3-Methyl-2-pyrazolin-5-one

C4H6N2OCAS 108-26-998.10 g/mol

NNHO
Imine

Properties

Molecular formula
C4H6N2O
Molar mass
98.10 g/mol
Exact mass
98.0480 Da
Melting point
220 °C
logP
0.72Crippen estimate
Polar surface area
45.0 Ų
H-bond donors / acceptors
1 / 2
Rotatable bonds
0

Hazards

Warning
Environmental Hazard (GHS09)

Aggregated from 122 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P273, P391, P501

Identifiers

CAS number
108-26-9
SMILES
CC1=NN=C(O)C1
InChIKey
NHLAPJMCARJFOG-UHFFFAOYSA-N
InChI
InChI=1S/C4H6N2O/c1-3-2-4(7)6-5-3/h2H2,1H3,(H,6,7)

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Type any one amount. The others follow from the molar mass.

Names and synonyms

13 names · show all
  • 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-δ2-pyrazol-5-one
  • 3-Methyl-5-oxo-2-pyrazoline
  • 3-Methyl-1H-4,5-dihydropyrazol-5-one
  • 3-Methyl-1H-pyrazolin-5-one
  • 3-Methyl-1H-pyrazol-5(4H)-one
  • 3-Methyl-4H-pyrazole-5-one
  • 1H-3-Methylpyrazol-5-one
  • 3-Methyl-1,4-dihydro-5-pyrazolone
  • 3-Methyl-4,5-dihydro-1H-pyrazol-5-one
  • 3-Methyl-1,4-dihydropyrazol-5-one

Work with 3-Methyl-2-pyrazolin-5-one

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere