Acid Orange 74

CAS Registry Number®

10127-27-2
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CAS Name

Acid Orange 74

Molecular Formula

C16H11CrN5O8S.Na

Cite this Page

Acid Orange 74.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=10127-27-2 (retrieved 2024-05-03) (CAS RN: 10127-27-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H12N5O7S.Cr.Na.H2O/c1-9-14(16(23)20(19-9)10-5-3-2-4-6-10)18-17-12-7-11(21(24)25)8-13(15(12)22)29(26,27)28;;;/h2-8,22H,1H3,(H,26,27,28);;;1H2/q-1;+3;+1;/p-3

InChIKey

InChIKey=ISGRKBPCMZHOSE-UHFFFAOYSA-K

SMILES

[OH-][Cr+3]12[N](C=3C([O-]1)=C(S(=O)(=O)[O-])C=C(N(=O)=O)C3)=N[C-]4C(=O2)N(N=C4C)C5=CC=CC=C5.[Na+]

Canonical SMILES

[Na+].O=N(=O)C1=CC2=C([O-][Cr+3]3([OH-])O=C4[C-](N=[N]23)C(=NN4C=5C=CC=CC5)C)C(=C1)S(=O)(=O)[O-]

Other Names for this Substance

  • Chromate(1-), [3-[2-[4,5-dihydro-3-methyl-5-(oxo-κO)-1-phenyl-1H-pyrazol-4-yl]diazenyl-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)]hydroxy-, sodium (1:1), (T-4)-
  • C.I. Acid Orange 74
  • Chromate(1-), [3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitrobenzenesulfonato(3-)]hydroxy-, sodium
  • Chromate(1-), [3-[[4,5-dihydro-3-methyl-5-(oxo-κO)-1-phenyl-1H-pyrazol-4-yl]azo-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)]hydroxy-, sodium, (T-4)-
  • Benzenesulfonic acid, 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitro-, chromium complex

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Deleted or Replaced CAS Registry Numbers

12220-13-2, 82249-45-4

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