The following is a list of straight-chain alkanes, the total number of isomers of each (including branched chains), and their common names, sorted by number of carbon atoms.<!--Yes, these are user-contributed, but well-done, verified, and full of references--><!--(Redirect means the page is redirected to higher alkanes)-->
{| class="wikitable sortable" width="100%" border="1"
|-
! Number of C atoms
! Number of isomers
! Number of isomers including stereoisomers
! Molecular Formula
! Name of straight chain
! Synonyms
|-
| align=right | 1
| align=right | 1
| align=right | 1
|
| methane
| methyl hydride; natural gas
|-
| align=right | 2
| align=right | 1
| align=right | 1
|
| ethane
| dimethyl; ethyl hydride; methyl methane
|-
| align=right | 3
| align=right | 1
| align=right | 1
|
| propane
| dimethyl methane; propyl hydride
|-
| align=right | 4
| align=right | 2
| align=right | 2
|
| n-butane
| butyl hydride; methylethyl methane
|-
| align=right | 5
| align=right | 3
| align=right | 3
|
| n-pentane
| amyl hydride; Skellysolve A
|-
| align=right | 6
| align=right | 5
| align=right | 5
|
| n-hexane
| dipropyl; Gettysolve-B; hexyl hydride; Skellysolve B
|-
| align=right | 7
| align=right | 9
| align=right | 11
|
| n-heptane
| dipropyl methane; Gettysolve-C; heptyl hydride; Skellysolve C
|-
| align=right | 8
| align=right | 18
| align=right | 24
|
| n-octane
| dibutyl; octyl hydride
|-
| align=right | 9
| align=right | 35
| align=right | 55
|
| n-nonane
| nonyl hydride; Shellsol 140
|-
| align=right | 10
| align=right | 75
| align=right | 136
|
| n-decane
| decyl hydride
|-
| align=right | 11
| align=right | 159
| align=right | 345
|
| n-undecane
| hendecane
|-
| align=right | 12
| align=right | 355
| align=right | 900
|
| n-dodecane
| adakane 12; bihexyl; dihexyl; duodecane
|-
| align=right | 13
| align=right | 802
| align=right |
|
| n-tridecane
|
|-
| align=right | 14
| align=right |
| align=right |
|
| n-tetradecane
|
|-
| align=right | 15
| align=right |
| align=right |
|
| n-pentadecane
|
|-
| align=right | 16
| align=right |
| align=right |
|
| n-hexadecane
| cetane
|-
| align=right | 17
| align=right |
| align=right |
|
| n-heptadecane
|
|-
| align=right | 18
| align=right |
| align=right |
|
| n-octadecane
|
|-
| align=right | 19
| align=right |
| align=right |
|
| n-nonadecane
|
|-
| align=right | 20
| align=right |
| align=right |
|
| n-eicosane
| didecyl; icosane
|-
| align=right | 21
| align=right |
| align=right |
|
| n-heneicosane
| henicosane; uneicosane
|-
| align=right | 22
| align=right |
| align=right |
|
| n-docosane<!--Redirect-->
|
|-
| align=right | 23
| align=right |
| align=right |
|
| n-tricosane<!--Redirect-->
|
|-
| align=right | 24
| align=right |
| align=right |
|
| n-tetracosane
|
|-
| align=right | 25
| align=right |
| align=right |
|
| n-pentacosane<!--Redirect-->
|
|-
| align=right | 26
| align=right |
| align=right |
|
| n-hexacosane<!--Redirect-->
| cerane
|-
| align=right | 27
| align=right |
| align=right |
|
| n-heptacosane<!--Redirect-->
|
|-
| align=right | 28
| align=right |
| align=right |
|
| n-octacosane<!--Redirect-->
|
|-
| align=right | 29
| align=right |
| align=right |
|
| n-nonacosane
|
|-
| align=right | 30
| align=right |
| align=right |
|
| n-triacontane<!--Redirect-->
|
|-
| align=right | 31
| align=right |
| align=right |
|
| n-hentriacontane
| untriacontane
|-
| align=right | 32
| align=right |
| align=right |
|
| n-dotriacontane<!--Redirect-->
| dicetyl
|-
| align=right | 33
| align=right |
| align=right |
|
| n-tritriacontane<!--Redirect-->
|
|-
| align=right | 34
| align=right |
| align=right |
