Benzenesulfonic acid, 2,5-dichloro-4-[4-[2-[2-[(ethylphenylamino)sulfonyl]phenyl]diazenyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-, sodium salt (1:1)

CAS Registry Number®

12217-38-8
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CAS Name

Benzenesulfonic acid, 2,5-dichloro-4-[4-[2-[2-[(ethylphenylamino)sulfonyl]phenyl]diazenyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-, sodium salt (1:1)

Molecular Formula

C24H21Cl2N5O6S2.Na

Cite this Page

Benzenesulfonic acid, 2,5-dichloro-4-[4-[2-[2-[(ethylphenylamino)sulfonyl]phenyl]diazenyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-, sodium salt (1:1).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=12217-38-8 (retrieved 2024-09-22) (CAS RN: 12217-38-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C24H21Cl2N5O6S2.Na/c1-3-30(16-9-5-4-6-10-16)38(33,34)21-12-8-7-11-19(21)27-28-23-15(2)29-31(24(23)32)20-13-18(26)22(14-17(20)25)39(35,36)37;/h4-14,23H,3H2,1-2H3,(H,35,36,37);

InChIKey

InChIKey=FDRSQYHRUAZRKC-UHFFFAOYSA-N

SMILES

O=C1N(N=C(C)C1N=NC2=C(S(N(CC)C3=CC=CC=C3)(=O)=O)C=CC=C2)C4=C(Cl)C=C(S(=O)(=O)O)C(Cl)=C4.[Na]

Canonical SMILES

[Na].O=C1N(N=C(C)C1N=NC=2C=CC=CC2S(=O)(=O)N(C=3C=CC=CC3)CC)C4=CC(Cl)=C(C=C4Cl)S(=O)(=O)O

Other Names for this Substance

  • Benzenesulfonic acid, 2,5-dichloro-4-[4-[2-[2-[(ethylphenylamino)sulfonyl]phenyl]diazenyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-, sodium salt (1:1)
  • C.I. Acid Yellow 61
  • Benzenesulfonic acid, 2,5-dichloro-4-[4-[[2-[(ethylphenylamino)sulfonyl]phenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-, sodium salt
  • Eriosin Fast Yellow P
  • Mitsui Nylon Fast Yellow G

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Deleted or Replaced CAS Registry Numbers

141490-07-5, 385816-17-1