Pyrazol-5-ol
CAS Registry Number®
137-45-1
CAS Name
Pyrazol-5-olMolecular Formula
C3H4N2OMolecular Mass
84.08Cite this Page
Pyrazol-5-ol. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=137-45-1 (retrieved ) (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
Deleted or Replaced CAS Registry Numbers
31470-09-4, 34855-41-9, 60456-92-0