|
| n-tetratriacontane<!--Redirect-->
|
|-
| align=right | 35
| align=right |
| align=right |
|
| n-pentatriacontane
|
|-
| align=right | 36
| align=right |
| align=right |
|
| n-hexatriacontane<!--Redirect-->
|
|-
| align=right | 37
| align=right |
| align=right |
|
| n-heptatriacontane<!--Redirect-->
|
|-
| align=right | 38
| align=right |
| align=right |
|
| n-octatriacontane<!--Redirect-->
|
|-
| align=right | 39
| align=right |
| align=right |
|
| n-nonatriacontane<!--Redirect-->
|
|-
| align=right | 40
| align=right |
| align=right |
|
| n-tetracontane<!--Redirect-->
|
|-
| align=right | 41
| align=right |
| align=right |
|
| n-hentetracontane<!--Redirect-->
|
|-
| align=right | 42
| align=right |
| align=right |
|
| n-dotetracontane<!--Redirect-->
|
|-
| align=right | 43
| align=right |
| align=right |
|
| n-tritetracontane<!--Redirect-->
|
|-
| align=right | 44
| align=right |
| align=right |
|
| n-tetratetracontane<!--Redirect-->
|
|-
| align=right | 45
| align=right |
| align=right |
|
| n-pentatetracontane<!--Redirect-->
|
|-
| align=right | 46
| align=right |
| align=right |
|
| n-hexatetracontane<!--Redirect-->
|
|-
| align=right | 47
| align=right |
| align=right |
|
| n-heptatetracontane<!--Redirect-->
|
|-
| align=right | 48
| align=right |
| align=right |
|
| n-octatetracontane<!--Redirect-->
|
|-
| align=right | 49
| align=right |
| align=right |
|
| n-nonatetracontane<!--Redirect-->
|
|-
| align=right | 50
| align=right |
| align=right |
|
| n-pentacontane<!--Redirect-->
|
|-
| align=right | 51
| align=right |
| align=right |
|
| n-henpentacontane<!--Redirect-->
|
|-
| align=right | 52
| align=right |
| align=right |
|
| n-dopentacontane<!--Redirect-->
|
|-
| align=right | 53
| align=right |
| align=right |
|
| n-tripentacontane<!--Redirect-->
|
|-
| align=right | 54
| align=right |
| align=right |
|
| n-tetrapentacontane<!--Redirect-->
|
|-
| align=right | 55
| align=right |
| align=right |
|
| n-pentapentacontane<!--Redirect-->
|
|-
| align=right | 56
| align=right |
| align=right |
|
| n-hexapentacontane<!--Redirect-->
|
|-
| align=right | 57
| align=right |
| align=right |
|
| n-heptapentacontane<!--Redirect-->
|
|-
| align=right | 58
| align=right |
| align=right |
|
| n-octapentacontane<!--Redirect-->
|
|-
| align=right | 59
| align=right |
| align=right |
|
| n-nonapentacontane<!--Redirect-->
|
|-
| align=right | 60
| align=right |
| align=right |
|
| n-hexacontane<!--Redirect-->
|
|-
| align=right | 61
| align=right |
| align=right |
|
| n-henhexacontane
|
|-
| align=right | 62
| align=right |
| align=right |
|
| n-dohexacontane
|
|-
| align=right | 63
| align=right |
| align=right |
|
| n-trihexacontane
|
|-
| align=right | 64
| align=right |
| align=right |
|
| n-tetrahexacontane
|
|-
| align=right | 65
| align=right |
| align=right |
|
| n-pentahexacontane
|
|-
| align=right | 66
| align=right |
| align=right |
|
| n-hexahexacontane
|
|-
| align=right | 67
| align=right |
| align=right |
|
| n-heptahexacontane
|
|-
| align=right | 68
| align=right |
| align=right |
|
| n-octahexacontane
|
|-
| align=right | 69
| align=right |
| align=right |
|
| n-nonahexacontane
|
|-
| align=right | 70
| align=right |
| align=right |
|
| n-heptacontane<!--Redirect-->
|
|-
| align=right | 71
| align=right |
| align=right |
|
| n-henheptacontane
|
|-
| align=right | 72
| align=right |
| align=right |
|
| n-doheptacontane
|
|-
| align=right | 73
| align=right |
| align=right |
|
| n-triheptacontane
|
|-
| align=right | 74
| align=right |
| align=right |
|
| n-tetraheptacontane
|
|-
| align=right | 75
| align=right |
