Pyrazole

CAS Registry Number®

288-13-1

CAS Name

Pyrazole

Molecular Formula

C3H4N2

Molecular Mass

68.08

Cite this Page

Pyrazole.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=288-13-1 (retrieved 2024-11-21) (CAS RN: 288-13-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    187 °C

  • Melting Point (1)

    68 °C

  • Density (2)

    0.952 g/cm³ @ Temp: 155.0 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C3H4N2/c1-2-4-5-3-1/h1-3H,(H,4,5)

InChIKey

InChIKey=WTKZEGDFNFYCGP-UHFFFAOYSA-N

SMILES

C=1C=NNC1

Canonical SMILES

N1=CC=CN1

Other Names for this Substance

  • 1H-Pyrazole
  • Pyrazole
  • 1,2-Diazole
  • NSC 45410
  • 2-Azapyrrole

Deleted or Replaced CAS Registry Numbers

53153-43-8, 116421-36-4, 1352186-78-7

CAS INSIGHTSTM
Targeted protein degrader structure, illustration