3′,6′-Dimercaptospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one

CAS Registry Number®

25319-73-7

CAS Name

3′,6′-Dimercaptospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one

Molecular Formula

C20H12O3S2

Molecular Mass

364.44

Cite this Page

3′,6′-Dimercaptospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=25319-73-7 (retrieved 2025-01-07) (CAS RN: 25319-73-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H12O3S2/c21-19-13-3-1-2-4-14(13)20(23-19)15-7-5-11(24)9-17(15)22-18-10-12(25)6-8-16(18)20/h1-10,24-25H

InChIKey

InChIKey=QOMSORNLFVSVPW-UHFFFAOYSA-N

SMILES

O=C1OC2(C=3C1=CC=CC3)C=4C(OC=5C2=CC=C(S)C5)=CC(S)=CC4

Canonical SMILES

O=C1OC2(C3=CC=C(S)C=C3OC4=CC(S)=CC=C42)C=5C=CC=CC15

Other Names for this Substance

  • Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 3′,6′-dimercapto-
  • Dithiofluorescein
  • Fluoran, 3′,6′-dimercapto-
  • 3′,6′-Dimercaptospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one
  • Thiofluorescein

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