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Substance Name: C.i. food Yellow 3 (free acid)
RN: 5859-11-0
UNII: G2B7JWK1GG
InChIKey: KEYWXKLGZZGHMT-ISLYRVAYSA-N

Molecular Formula

  • C16-H12-N2-O7-S2

Molecular Weight

  • 408.41
 
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Names and Synonyms

Name of Substance

  • C.i. food Yellow 3 (free acid)

Synonyms

  • EINECS 227-504-5
  • UNII-G2B7JWK1GG

Systematic Name

  • 6-Hydroxy-5-((4-sulphophenyl)azo)naphthalene-2-sulphonic acid

Registry Numbers

CAS Registry Number

  • 5859-11-0

FDA UNII

  • G2B7JWK1GG

System Generated Number

  • 0005859110

Structure Descriptors

InChI

1S/C16H12N2O7S2/c19-15-8-1-10-9-13(27(23,24)25)6-7-14(10)16(15)18-17-11-2-4-12(5-3-11)26(20,21)22/h1-9,19H,(H,20,21,22)(H,23,24,25)/b18-17+

InChIKey

KEYWXKLGZZGHMT-ISLYRVAYSA-N

Smiles

c12c(cc(S(O)(=O)=O)cc2)ccc(c1\N=N\c1ccc(S(O)(=O)=O)cc1)O