1,3,4(2H)-Isoquinolinetrione

CAS Registry Number®

521-73-3
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CAS Name

1,3,4(2H)-Isoquinolinetrione

Molecular Formula

C9H5NO3

Molecular Mass

175.14

Cite this Page

1,3,4(2H)-Isoquinolinetrione.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=521-73-3 (retrieved 2024-08-28) (CAS RN: 521-73-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    228-229 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C9H5NO3/c11-7-5-3-1-2-4-6(5)8(12)10-9(7)13/h1-4H,(H,10,12,13)

InChIKey

InChIKey=YIOFGHHAURBGSJ-UHFFFAOYSA-N

SMILES

O=C1C=2C(C(=O)NC1=O)=CC=CC2

Canonical SMILES

O=C1NC(=O)C=2C=CC=CC2C1=O

Other Names for this Substance

  • 1,3,4(2H)-Isoquinolinetrione
  • Phthalonimide
  • Isoquinoline-1,3,4-trione
  • NSC 407248