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Substance Name: FD&C Yellow No. 5 free acid
RN: 34175-08-1
UNII: 6TP696149N
InChIKey: RFKITWRHKUYMRJ-ISLYRVAYSA-N

Molecular Formula

  • C16-H12-N4-O9-S2

Molecular Weight

  • 468.422
 
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Names and Synonyms

Name of Substance

  • FD&C Yellow No. 5 free acid

Synonyms

  • EINECS 251-862-1
  • UNII-6TP696149N

Systematic Name

  • 4,5-Dihydro-5-oxo-1-(4-sulphophenyl)-4-((4-sulphophenyl)azo)-1H-pyrazole-3-carboxylic acid

Registry Numbers

CAS Registry Number

  • 34175-08-1

FDA UNII

  • 6TP696149N

Related Registry Number

  • 1934-21-0 (Parent)

System Generated Number

  • 0034175081

Structure Descriptors

InChI

1S/C16H12N4O9S2/c21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29/h1-8,13H,(H,22,23)(H,24,25,26)(H,27,28,29)/b18-17+

InChIKey

RFKITWRHKUYMRJ-ISLYRVAYSA-N

Smiles

O=C(O)C1=NN(C(=O)[C@@H]1\N=N\c1ccc(S(=O)(=O)O)cc1)c1ccc(S(=O)(=O)O)cc1