4-[4-[2-(3-Ethyl-2(3H)-benzoxazolylidene)ethylidene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid

CAS Registry Number®

27583-41-1

CAS Name

4-[4-[2-(3-Ethyl-2(3H)-benzoxazolylidene)ethylidene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid

Molecular Formula

C21H19N3O5S

Molecular Mass

425.46

Cite this Page

4-[4-[2-(3-Ethyl-2(3H)-benzoxazolylidene)ethylidene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=27583-41-1 (retrieved 2024-11-25) (CAS RN: 27583-41-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    >310 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C21H19N3O5S/c1-3-23-18-6-4-5-7-19(18)29-20(23)13-12-17-14(2)22-24(21(17)25)15-8-10-16(11-9-15)30(26,27)28/h4-13H,3H2,1-2H3,(H,26,27,28)

InChIKey

InChIKey=ZHDYUNFDUDYQNL-UHFFFAOYSA-N

SMILES

C(C)N1C=2C(OC1=CC=C3C(=O)N(N=C3C)C4=CC=C(S(=O)(=O)O)C=C4)=CC=CC2

Canonical SMILES

O=C1C(=CC=C2OC=3C=CC=CC3N2CC)C(=NN1C4=CC=C(C=C4)S(=O)(=O)O)C

Other Names for this Substance

  • Benzenesulfonic acid, 4-[4-[2-(3-ethyl-2(3H)-benzoxazolylidene)ethylidene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-
  • Benzenesulfonic acid, p-[4-[2-(3-ethyl-2-benzoxazolinylidene)ethylidene]-3-methyl-5-oxo-2-pyrazolin-1-yl]-
  • Benzenesulfonic acid, 4-[4-[(3-ethyl-2(3H)-benzoxazolylidene)ethylidene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-
  • 4-[4-[2-(3-Ethyl-2(3H)-benzoxazolylidene)ethylidene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid

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