c5h8

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Constitution formula for isomers of C5H8 with CAS numbers

The molecular formula C5H8 may refer lớn any of the following hydrocarbons:

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  • Pentynes:
  • 1-Pentyne
  • 2-Pentyne
  • 3-Methyl-1-butyne or isopentyne, CAS 598-23-2
  • Pentadienes:
  • 1,2-Pentadiene, two cis-trans isomers, CAS 591-95-7
  • 1,3 Pentadiene, CAS 504-60-9 (racemic mixture)
  • cis-1,3-Pentadiene or (Z)-1,3-pentadiene, CAS 1574-41-0
  • trans-1,3-Pentadiene or (E)-1,3-pentadiene, or Piperylene
  • 1,4-Pentadiene, CAS 591-93-5
  • 2,3-Pentadiene, two axial isomers, CAS 591-96-8 (racemic mixture)
  • (Ra)-2,3-Pentadiene, CAS 20431-56-5
  • (Sa)-2,3-Pentadiene, CAS 23190-25-2
  • Butadiene derivatives:
  • 3-Methyl-1,2-butadiene, CAS 598-25-4
  • 2-Methyl-1,3-butadiene or isoprene
  • Cyclopentene
  • Cyclobutane derivatives:
  • Methylenecyclobutane, CAS 1120-56-5
  • Cyclobutene derivatives:
  • 1-Methylcyclobutene, CAS 1489-60-7
  • 3-Methylcyclobutene, CAS 1120-55-4 (racemic mixture)
  • (R)-3-Methylcyclobutene, CAS 20476-28-2
  • (S)-3-Methylcyclobutene, CAS 30334-81-7
  • Cyclopropane derivatives:
  • Ethenylcyclopropane or Vinylcyclopropane
  • Ethylidenecyclopropane, CAS 18631-83-9
  • 2-Methyl-1-methylenecyclopropane, CAS 18631-84-0 (racemic mixture)
  • (R)-2-Methyl-1-methylenecyclopropane
  • (S)-2-Methyl-1-methylenecyclopropane
  • Cyclopropene derivatives:
  • 1-Ethylcyclopropene, CAS 34189-00-9
  • 3-Ethylcyclopropene, CAS 203442-62-0
  • 1,2-Dimethylcyclopropene, CAS 14309-32-1
  • 1,3-Dimethylcyclopropene, CAS 82190-83-8 (racemic)
  • (R)-1,3-Dimethylcyclopropene
  • (S)-1,3-Dimethylcyclopropene
  • 3,3-Dimethylcyclopropene, CAS 3907-06-0
  • Bicyclopentane
  • Bicyclo[1.1.1]pentane, CAS 311-75-1
  • Bicyclo[2.1.0]pentane or housane, CAS 185-94-4
  • Spiro[2.2]pentane or spiropentane, CAS 157-40-4

Functional groups[edit]

The formula may also represent a monovalent functional group derived from any hydrocarbon with formula C
5
H
9
by removal of one hydrogen atom; or a divalent group derived from C
5
H
10
minus two hydrogens; and sánh on.

See also[edit]

  • Vinylcyclopropane rearrangement