4-Amino-3(2H)-pyridazinone

CAS Registry Number®

55271-46-0

CAS Name

4-Amino-3(2H)-pyridazinone

Molecular Formula

C4H5N3O

Molecular Mass

111.10

Cite this Page

4-Amino-3(2H)-pyridazinone.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=55271-46-0 (retrieved 2024-11-24) (CAS RN: 55271-46-0).  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/C4H5N3O/c5-3-1-2-6-7-4(3)8/h1-2H,(H2,5,6)(H,7,8)

InChIKey

InChIKey=VROMXVIODDASTK-UHFFFAOYSA-N

SMILES

NC=1C(=O)NN=CC1

Canonical SMILES

O=C1NN=CC=C1N

Other Names for this Substance

  • 3(2H)-Pyridazinone, 4-amino-
  • 4-Amino-3(2H)-pyridazinone
  • 5-Aminopyridazin-6(1H)-one