5-Chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methylbenzenesulfonic acid

CAS Registry Number®

15958-19-7

CAS Name

5-Chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methylbenzenesulfonic acid

Molecular Formula

C17H13ClN2O4S

Molecular Mass

376.81

Cite this Page

5-Chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methylbenzenesulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=15958-19-7 (retrieved 2024-11-25) (CAS RN: 15958-19-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C17H13ClN2O4S/c1-10-8-14(16(9-13(10)18)25(22,23)24)19-20-17-12-5-3-2-4-11(12)6-7-15(17)21/h2-9,21H,1H3,(H,22,23,24)

InChIKey

InChIKey=IYHIFXGFKVJNBB-UHFFFAOYSA-N

SMILES

N(=NC1=C(S(=O)(=O)O)C=C(Cl)C(C)=C1)C=2C3=C(C=CC2O)C=CC=C3

Canonical SMILES

O=S(=O)(O)C1=CC(Cl)=C(C=C1N=NC2=C(O)C=CC=3C=CC=CC32)C

Other Names for this Substance

  • Benzenesulfonic acid, 5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-
  • C.I. Pigment Red 53
  • Benzenesulfonic acid, 5-chloro-2-[(2-hydroxy-1-naphthalenyl)azo]-4-methyl-
  • p-Toluenesulfonic acid, 5-chloro-2-(2-hydroxy-1-naphthylazo)-
  • 5-Chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methylbenzenesulfonic acid

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Deleted or Replaced CAS Registry Numbers

12238-40-3

CAS INSIGHTSTM
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