Direct Red 23

CAS Registry Number®

3441-14-3
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CAS Name

Direct Red 23

Molecular Formula

C35H27N7O10S2.2Na

Cite this Page

Direct Red 23.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=3441-14-3 (retrieved 2024-05-02) (CAS RN: 3441-14-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C35H27N7O10S2.2Na/c1-19(43)36-22-7-9-24(10-8-22)40-42-32-30(54(50,51)52)18-21-16-26(12-14-28(21)34(32)45)38-35(46)37-25-11-13-27-20(15-25)17-29(53(47,48)49)31(33(27)44)41-39-23-5-3-2-4-6-23;;/h2-18,44-45H,1H3,(H,36,43)(H2,37,38,46)(H,47,48,49)(H,50,51,52);;

InChIKey

InChIKey=UHJHROFOUKAFJM-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=C(NC(C)=O)C=C3)C=C(NC(NC4=CC5=C(C=C4)C(O)=C(N=NC6=CC=CC=C6)C(S(=O)(=O)O)=C5)=O)C=C2.[Na]

Canonical SMILES

[Na].O=C(NC=1C=CC=2C(C1)=CC(=C(N=NC=3C=CC=CC3)C2O)S(=O)(=O)O)NC=4C=CC=5C(C4)=CC(=C(N=NC6=CC=C(C=C6)NC(=O)C)C5O)S(=O)(=O)O

Other Names for this Substance

  • 2-Naphthalenesulfonic acid, 3-[2-[4-(acetylamino)phenyl]diazenyl]-4-hydroxy-7-[[[[5-hydroxy-6-(2-phenyldiazenyl)-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-, sodium salt (1:2)
  • C.I. Direct Red 23, disodium salt
  • Benzo Fast Scarlet 4BS
  • 2-Naphthalenesulfonic acid, 3-[[4-(acetylamino)phenyl]azo]-4-hydroxy-7-[[[[5-hydroxy-6-(phenylazo)-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-, disodium salt
  • C.I. Direct Red 23

View All

Deleted or Replaced CAS Registry Numbers

104782-71-0, 113255-32-6, 70248-73-6, 147516-28-7, 331679-21-1

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