Cyclopentadiene

CAS Registry Number®

542-92-7

CAS Name

Cyclopentadiene

Molecular Formula

C5H6

Molecular Mass

66.10

Cite this Page

Cyclopentadiene.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=542-92-7 (retrieved 2024-11-21) (CAS RN: 542-92-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    41.5-42.1 °C @ Press: 760 Torr

  • Melting Point (1)

    -85 °C

  • Density (1)

    0.8021 g/cm³ @ Temp: 20 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/C5H6/c1-2-4-5-3-1/h1-4H,5H2

InChIKey

InChIKey=ZSWFCLXCOIISFI-UHFFFAOYSA-N

SMILES

C1C=CC=C1

Canonical SMILES

C=1C=CCC1

Other Names for this Substance

  • 1,3-Cyclopentadiene
  • R-Pentine
  • Pentole
  • Pyropentylene
  • Cyclopentadiene

Deleted or Replaced CAS Registry Numbers

26912-33-4, 2351150-22-4

CAS INSIGHTSTM
Targeted protein degrader structure, illustration