Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4′,5′-dichloro-3′,6′-dihydroxy-, sodium salt (1:2)

CAS Registry Number®

3474-67-7

CAS Name

Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4′,5′-dichloro-3′,6′-dihydroxy-, sodium salt (1:2)

Molecular Formula

C20H10Cl2O5.2Na

Molecular Mass

447.18

Cite this Page

Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4′,5′-dichloro-3′,6′-dihydroxy-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3474-67-7 (retrieved 2025-05-08) (CAS RN: 3474-67-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H10Cl2O5.2Na/c21-15-13(23)7-5-11-17(15)26-18-12(6-8-14(24)16(18)22)20(11)10-4-2-1-3-9(10)19(25)27-20;;/h1-8,23-24H;;

InChIKey

InChIKey=CNPXJWKUXFRIJJ-UHFFFAOYSA-N

SMILES

O=C1OC2(C=3C(OC=4C2=CC=C(O)C4Cl)=C(Cl)C(O)=CC3)C=5C1=CC=CC5.[Na]

Canonical SMILES

[Na].O=C1OC2(C3=CC=C(O)C(Cl)=C3OC4=C(Cl)C(O)=CC=C42)C=5C=CC=CC15

Other Names for this Substance

  • Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4′,5′-dichloro-3′,6′-dihydroxy-, sodium salt (1:2)
  • Fluorescein, 4′,5′-dichloro-, disodium salt
  • Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4′,5′-dichloro-3′,6′-dihydroxy-, disodium salt
  • Fluorescein, 4′,5′-dichloro-, sodium deriv., sodium salt
  • C.I. 45365

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Deleted or Replaced CAS Registry Numbers

34318-01-9, 80162-03-4

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