3-Amino-1H-pyrazol-5-ol

CAS Registry Number®

53666-79-8

CAS Name

3-Amino-1H-pyrazol-5-ol

Molecular Formula

C3H5N3O

Molecular Mass

99.09

Cite this Page

3-Amino-1H-pyrazol-5-ol.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=53666-79-8 (retrieved 2025-07-01) (CAS RN: 53666-79-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C3H5N3O/c4-2-1-3(7)6-5-2/h1H,(H4,4,5,6,7)

InChIKey

InChIKey=QZBGOTVBHYKUDS-UHFFFAOYSA-N

SMILES

NC=1C=C(O)NN1

Canonical SMILES

OC1=CC(=NN1)N

Other Names for this Substance

  • 1H-Pyrazol-5-ol, 3-amino-
  • 3-Amino-1H-pyrazol-5-ol
  • 5-Aminopyrazol-3-ol

CAS INSIGHTSTM
Purple and red filaments produced by electrostatic discharge inside a plasma ball.