7-Benzothiazolesulfonic acid, 2-[4-[2-(1-hydroxy-4-sulfo-2-naphthalenyl)diazenyl]phenyl]-6-methyl-, sodium salt (1:2)

CAS Registry Number®

2150-33-6

CAS Name

7-Benzothiazolesulfonic acid, 2-[4-[2-(1-hydroxy-4-sulfo-2-naphthalenyl)diazenyl]phenyl]-6-methyl-, sodium salt (1:2)

Molecular Formula

C24H17N3O7S3.2Na

Cite this Page

7-Benzothiazolesulfonic acid, 2-[4-[2-(1-hydroxy-4-sulfo-2-naphthalenyl)diazenyl]phenyl]-6-methyl-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=2150-33-6 (retrieved 2024-12-23) (CAS RN: 2150-33-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C24H17N3O7S3.2Na/c1-13-6-11-18-22(23(13)37(32,33)34)35-24(25-18)14-7-9-15(10-8-14)26-27-19-12-20(36(29,30)31)16-4-2-3-5-17(16)21(19)28;;/h2-12,28H,1H3,(H,29,30,31)(H,32,33,34);;

InChIKey

InChIKey=KGHLADVESIVLCR-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C1=C2C(N=C(S2)C3=CC=C(N=NC4=C(O)C5=C(C(S(=O)(=O)O)=C4)C=CC=C5)C=C3)=CC=C1C.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC(N=NC2=CC=C(C=C2)C3=NC=4C=CC(=C(C4S3)S(=O)(=O)O)C)=C(O)C=5C=CC=CC51

Other Names for this Substance

  • 7-Benzothiazolesulfonic acid, 2-[4-[2-(1-hydroxy-4-sulfo-2-naphthalenyl)diazenyl]phenyl]-6-methyl-, sodium salt (1:2)
  • C.I. Direct Red 45, disodium salt
  • 7-Benzothiazolesulfonic acid, 2-[4-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]phenyl]-6-methyl-, disodium salt
  • C.I. Direct Red 45
  • 1741 Red

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