:C5H8

{{DISPLAYTITLE:C₅H₈}}

Image:C5H8isomer.gif

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

• Pentynes:

:* 1-Pentyne

:* 2-Pentyne

:* 3-Methyl-1-butyne or isopentyne, CAS 598-23-2

• Pentadienes:

:* 1,2-Pentadiene, two cis-z 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)

::* (R_a)-2,3-Pentadiene, CAS 20431-56-5

::* (S_a)-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