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CAS 67627-19-4: 1H-Indole-5,7-disulfonic acid, 2-(1,3-dihydro-3-oxo-5,7-disulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, potassium salt (1:4)

Formula:C16H10N2O14S4·4K
InChI:InChI=1S/C16H10N2O14S4.4K/c19-15-7-1-5(33(21,22)23)3-9(35(27,28)29)11(7)17-13(15)14-16(20)8-2-6(34(24,25)26)4-10(12(8)18-14)36(30,31)32;;;;/h1-4,17-18H,(H,21,22,23)(H,24,25,26)(H,27,28,29)(H,30,31,32);;;;
InChI key:InChIKey=BYNSPPSRHICOPO-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)C1=C2C(C(=O)C(N2)=C3NC=4C(C3=O)=CC(S(=O)(=O)O)=CC4S(=O)(=O)O)=CC(S(=O)(=O)O)=C1.[K]
Synonyms:
  • 1H-Indole-5,7-disulfonic acid, 2-(1,3-dihydro-3-oxo-5,7-disulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, tetrapotassium salt
  • 1H-Indole-5,7-disulfonic acid, 2-(1,3-dihydro-3-oxo-5,7-disulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, potassium salt (1:4)
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