2-(2-Tosylaminophenyl)-4H-3,1-benzoxazin-4-one

CAS Registry Number®

3808-20-6

CAS Name

2-(2-Tosylaminophenyl)-4H-3,1-benzoxazin-4-one

Molecular Formula

C21H16N2O4S

Molecular Mass

392.43

Cite this Page

2-(2-Tosylaminophenyl)-4H-3,1-benzoxazin-4-one.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3808-20-6 (retrieved 2025-07-01) (CAS RN: 3808-20-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    221 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C21H16N2O4S/c1-14-10-12-15(13-11-14)28(25,26)23-19-9-5-2-6-16(19)20-22-18-8-4-3-7-17(18)21(24)27-20/h2-13,23H,1H3

InChIKey

InChIKey=LIVHLIWSCIZRJU-UHFFFAOYSA-N

SMILES

N(S(=O)(=O)C1=CC=C(C)C=C1)C2=C(C=CC=C2)C3=NC=4C(C(=O)O3)=CC=CC4

Canonical SMILES

O=C1OC(=NC=2C=CC=CC12)C=3C=CC=CC3NS(=O)(=O)C4=CC=C(C=C4)C

Other Names for this Substance

  • Benzenesulfonamide, 4-methyl-N-[2-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl]-
  • p-Toluenesulfonanilide, 2′-(4-oxo-4H-3,1-benzoxazin-2-yl)-
  • 4H-3,1-Benzoxazine, benzenesulfonamide deriv.
  • 4-Methyl-N-[2-(4-oxo-4H-3,1-benzoxazin-2-yl)phenyl]benzenesulfonamide
  • 2-(2-Tosylamidophenyl)-4H-3,1-benzoxazin-4-one

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CAS INSIGHTSTM
Purple and red filaments produced by electrostatic discharge inside a plasma ball.