11290715122D 1   1.00000     0.00000     0

  7  7  0     0  0            999 V2000
    2.5500  -18.5375    0.0000 C   0  0  0  0  0  0           0  0  0
    3.3750  -18.5375    0.0000 C   0  0  0  0  0  0           0  0  0
    3.6318  -17.7534    0.0000 C   0  0  0  0  0  0           0  0  0
    2.9625  -17.2667    0.0000 O   0  0  0  0  0  0           0  0  0
    2.2974  -17.7534    0.0000 C   0  0  0  0  0  0           0  0  0
    1.5127  -17.4988    0.0000 O   0  0  0  0  0  0           0  0  0
    4.4167  -17.4996    0.0000 O   0  0  0  0  0  0           0  0  0
  2  3  1  0     0  0
  3  4  1  0     0  0
  4  5  1  0     0  0
  5  1  1  0     0  0
  1  2  2  0     0  0
  5  6  2  0     0  0
  3  7  2  0     0  0
M  END
> <ID>
CHEBI:474859

> <NAME>
maleic anhydride

> <DEFINITION>
A cyclic dicarboxylic anhydride that is the cyclic anhydride of maleic acid.

> <STAR>
3

> <SYNONYM>
Toxilic anhydride; Maleic acid anhydride; MA; Dihydro-2,5-dioxofuran; cis-Butenedioic anhydride; 2,5-Furandione

> <IUPAC_NAME>
furan-2,5-dione

> <FORMULA>
C4H2O3

> <MASS>
98.05690

> <MONOISOTOPIC_MASS>
98.00039

> <CHARGE>
0

> <SMILES>
O=C1OC(=O)C=C1

> <INCHI>
InChI=1S/C4H2O3/c5-3-1-2-4(6)7-3/h1-2H

> <INCHIKEY>
FPYJFEHAWHCUMM-UHFFFAOYSA-N

> <BEILSTEIN_REGISTRY_NUMBER>
106909

> <CAS_REGISTRY_NUMBER>
108-31-6

> <GMELIN_REGISTRY_NUMBER>
2728

> <REAXYS_REGISTRY_NUMBER>
106909

> <CHEMIDPLUS>
108-31-6

> <NIST_CHEMISTRY_WEBBOOK>
108-31-6

> <WIKIPEDIA_ACCESSION>
Maleic_anhydride

> <PUBMED_CITATION>
1789402; 24315947; 26073302; 26328347; 26639665; 26961914; 3711550

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