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Substance Name: Pigment Yellow 191:1
RN: 154946-66-4
UNII: 15J113M0FV
InChIKey: KOJNKGSMYHNILJ-LLIZZRELSA-N

Classification Code

  • TSCA Flag P (a Commenced PMN (Premanufacture Notice) Substance)

Molecular Formula

  • C17-H15-Cl-N4-O7-S2.2H3-N

Molecular Weight

  • 520.9729
 
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Names and Synonyms

Name of Substance

  • Pigment Yellow 191:1

Synonym

  • UNII-15J113M0FV

Systematic Name

  • Benzenesulfonic acid, 4-chloro-2-(2-(4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl)diazenyl)-5-methyl-, ammonium salt (1:2)

Registry Numbers

CAS Registry Number

  • 154946-66-4

FDA UNII

  • 15J113M0FV

Other Registry Numbers

  • 221657-92-7
  • 756853-48-2

System Generated Number

  • 0154946664

Structure Descriptors

InChI

1S/C17H15ClN4O7S2.2H3N/c1-9-6-15(31(27,28)29)14(8-13(9)18)19-20-16-10(2)21-22(17(16)23)11-4-3-5-12(7-11)30(24,25)26;;/h3-8,16H,1-2H3,(H,24,25,26)(H,27,28,29);2*1H3/b20-19+;;

InChIKey

KOJNKGSMYHNILJ-LLIZZRELSA-N

Smiles

Cc1cc(c(cc1Cl)/N=N/C2C(=NN(C2=O)c3cccc(c3)S(=O)(=O)[O-])C)S(=O)(=O)[O-].[NH4+].[NH4+]