5-Pyrazolone
CAS Registry Number®
137-44-0
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CAS Name
5-PyrazoloneMolecular Formula
C3H4N2OMolecular Mass
84.08Cite this Page
5-Pyrazolone. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=137-44-0 (retrieved ) (CAS RN: 137-44-0). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Boiling Point (1)
143-144 °C @ Press: 0.3 TorrMelting Point (2)
268 °C
Source(s)
Other Names and Identifiers
InChI
InChI=1S/C3H4N2O/c6-3-1-2-4-5-3/h2H,1H2,(H,5,6)
InChIKey
InChIKey=ZRHUHDUEXWHZMA-UHFFFAOYSA-N
SMILES
O=C1CC=NN1
Canonical SMILES
O=C1NN=CC1
Other Names for this Substance
- 3H-Pyrazol-3-one, 2,4-dihydro-
- 2-Pyrazolin-5-one
- 2,4-Dihydro-3H-pyrazol-3-one
- 5-Pyrazolone
- 1H-Pyrazol-5(4H)-one
