Indigo carmine

More details:

• Systematic name

  Disodium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5-indolinesulfonate

• SMILES

  c1cc2c(cc1S(=O)(=O)[O-])C(=O)/C(=C\3/C(=O)c4cc(ccc4N3)S(=O)(=O)[O-])/N2.[Na+].[Na+]

• Std. InChi

  InChI=1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2/b14-13+;;

• Std. InChIKey

  KHLVKKOJDHCJMG-QDBORUFSSA-L

• Cite this record

  CSID:4447431, http://www.chemspider.com/Chemical-Structure.4447431.html (accessed 17:22, Nov 30, 2023)