1-Naphthalenesulfonic acid, 2-[2-[1-(2-chloro-5-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2)

CAS Registry Number®

6359-95-1

CAS Name

1-Naphthalenesulfonic acid, 2-[2-[1-(2-chloro-5-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2)

Molecular Formula

C20H15ClN4O7S2.2Na

Cite this Page

1-Naphthalenesulfonic acid, 2-[2-[1-(2-chloro-5-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6359-95-1 (retrieved 2024-12-18) (CAS RN: 6359-95-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H15ClN4O7S2.2Na/c1-11-18(20(26)25(24-11)17-10-13(33(27,28)29)7-8-15(17)21)23-22-16-9-6-12-4-2-3-5-14(12)19(16)34(30,31)32;;/h2-10,18H,1H3,(H,27,28,29)(H,30,31,32);;

InChIKey

InChIKey=OTVKDFNTMDNBNY-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C=1C2=C(C=CC1N=NC3C(=O)N(N=C3C)C4=CC(S(=O)(=O)O)=CC=C4Cl)C=CC=C2.[Na]

Canonical SMILES

[Na].O=C1N(N=C(C)C1N=NC=2C=CC=3C=CC=CC3C2S(=O)(=O)O)C4=CC(=CC=C4Cl)S(=O)(=O)O

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 2-[2-[1-(2-chloro-5-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2)
  • 1-Naphthalenesulfonic acid, 2-[[1-(2-chloro-5-sulfophenyl)-3-methyl-5-oxo-2-pyrazolin-4-yl]azo]-, disodium salt
  • 1-Naphthalenesulfonic acid, 2-[[1-(2-chloro-5-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-, disodium salt
  • C.I. 18930
  • Supramine Yellow S

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CAS INSIGHTSTM
Pile of blue, green, and white color of capsule pills with modern design light.