Pyrazol-5-ol

CAS Registry Number®

137-45-1
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CAS Name

Pyrazol-5-ol

Molecular Formula

C3H4N2O

Molecular Mass

84.08

Cite this Page

Pyrazol-5-ol.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=60456-92-0 (retrieved 2024-04-28) (CAS RN: 137-45-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    160-162 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C3H4N2O/c6-3-1-2-4-5-3/h1-2H,(H2,4,5,6)

InChIKey

InChIKey=XBYRMPXUBGMOJC-UHFFFAOYSA-N

SMILES

O=C1C=CNN1

Canonical SMILES

O=C1C=CNN1

Other Names for this Substance

  • 3H-Pyrazol-3-one, 1,2-dihydro-
  • 3-Pyrazolin-5-one
  • Pyrazol-3(or 5)-ol
  • 1,2-Dihydro-3H-pyrazol-3-one
  • 3-Pyrazolone

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Deleted or Replaced CAS Registry Numbers

31470-09-4, 34855-41-9, 60456-92-0

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