List of straight-chain alkanes

The following is a list of straight-chain and branched alkanes and their common names, sorted by number of carbon atoms. (R means the page is redirected to higher alkanes)

Number of C atoms	Number of isomers	Number of isomers including stereoisomers	Molecular Formula	Name of straight chain	Synonyms
1	1	1	CH4	Methane	methyl hydride; natural gas
2	1	1	C2H6	Ethane	dimethyl; ethyl hydride; methyl methane
3	1	1	C3H8	Propane	dimethyl methane; propyl hydride
4	2	2	C4H10	n-Butane	butyl hydride; methylethyl methane
5	3	3	C5H12	n-Pentane	amyl hydride; Skellysolve A
6	5	5	C6H14	n-Hexane	dipropyl; Gettysolve-B; hexyl hydride; Skellysolve B
7	9	11	C7H16	n-Heptane	dipropyl methane; Gettysolve-C; heptyl hydride; Skellysolve C
8	18	24	C8H18	n-Octane	dibutyl; octyl hydride
9	35	55	C9H20	n-Nonane	nonyl hydride; Shellsol 140
10	75	136	C10H22	n-Decane	decyl hydride
11	159	345	C11H24	n-Undecane	hendecane
12	355	900	C12H26	n-Dodecane	adakane 12; bihexyl; dihexyl; duodecane
13	802	2412	C13H28	n-Tridecane
14	1858	6563	C14H30	n-Tetradecane
15	4347	18127	C15H32	n-Pentadecane
16	10359	50699	C16H34	n-Hexadecane	cetane
17	24894	143255	C17H36	n-Heptadecane
18	60523	408429	C18H38	n-Octadecane
19	148284	1173770	C19H40	n-Nonadecane
20	366319	3396844	C20H42	n-eicosane	didecyl eicosane
21	910726	9891650	C21H44	n-Heneicosane(R)	heneicosane
22	2278638	28972080	C22H46	n-Docosane(R)
23	5731580	85289390	C23H48	n-Tricosane(R)
24	14490245	252260276	C24H50	n-Tetracosane	tetrakosane
25	36797588	749329719	C25H52	n-Pentacosane(R)	Paraffin Wax
26	93839412	2234695030	C26H54	n-Hexacosane(R)	cerane; hexeikosane
27	240215803	6688893603	C27H56	n-Heptacosane(R)
28	617105614	20089296554	C28H58	n-Octacosane(R)
29	1590507121	60526543480	C29H60	n-Nonacosane
30	4111846763	182896187256	C30H62	n-Triacontane(R)
31	10660307791	554188210352	C31H64	n-Hentriacontane	untriacontane
32	27711253769	1683557607211	C32H66	n-Dotriacontane(R)	dicetyl
33	72214088660	5126819371356	C33H68	n-Tritriacontane(R)
34	188626236139	15647855317080	C34H70	n-Tetratriacontane(R)
35	493782952902	47862049187447	C35H72	n-Pentatriacontane(R)
36	1295297588128	146691564302648	C36H74	n-Hexatriacontane(R)
37	3404490780161	450451875783866	C37H76	n-Heptatriacontane
38	8964747474595	1385724615285949	C38H78	n-Octatriacontane
39	23647478933969	4270217915878409	C39H80	n-Nonatriacontane
40	62481801147341	13180446189326135	C40H82	n-Tetracontane(R)
41	165351455535782	40745751356421890	C41H84	n-Hentetracontane
42	438242894769226	126146261761339138	C42H86	n-Dotetracontane
43	1163169707886427	391089580997271932	C43H88	n-Tritetracontane
44	3091461011836856	1214115357550059889	C44H90	n-Tetratetracontane
45	8227162372221203	3773978533594435261	C45H92	n-Pentatetracontane
46	21921834086683418	1.1745467×1019	C46H94	n-Hexatetracontane
47	58481806621987010	3.6597363×1019	C47H96	n-Heptatetracontane
48	156192366474590639	1.1416068×1020	C48H98	n-Octatetracontane
49	417612400765382272	3.5649261×1020	C49H100	n-Nonatetracontane
50	1117743651746953270	1.1143789×1021	C50H102	n-Pentacontane(R)
51	2.99466×1018		C51H104	n-Henpentacontane
