1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-4-[2-(4-sulfo-1-naphthalenyl)diazenyl]-1-(4-sulfophenyl)-, 3-ethyl ester, sodium salt (1:2)

CAS Registry Number®

15139-76-1
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CAS Name

1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-4-[2-(4-sulfo-1-naphthalenyl)diazenyl]-1-(4-sulfophenyl)-, 3-ethyl ester, sodium salt (1:2)

Molecular Formula

C22H18N4O9S2.2Na

Cite this Page

1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-4-[2-(4-sulfo-1-naphthalenyl)diazenyl]-1-(4-sulfophenyl)-, 3-ethyl ester, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=15139-76-1 (retrieved 2024-03-29) (CAS RN: 15139-76-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C22H18N4O9S2.2Na/c1-2-35-22(28)20-19(21(27)26(25-20)13-7-9-14(10-8-13)36(29,30)31)24-23-17-11-12-18(37(32,33)34)16-6-4-3-5-15(16)17;;/h3-12,19H,2H2,1H3,(H,29,30,31)(H,32,33,34);;

InChIKey

InChIKey=RUGOWLJUGONEMO-UHFFFAOYSA-N

SMILES

N(=NC1C(C(OCC)=O)=NN(C1=O)C2=CC=C(S(=O)(=O)O)C=C2)C=3C4=C(C(S(=O)(=O)O)=CC3)C=CC=C4.[Na]

Canonical SMILES

[Na].O=C(OCC)C1=NN(C(=O)C1N=NC2=CC=C(C=3C=CC=CC23)S(=O)(=O)O)C4=CC=C(C=C4)S(=O)(=O)O

Other Names for this Substance

  • 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-4-[2-(4-sulfo-1-naphthalenyl)diazenyl]-1-(4-sulfophenyl)-, 3-ethyl ester, sodium salt (1:2)
  • 2-Pyrazoline-3-carboxylic acid, 5-oxo-4-[(4-sulfo-1-naphthyl)azo]-1-(p-sulfophenyl)-, 3-ethyl ester, disodium salt
  • 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-4-[(4-sulfo-1-naphthalenyl)azo]-1-(4-sulfophenyl)-, 3-ethyl ester, disodium salt
  • Orange B
  • C.I. Acid Orange 137

Deleted or Replaced CAS Registry Numbers

53060-70-1

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