5-Chloro-4-hydroxy-3-[2-[4-(6-methyl-2-benzothiazolyl)phenyl]diazenyl]-2,7-naphthalenedisulfonic acid

CAS Registry Number®

25188-33-4

CAS Name

5-Chloro-4-hydroxy-3-[2-[4-(6-methyl-2-benzothiazolyl)phenyl]diazenyl]-2,7-naphthalenedisulfonic acid

Molecular Formula

C24H16ClN3O7S3

Molecular Mass

590.05

Cite this Page

5-Chloro-4-hydroxy-3-[2-[4-(6-methyl-2-benzothiazolyl)phenyl]diazenyl]-2,7-naphthalenedisulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=25188-33-4 (retrieved 2024-11-22) (CAS RN: 25188-33-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C24H16ClN3O7S3/c1-12-2-7-18-19(8-12)36-24(26-18)13-3-5-15(6-4-13)27-28-22-20(38(33,34)35)10-14-9-16(37(30,31)32)11-17(25)21(14)23(22)29/h2-11,29H,1H3,(H,30,31,32)(H,33,34,35)

InChIKey

InChIKey=PPLAVEDSTMYVTD-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=C(C=C3)C=4SC=5C(N4)=CC=C(C)C5)C=C(S(=O)(=O)O)C=C2Cl

Canonical SMILES

O=S(=O)(O)C=1C=C(Cl)C2=C(O)C(N=NC3=CC=C(C=C3)C4=NC5=CC=C(C=C5S4)C)=C(C=C2C1)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 5-chloro-4-hydroxy-3-[2-[4-(6-methyl-2-benzothiazolyl)phenyl]diazenyl]-
  • C.I. Direct Red 20
  • 2,7-Naphthalenedisulfonic acid, 5-chloro-4-hydroxy-3-[[4-(6-methyl-2-benzothiazolyl)phenyl]azo]-
  • 5-Chloro-4-hydroxy-3-[2-[4-(6-methyl-2-benzothiazolyl)phenyl]diazenyl]-2,7-naphthalenedisulfonic acid

CAS INSIGHTSTM
Hourglass and a clock