2(1H)-Pyrazinone, 4-oxide

CAS Registry Number®

3735-46-4

CAS Name

2(1H)-Pyrazinone, 4-oxide

Molecular Formula

C4H4N2O2

Molecular Mass

112.09

Cite this Page

2(1H)-Pyrazinone, 4-oxide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3735-46-4 (retrieved 2025-05-17) (CAS RN: 3735-46-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    245-250 °C (decomp)

Source(s)

  • (1) Denotes property values from the ZIC/VINITI data file provided by InfoChem.

Other Names and Identifiers

InChI

InChI=1S/C4H4N2O2/c7-4-3-6(8)2-1-5-4/h1-3H,(H,5,7)

InChIKey

InChIKey=PJILVKTWPIWODW-UHFFFAOYSA-N

SMILES

O=C1C=N(=O)C=CN1

Canonical SMILES

O=C1C=N(=O)C=CN1

Other Names for this Substance

  • 2(1H)-Pyrazinone, 4-oxide
  • Pyrazinol, 4-oxide
  • 2-Hydroxypyrazine 4-oxide
  • Emimycin
  • 1,2-Dihydro-2-oxopyrazine 4-oxide

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Deleted or Replaced CAS Registry Numbers

34597-51-8

CAS INSIGHTSTM
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