Toluidine red

CAS Registry Number®

2425-85-6
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CAS Name

Toluidine red

Molecular Formula

C17H13N3O3

Molecular Mass

307.30

Cite this Page

Toluidine red.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=2425-85-6 (retrieved 2024-04-29) (CAS RN: 2425-85-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C17H13N3O3/c1-11-6-8-14(15(10-11)20(22)23)18-19-17-13-5-3-2-4-12(13)7-9-16(17)21/h2-10,21H,1H3

InChIKey

InChIKey=ZLFVRXUOSPRRKQ-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

O=N(=O)C1=CC(=CC=C1N=NC2=C(O)C=CC=3C=CC=CC32)C

Other Names for this Substance

  • 2-Naphthalenol, 1-[2-(4-methyl-2-nitrophenyl)diazenyl]-
  • C.I. Pigment Red 3
  • 2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-
  • Toluidine red
  • 1-[2-(4-Methyl-2-nitrophenyl)diazenyl]-2-naphthalenol

Deleted or Replaced CAS Registry Numbers

12238-48-1, 12240-01-6, 12240-02-7, 39310-30-0, 78690-69-4, 1878204-43-3

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