2-(1,3-Dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5,7-disulfonic acid

CAS Registry Number®

138574-86-4

CAS Name

2-(1,3-Dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5,7-disulfonic acid

Molecular Formula

C16H10N2O11S3

Molecular Mass

502.45

Cite this Page

2-(1,3-Dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5,7-disulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=138574-86-4 (retrieved 2025-01-03) (CAS RN: 138574-86-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H10N2O11S3/c19-15-8-3-6(30(21,22)23)1-2-10(8)17-13(15)14-16(20)9-4-7(31(24,25)26)5-11(12(9)18-14)32(27,28)29/h1-5,17-18H,(H,21,22,23)(H,24,25,26)(H,27,28,29)

InChIKey

InChIKey=CNNOYTGBYSBIAQ-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C1=C2C(C(=O)C(N2)=C3C(=O)C=4C(N3)=CC=C(S(=O)(=O)O)C4)=CC(S(=O)(=O)O)=C1

Canonical SMILES

O=C1C2=CC(=CC=C2NC1=C3NC4=C(C=C(C=C4S(=O)(=O)O)S(=O)(=O)O)C3=O)S(=O)(=O)O

Other Names for this Substance

  • 1H-Indole-5,7-disulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-
  • 2-(1,3-Dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5,7-disulfonic acid
  • Indigo-5,5′,7-trisulfonic acid

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