3-Methyl-2-pyrazolin-5-one

CAS Registry Number®

108-26-9

CAS Name

3-Methyl-2-pyrazolin-5-one

Molecular Formula

C4H6N2O

Molecular Mass

98.10

Cite this Page

3-Methyl-2-pyrazolin-5-one.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=108-26-9 (retrieved 2024-11-23) (CAS RN: 108-26-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    220 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H6N2O/c1-3-2-4(7)6-5-3/h2H2,1H3,(H,6,7)

InChIKey

InChIKey=NHLAPJMCARJFOG-UHFFFAOYSA-N

SMILES

CC=1CC(=O)NN1

Canonical SMILES

O=C1NN=C(C)C1

Other Names for this Substance

  • 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-
  • 2-Pyrazolin-5-one, 3-methyl-
  • 2,4-Dihydro-5-methyl-3H-pyrazol-3-one
  • 3-Methyl-2-pyrazolin-5-one
  • 3-Methyl-Δ2-pyrazol-5-one

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Deleted or Replaced CAS Registry Numbers

206195-93-9, 937063-51-9

CAS INSIGHTSTM
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