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Substance Name: FD&C Red No. 2
RN: 642-59-1
UNII: 02J7X17ZUQ
InChIKey: IRPXADUBAQAOKL-QURGRASLSA-N

Molecular Formula

  • C20-H14-N2-O10-S3

Molecular Weight

  • 538.533
 
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Names and Synonyms

Name of Substance

  • FD&C Red No. 2

Synonyms

  • EINECS 211-385-1
  • UNII-02J7X17ZUQ

Systematic Name

  • 3-Hydroxy-4-((4-sulphonaphthyl)azo)naphthalene-2,7-disulphonic acid

Registry Numbers

CAS Registry Number

  • 642-59-1

FDA UNII

  • 02J7X17ZUQ

System Generated Number

  • 0000642591

Structure Descriptors

InChI

1S/C20H14N2O10S3/c23-20-18(35(30,31)32)10-11-9-12(33(24,25)26)5-6-13(11)19(20)22-21-16-7-8-17(34(27,28)29)15-4-2-1-3-14(15)16/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32)/b22-21+

InChIKey

IRPXADUBAQAOKL-QURGRASLSA-N

Smiles

c1(S(=O)(=O)O)c(c(\N=N\c2c3c(cccc3)c(S(=O)(=O)O)cc2)c2c(c1)cc(S(=O)(=O)O)cc2)O