| align=right |
|
| n-pentaheptacontane
|
|-
| align=right | 76
| align=right |
| align=right |
|
| n-hexaheptacontane
|
|-
| align=right | 77
| align=right |
| align=right |
|
| n-heptaheptacontane
|
|-
| align=right | 78
| align=right |
| align=right |
|
| n-octaheptacontane
|
|-
| align=right | 79
| align=right |
| align=right |
|
| n-nonaheptacontane
|
|-
| align=right | 80
| align=right |
| align=right |
|
| n-octacontane<!--Redirect-->
|
|-
| align=right | 81
| align=right |
| align=right |
|
| n-henoctacontane
|
|-
| align=right | 82
| align=right |
| align=right |
|
| n-dooctacontane
|
|-
| align=right | 83
| align=right |
| align=right |
|
| n-trioctacontane
|
|-
| align=right | 84
| align=right |
| align=right |
|
| n-tetraoctacontane
|
|-
| align=right | 85
| align=right |
| align=right |
|
| n-pentaoctacontane
|
|-
| align=right | 86
| align=right |
| align=right |
|
| n-hexaoctacontane
|
|-
| align=right | 87
| align=right |
| align=right |
|
| n-heptaoctacontane
|
|-
| align=right | 88
| align=right |
| align=right |
|
| n-octaoctacontane
|
|-
| align=right | 89
| align=right |
| align=right |
|
| n-nonaoctacontane
|
|-
| align=right | 90
| align=right |
| align=right |
|
| n-nonacontane<!--Redirect-->
|
|-
| align=right | 91
| align=right |
| align=right |
|
| n-hennonacontane
|
|-
| align=right | 92
| align=right |
| align=right |
|
| n-dononacontane
|
|-
| align=right | 93
| align=right |
| align=right |
|
| n-trinonacontane
|
|-
| align=right | 94
| align=right |
| align=right |
|
| n-tetranonacontane
|
|-
| align=right | 95
| align=right |
| align=right |
|
| n-pentanonacontane
|
|-
| align=right | 96
| align=right |
| align=right |
|
| n-hexanonacontane
|
|-
| align=right | 97
| align=right |
| align=right |
|
| n-heptanonacontane
|
|-
| align=right | 98
| align=right |
| align=right |
|
| n-octanonacontane
|
|-
| align=right | 99
| align=right |
| align=right |
|
| n-nonanonacontane
|
|-
| align=right | 100
| align=right |
| align=right |
|
| n-hectane
|
|-
| align=right | 101
| align=right |
| align=right |
|
| n-henhectane
|
|-
| align=right | 102
| align=right |
| align=right |
|
| n-dohectane
|
|-
| align=right | 103
| align=right |
| align=right |
|
| n-trihectane
|
|-
| align=right | 104
| align=right |
| align=right |
|
| n-tetrahectane
|
|-
| align=right | 105
| align=right |
| align=right |
|
| n-pentahectane
|
|-
| align=right | 106
| align=right |
| align=right |
|
| n-hexahectane
|
|-
| align=right | 107
| align=right |
| align=right |
|
| n-heptahectane
|
|-
| align=right | 108
| align=right |
| align=right |
|
| n-octahectane
|
|-
| align=right | 109
| align=right |
| align=right |
|
| n-nonahectane
|
|-
| align=right | 110
| align=right |
| align=right |
|
| n-decahectane
|
|-
| align=right | 111
| align=right |
| align=right |
|
| n-undecahectane
|
|-
| align=right | 112
| align=right |
| align=right |
|
| n-dodecahectane
|
|-
| align=right | 113
| align=right |
| align=right |
|
| n-tridecahectane
|
|-
| align=right | 114
| align=right |
| align=right |
|
| n-tetradecahectane
|
|-
| align=right | 115
| align=right |
| align=right |
|
| n-pentadecahectane
|
|-
| align=right | 116
| align=right |
| align=right |
|
| n-hexadecahectane
|
|-
| align=right | 117
| align=right |
| align=right |
|
| n-heptadecahectane
|
|-
| align=right | 118
| align=right |
| align=right |
|
| n-octadecahectane
|
|-
| align=right | 119
| align=right |
| align=right |
|
| n-nonadecahectane
|
|-
| align=right | 120
| align=right |
| align=right |
|
| n-eicosahectane
|
|}
See also
- Higher alkane
- List of compounds with carbon numbers 50+