GCIS
GlobalChemical Inventory Search
4,4'-CARBONYLBIS(PHTHALIC ANHYDRIDE)
3,3',4,4'-二苯酮四羧酸二酐
,
4,4'-羰基二邻苯二甲酸酐
,
3,3'4,4'-二苯甲酮四羧酸二酐
,
3,3’,4,4’-二苯酮四酸二酐, 1,3-Isobenzofurandione, 5,5'-carbonylbis-, benzophenone-3,3',4,4'-tetracarboxylic acid dianhydride, 3,4,3',4'-benzophenone tetracarboxylic dianhydride, Benzophenone-3,3',4,4'-tetracarboxylic dianhydride, 5,5'-Carbonylbis(2-benzofuran-1,3-dione), 3,3,4,4-Benzophenonetetracarboxylic dianhydride, 3,3',4,4'-benzophenonetetracarboxylic dianhydride, 4,4'-Diphthalic anhydride ketone, benzophenone tetracarboxylic dianhydride, Benzophenonetetracarboxylic acid dianhydride, Phthalic anhydride,4,4'-carbonyldi, 3,3‘,4,4‘-Benzophenonetetracarboxylic dianhydride, 1,3-Isobenzofurandione,5,5'-carbonylbis, 5,5'-Carbonylbis(isobenzofuran-1,3-dione), EINECS 219-348-1, 4,4'-CARBONYLBIS(PHTHALIC ANHYDRIDE), MFCD00005923, Benzophenonetetracarboxylic anhydride, 5-(1,3-dioxo-isobenzofuran-5-carbonyl)-isobenzofuran-1,3-dione, Benzophenone-tetracarboxylic-dianhydride, 4,4'-Carbonyldiphthalic anhydride
CAS Number: 2421-28-5
IUPAC name: 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione
Molecular formula: C17H6O7
Molecular weight: 322.225
InChI: InChI=1S/C17H6O7/c18-13(7-1-3-9-11(5-7)16(21)23-14(9)19)8-2-4-10-12(6-8)17(22)24-15(10)20/h1-6H
InChIKey: VQVIHDPBMFABCQ-UHFFFAOYSA-N
SMILES: -
EINECS: C1=CC2=C(C=C1C(=O)C3=CC4=C(C=C3)C(=O)OC4=O)C(=O)OC2=O
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Substance Information
CAS Number:
2421-28-5
Chemical Name:
Benzophenone-3,3':4,4'-tetracarboxylic dianhydride
Chinese name:
5,5'-羰基双（1,3-异苯并呋喃二酮）
Date of inquiry :
Apr 5, 2026
Inquiry website:
https://www.chemradar.com/en/tools/gcisGCIS inquiry report
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