Ponceau S

More details:

• Systematic name

  Tetrasodium 3-hydroxy-4-[(E)-{2-sulfonato-4-[(E)-(4-sulfonatophenyl)diazenyl]phenyl}diazenyl]-2,7-naphthalenedisulfonate

• SMILES

  c1cc(ccc1/N=N/c2ccc(c(c2)S(=O)(=O)[O-])/N=N/c3c4ccc(cc4cc(c3O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

• Std. InChi

  InChI=1S/C22H16N4O13S4.4Na/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-8-3-14(11-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30;;;;/h1-11,27H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);;;;/q;4*+1/p-4/b24-23+,26-25+;;;;

• Std. InChIKey

  KQHKSGRIBYJYFX-WNDMICSESA-J

• Cite this record

  CSID:11455708, http://www.chemspider.com/Chemical-Structure.11455708.html (accessed 09:26, Apr 24, 2024)