3,3-Bis(3,4-dihydroxyphenyl)-1(3H)-isobenzofuranone

CAS Registry Number®

596-28-1
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CAS Name

3,3-Bis(3,4-dihydroxyphenyl)-1(3H)-isobenzofuranone

Molecular Formula

C20H14O6

Molecular Mass

350.32

Cite this Page

3,3-Bis(3,4-dihydroxyphenyl)-1(3H)-isobenzofuranone.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?ref=596-28-1 (retrieved 2024-05-17) (CAS RN: 596-28-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H14O6/c21-15-7-5-11(9-17(15)23)20(12-6-8-16(22)18(24)10-12)14-4-2-1-3-13(14)19(25)26-20/h1-10,21-24H

InChIKey

InChIKey=QPFLFTVMWJJXKU-UHFFFAOYSA-N

SMILES

O=C1OC(C=2C1=CC=CC2)(C3=CC(O)=C(O)C=C3)C4=CC(O)=C(O)C=C4

Canonical SMILES

O=C1OC(C2=CC=C(O)C(O)=C2)(C3=CC=C(O)C(O)=C3)C=4C=CC=CC14

Other Names for this Substance

  • 1(3H)-Isobenzofuranone, 3,3-bis(3,4-dihydroxyphenyl)-
  • Phthalide, 3,3-bis(3,4-dihydroxyphenyl)-
  • 3,3-Bis(3,4-dihydroxyphenyl)-1(3H)-isobenzofuranone
  • Pyrocatecholphthalein
  • NSC 87874

Deleted or Replaced CAS Registry Numbers

7328-54-3

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