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Substance Name: Direct Black 3 free acid
RN: 224790-31-2
UNII: UIT0U544O0
InChIKey: NQZIRZFUIYEPSW-DUJDKOHPSA-N

Molecular Formula

  • C26-H19-N5-O4-S

Molecular Weight

  • 497.5331
 
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Names and Synonyms

Name of Substance

  • Direct Black 3 free acid

Synonyms

  • 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-3-((4-(phenylazo)-1-naphthalenyl)azo)-
  • 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-3-(2-(4-(2-phenyldiazenyl)-1-naphthalenyl)diazenyl)-
  • Direct Black 3 free acid
  • UNII-UIT0U544O0

Registry Numbers

CAS Registry Number

  • 224790-31-2

FDA UNII

  • UIT0U544O0

System Generated Number

  • 0224790312

Structure Descriptors

InChI

1S/C26H19N5O4S/c27-17-11-10-16-14-24(36(33,34)35)25(26(32)21(16)15-17)31-30-23-13-12-22(19-8-4-5-9-20(19)23)29-28-18-6-2-1-3-7-18/h1-15,32H,27H2,(H,33,34,35)/b29-28+,31-30+

InChIKey

NQZIRZFUIYEPSW-DUJDKOHPSA-N

Smiles

Nc1ccc2cc(c(N=Nc3ccc(N=Nc4ccccc4)c5ccccc35)c(O)c2c1)S(=O)(=O)O