4,4′-Oxydiphthalic anhydride

CAS Registry Number®

1823-59-2

CAS Name

4,4′-Oxydiphthalic anhydride

Molecular Formula

C16H6O7

Molecular Mass

310.21

Cite this Page

4,4′-Oxydiphthalic anhydride.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1823-59-2 (retrieved 2024-11-21) (CAS RN: 1823-59-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H6O7/c17-13-9-3-1-7(5-11(9)15(19)22-13)21-8-2-4-10-12(6-8)16(20)23-14(10)18/h1-6H

InChIKey

InChIKey=QQGYZOYWNCKGEK-UHFFFAOYSA-N

SMILES

O=C1C=2C(C(=O)O1)=CC=C(OC=3C=C4C(=CC3)C(=O)OC4=O)C2

Canonical SMILES

O=C1OC(=O)C2=CC(OC3=CC=C4C(=O)OC(=O)C4=C3)=CC=C12

Other Names for this Substance

  • 1,3-Isobenzofurandione, 5,5′-oxybis-
  • Phthalic anhydride, 4,4′-oxydi-
  • 5,5′-Oxybis[1,3-isobenzofurandione]
  • 3,4,3′,4′-Diphenyl ether tetracarboxylic anhydride
  • 3,3′,4,4′-Tetracarboxydiphenyl ether dianhydride

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Deleted or Replaced CAS Registry Numbers

163915-29-5, 174612-36-3

CAS INSIGHTSTM
Targeted protein degrader structure, illustration