4-Chloro-6-hydroxy-3(2H)-pyridazinone

CAS Registry Number®

5397-64-8
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CAS Name

4-Chloro-6-hydroxy-3(2H)-pyridazinone

Molecular Formula

C4H3ClN2O2

Molecular Mass

146.53

Cite this Page

4-Chloro-6-hydroxy-3(2H)-pyridazinone.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=5397-64-8 (retrieved 2024-08-18) (CAS RN: 5397-64-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    285-288 °C (decomp)

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H3ClN2O2/c5-2-1-3(8)6-7-4(2)9/h1H,(H,6,8)(H,7,9)

InChIKey

InChIKey=WNPMDHKYJTZOFF-UHFFFAOYSA-N

SMILES

ClC=1C(=O)NNC(=O)C1

Canonical SMILES

O=C1C=C(Cl)C(=O)NN1

Other Names for this Substance

  • 3(2H)-Pyridazinone, 4-chloro-6-hydroxy-
  • 3,6-Pyridazinedione, 4-chloro-1,2-dihydro-
  • 3(2H)-Pyridazinone, 5-chloro-6-hydroxy-
  • 4-Chloro-6-hydroxy-3(2H)-pyridazinone
  • 4-Chloropyridazine-3,6-diol

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Deleted or Replaced CAS Registry Numbers

20744-36-9, 29354-94-7