Solvent Yellow 18

CAS Registry Number®

6407-78-9

CAS Name

Solvent Yellow 18

Molecular Formula

C18H18N4O

Molecular Mass

306.36

Cite this Page

Solvent Yellow 18.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=6407-78-9 (retrieved 2025-01-03) (CAS RN: 6407-78-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C18H18N4O/c1-12-9-10-16(13(2)11-12)19-20-17-14(3)21-22(18(17)23)15-7-5-4-6-8-15/h4-11,17H,1-3H3

InChIKey

InChIKey=KLQVCADYSBUVAV-UHFFFAOYSA-N

SMILES

O=C1N(N=C(C)C1N=NC2=C(C)C=C(C)C=C2)C3=CC=CC=C3

Canonical SMILES

O=C1N(N=C(C)C1N=NC2=CC=C(C=C2C)C)C=3C=CC=CC3

Other Names for this Substance

  • 3H-Pyrazol-3-one, 4-[2-(2,4-dimethylphenyl)diazenyl]-2,4-dihydro-5-methyl-2-phenyl-
  • C.I. Solvent Yellow 18
  • 3H-Pyrazol-3-one, 4-[(2,4-dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-
  • 4-[2-(2,4-Dimethylphenyl)diazenyl]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
  • C.I. 12740

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Deleted or Replaced CAS Registry Numbers

5313-88-2, 485828-68-0

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