Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4,7-dichloro-3′,6′-dihydroxy-2′,4′,5′,7′-tetraiodo-, sodium salt (1:2)

CAS Registry Number®

18265-55-9

CAS Name

Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4,7-dichloro-3′,6′-dihydroxy-2′,4′,5′,7′-tetraiodo-, sodium salt (1:2)

Molecular Formula

C20H6Cl2I4O5.2Na

Cite this Page

Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4,7-dichloro-3′,6′-dihydroxy-2′,4′,5′,7′-tetraiodo-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=18265-55-9 (retrieved 2024-12-23) (CAS RN: 18265-55-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H6Cl2I4O5.2Na/c21-7-1-2-8(22)12-11(7)19(29)31-20(12)5-3-9(23)15(27)13(25)17(5)30-18-6(20)4-10(24)16(28)14(18)26;;/h1-4,27-28H;;

InChIKey

InChIKey=CBAGGKDMOYNLEX-UHFFFAOYSA-N

SMILES

ClC1=C2C3(C=4C(OC=5C3=CC(I)=C(O)C5I)=C(I)C(O)=C(I)C4)OC(=O)C2=C(Cl)C=C1.[Na]

Canonical SMILES

[Na].O=C1OC2(C3=CC(I)=C(O)C(I)=C3OC4=C(I)C(O)=C(I)C=C42)C=5C(Cl)=CC=C(Cl)C15

Other Names for this Substance

  • Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4,7-dichloro-3′,6′-dihydroxy-2′,4′,5′,7′-tetraiodo-, sodium salt (1:2)
  • Fluorescein, 4,7-dichloro-2′,4′,5′,7′-tetraiodo-, disodium salt
  • Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4,7-dichloro-3′,6′-dihydroxy-2′,4′,5′,7′-tetraiodo-, disodium salt
  • Rose Bengal G
  • C.I. Acid Red 93

Deleted or Replaced CAS Registry Numbers

198831-94-6

CAS INSIGHTSTM
Pile of blue, green, and white color of capsule pills with modern design light.