52	8.03108×1018		C52H106	n-Dopentacontane
53	2.15578×1019		C53H108	n-Tripentacontane
54	5.79192×1019		C54H110	n-Tetrapentacontane
55	1.55745×1020		C55H112	n-Pentapentacontane
56	4.1915×1020		C56H114	n-Hexapentacontane
57	1.12894×1021		C57H116	n-Heptapentacontane
58	3.04304×1021		C58H118	n-Octapentacontane
59	8.20862×1021		C59H120	n-Nonapentacontane
60	2.21587×1022		C60H122	n-Hexacontane(R)
61	5.98581×1022		C61H124	n-Henhexacontane
62	1.61806×1023		C62H126	n-Dohexacontane
63	4.37672×1023		C63H128	n-Trihexacontane
64	1.18462×1024		C64H130	n-Tetrahexacontane
65	3.20829×1024		C65H132	n-Pentahexacontane
66	8.69413×1024		C66H134	n-Hexahexacontane
67	2.35738×1025		C67H136	n-Heptahexacontane
68	6.39552×1025		C68H138	n-Octahexacontane
69	1.73603×1026		C69H140	n-Nonahexacontane
70	4.71485×1026		C70H142	n-Heptacontane
71	1.28115×1027		C71H144	n-Henheptacontane
72	3.48297×1027		C72H146	n-Doheptacontane
73	9.47345×1027		C73H148	n-Triheptacontane
74	2.57793×1028		C74H150	n-Tetraheptacontane
75	7.01832×1028		C75H152	n-Pentaheptacontane
76	1.91156×1029		C76H154	n-Hexaheptacontane
77	5.20874×1029		C77H156	n-Heptaheptacontane
78	1.41991×1030		C78H158	n-Octaheptacontane
79	3.87228×1030		C79H160	n-Nonaheptacontane
80	1.05645×1031		C80H162	n-Octacontane
81	2.88336×1031		C81H164	n-Henoctacontane
82	7.87256×1031		C82H166	n-Dooctacontane
83	2.15028×1032		C83H168	n-Trioctacontane
84	5.87532×1032		C84H170	n-Tetraoctacontane
85	1.60591×1033		C85H172	n-Pentaoctacontane
86	4.39100×1033		C86H174	n-Hexaoctacontane
87	1.20103×1034		C87H176	n-Heptaoctacontane
88	3.28613×1034		C88H178	n-Octaoctacontane
89	8.99410×1034		C89H180	n-Nonaoctacontane
90	2.46245×1035		C90H182	n-Nonacontane
91	6.74392×1035		C91H184	n-Hennonacontane
92	1.84752×1036		C92H186	n-Dononacontane
93	5.06282×1036		C93H188	n-Trinonacontane
94	1.38779×1037		C94H190	n-Tetranonacontane
95	3.80518×1037		C95H192	n-Pentanonacontane
96	1.04364×1038		C96H194	n-Hexanonacontane
97	2.86313×1038		C97H196	n-Heptanonacontane
98	7.85685×1038		C98H198	n-Octanonacontane
99	2.15660×1039		C99H200	n-Nonanonacontane
100	5.92107×1039		C100H202	n-Hectane
101	1.62608×1040		C101H204	n-Henihectane
102	4.46671×1040		C102H206	n-Dohectane
103	1.22727×1041		C103H208	n-Trihectane
104	3.37282×1041		C104H210	n-Tetrahectane
105	9.27143×1041		C105H212	n-Pentahectane
106	2.54918×1042		C106H214	n-Hexahectane
107	7.01051×1042		C107H216	n-Heptahectane
108	1.92839×1043		C108H218	n-Octahectane
109	5.30557×1043		C109H220	n-Nonahectane
110	1.46003×1044		C110H222	n-Decahectane
111	4.01866×1044		C111H224	n-Undecahectane
112	1.1063396×1045		C112H226	n-Dodecahectane
113	3.0479186×1045		C113H228	n-Tridecahectane
114	8.3899994×1045		C114H230	n-Tetradecahectane
115	2.3122936×1046		C115H232	n-Pentadecahectane
116	6.3675155×1046		C116H234	n-Hexadecahectane
117	1.7555388×1047		C117H236	n-Heptadecahectane
118	4.8361667×1047		C118H238	n-Octadecahectane
119	1.3338183×1048		C119H240	n-Nonadecahectane
120	3.6757402×1048		C120H242	n-Icosahectane
...

External links

• Isomer Count A calculator that can determine the number of isomers stereoisomers and structurally unfavourable isomers for a particular alkane.