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Substance Name: Trisodium 7-hydroxy-8-((2-methoxy-5-methyl-4-sulfophenyl)azo)-1,3-naphthalenedisulfonate
RN: 374784-31-3
UNII: N5521DH3GD
InChIKey: RFXURVMKQJEHAE-HVARVCSCSA-K

Molecular Formula

  • C18-H13-N2-O11-S3.3Na

Molecular Weight

  • 598.4717
 
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Names and Synonyms

Name of Substance

  • Trisodium 7-hydroxy-8-((2-methoxy-5-methyl-4-sulfophenyl)azo)-1,3-naphthalenedisulfonate

Synonyms

  • 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-(2-(2-methoxy-5-methyl-4-sulfophenyl)diazenyl)-, sodium salt (1:3)
  • Cresidine sulfonic acid azo G salt color standard
  • Trisodium 7-hydroxy-8-((2-methoxy-5-methyl-4-sulfophenyl)azo)-1,3-naphthalenedisulfonate
  • UNII-N5521DH3GD

Registry Numbers

CAS Registry Number

  • 374784-31-3

FDA UNII

  • N5521DH3GD

System Generated Number

  • 0374784313

Structure Descriptors

InChI

1S/C18H16N2O11S3.3Na/c1-9-5-12(14(31-2)8-15(9)33(25,26)27)19-20-18-13(21)4-3-10-6-11(32(22,23)24)7-16(17(10)18)34(28,29)30;;;/h3-8,21H,1-2H3,(H,22,23,24)(H,25,26,27)(H,28,29,30);;;/q;3*+1/p-3/b20-19+;;;

InChIKey

RFXURVMKQJEHAE-HVARVCSCSA-K

Smiles

[Na+].[Na+].[Na+].COc1cc(c(C)cc1N=Nc2c(O)ccc3cc(cc(c23)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-]