms attached to carbon atoms are not indicated – each carbon atom is considered to be associated with enough hydrogen atoms to provide the carbon atom with four bonds.

The 3D chemical structure image of 2-Furaldehyde is based on the ball-and-stick model which displays both the three-dimensional position of the atoms and the bonds between them. The radius of the spheres is therefore smaller than the rod lengths in order to provide a clearer view of the atoms and bonds throughout the chemical structure model of 2-Furaldehyde. Download structure data file (SDF/MOL) file of this compound.


Interactive 3D Visualization

For a better understanding of the chemical structure, an interactive 3D visualization of 2-Furaldehyde is provided here.

The 2-Furaldehyde molecule shown in the visualization screen can be rotated interactively by keep clicking and moving the mouse button. Mouse wheel zoom is available as well – the size of the 2-Furaldehyde molecule can be increased or decreased by scrolling the mouse wheel.

The information of the atoms, bonds, connectivity and coordinates included in the chemical structure of 2-Furaldehyde can easily be identified by this visualization. By right-clicking the visualization screen, various other options are available including the visualization of van der Waals surface and exporting to an image file.


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Input a chemical compound consisting of C, H, N, O, S, F, Cl, Br, I, Si, P, and/or As atom(s)

Input example for Ethanol:

  • Name: ethanol
  • CAS #: 64-17-5
  • Formula: C2H5OH
  • Smiles: CCO
  • InChI: InChI=1S/C2H6O/c1-2-3/h3H,2H2,1H3
  • InChIKey: LFQSCWFLJHTTHZ-UHFFFAOYSA-N

Additional Information for Identifying 2-Furaldehyde Molecule

  • SMILES (Simplified Molecular-Input Line-Entry System) string of 2-Furaldehyde

    The SMILES string of 2-Furaldehyde is O=Cc1ccco1, which can be can be imported by most molecule editors for conversion back into two-dimensional drawings or three-dimensional models of the 2-Furaldehyde.

  • Structure Data File (SDF/MOL File) of 2-Furaldehyde

    The structure data file (SDF/MOL File) of 2-Furaldehyde is available for download in the SDF page of 2-Furaldehyde, which provides the information about the atoms, bonds, connectivity and coordinates of 2-Furaldehyde. The 2-Furaldehyde structure data file can be imported to most of the cheminformatics software systems and applications.

  • Chemical formula of 2-Furaldehyde

    The molecular formula of 2-Furaldehyde is available in chemical formula page of 2-Furaldehyde, which identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element.

  • Molecular weight of 2-Furaldehyde

    The molecular weight of 2-Furaldehyde is available in molecular weight page of 2-Furaldehyde, which is calculated as the sum of the atomic weights of each constituent element multiplied by the number of atoms of that element in the molecular formula.

  • Other names (synonyms) or registry numbers of 2-Furaldehyde

    The 2-Furaldehyde compound may be called differently depending on the various different situations of industrial applications. Below are the list of the other names (synonyms) of 2-Furaldehyde including the various registry numbers, if available:

    • EN300-18110
    • BBV-46875873
    • 39276-09-0
    • F1294-0048
    • I14-22069
    • I14-0911
    • A845786
    • U1199
    • F0073
    • Furfural, SAJ first grade, >=99.0%
    • Furfural, natural, >=98%, FCC, FG
    • RTC-069695
    • Furfural, analytical reference material
    • EPA Pesticide Chemical Code 067206
    • Furaldehydes [UN1199] [Poison]
    • ANW-13660
    • Furaldehydes [UN1199] [Poison]
    • Furfural, for synthesis, 98.0%
    • Furfural, >=98%, FCC, FG
    • 2-FURANCARBOXALDEHYDE, ACS
    • 2-Furaldehyde, 98% 250g
    • QSPL 102
    • QSPL 006
    • Furfural, ACS reagent, 99%
    • FEMA No. 2968
    • FEMA No. 2967
    • BIDD:ER0698
    • DJ1HGI319P
    • Pyroligneous acid extract
    • furan-2-carboxaldehydl
    • 2-furan-carboxaldehyde
    • WOOD VINEGAR
    • Caswell No. 904
    • Furfural, 99%
    • furan-2 carbaldehyde
    • Pyroligneous vinegar
    • Furancarboxaldehyde
    • Pyroligneous acids
    • Wood Tar
    • 2-furanal
    • Fuf ural
    • 2-furaldehydl
    • Qo furfural
    • Furaldehydes
    • furfuraldehydl
    • CAS-98-01-1
    • 2-Formylofuran
    • MFCD00003229
    • EPA Pesticide Chemical Code 043301
    • RCRA waste no. U125
    • FEMA No. 2489
    • alpha-Furfuraldehyde
    • 2-Furil-metanale [Italian]
    • 2-furancarbaldehyde
    • 2-Furankarbaldehyd [Czech]
    • 2-Formyl furan
    • .alpha.-Furole
    • furan-2-aldehyde
    • 2-Formylofuran [Polish]
    • alpha-Furole
    • Fufural
    • Furan-2-carboxaldehyde
    • Caswell No. 466
    • Furfurale [Italian]
    • Ant Oil, artificial
    • Furfural (natural)
    • Rcra waste number U125
    • 2-Furankarbaldehyd
    • Nci-C56177
    • 2-Furylmethanal
    • Furyl-methanal
    • Quakeral
    • 2-Furil-metanale
    • Bran oil
    • 2-Furylcarboxaldehyde
    • Furfurale
    • Artificial oil of ants
    • 2-Furyl-methanal
    • 2-Furfuraldehyde
    • 2-Furylaldehyde
    • Furfurylaldehyde
    • Furole
    • Furol
    • Furale
    • Furfurole
    • Furfurol
    • Furancarbonal
    • Artificial ant oil
    • Pyromucic aldehyde
    • 2-Furfural
    • 2-Furancarbonal
    • 2-Furanaldehyde
    • Fural
    • Furfuraldehyde
    • 2-Formylfuran
    • Furaldehyde
    • 98-01-1
    • 2-Furancarboxaldehyde
    • FURFURAL
    • 2-Furaldehyde

2-Furaldehyde Identification Summary Frequently Asked Questions (FAQs)

What’s the chemical formula of 2-Furaldehyde?
C5H4O2
How many atoms and what are the elements included the 2-Furaldehyde molecule?
11 atom(s) - 4 Hydrogen atom(s), 5 Carbon atom(s), and 2 Oxygen atom(s)
How many chemical bonds and what kind of bonds are included the 2-Furaldehyde structure?
11 bond(s) - 7 non-H bond(s), 6 multiple bond(s), 1 rotatable bond(s), 1 double bond(s), 5 aromatic bond(s), 1 five-membered ring(s), 1 aldehyde(s) (aromatic), and 1 Furane(s)
What’s the 2-Furaldehyde’s molecular weight?
96.08406 g/mol
What’s the SMILES code of 2-Furaldehyde?
O=Cc1ccco1
What’s the InChI string of 2-Furaldehyde?
InChI=1S/C5H4O2/c6-4-5-2-1-3-7-5/h1-4H
What’s the InChIKey code of 2-Furaldehyde?
HYBBIBNJHNGZAN-UHFFFAOYSA-N