Piperazinone

CAS Registry Number®

5625-67-2

CAS Name

Piperazinone

Molecular Formula

C4H8N2O

Molecular Mass

100.12

Cite this Page

Piperazinone.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=5625-67-2 (retrieved 2025-04-02) (CAS RN: 5625-67-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    165 °C @ Press: 5 Torr

  • Melting Point (2)

    134-135 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H8N2O/c7-4-3-5-1-2-6-4/h5H,1-3H2,(H,6,7)

InChIKey

InChIKey=IWELDVXSEVIIGI-UHFFFAOYSA-N

SMILES

O=C1CNCCN1

Canonical SMILES

O=C1NCCNC1

Other Names for this Substance

  • 2-Piperazinone
  • Piperazinone
  • 2(1H)-Pyrazinone, tetrahydro-
  • 2-Ketopiperazine
  • 2-Oxopiperazine

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Deleted or Replaced CAS Registry Numbers

1228675-32-8

CAS INSIGHTSTM
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