Prefixes for Organic Molecules
# of Carbon
Atoms
Prefix
1
Meth
2
Eth
3
Prop
4
But
5
Pent
6
Hex
7
Hept
8
Oct
9
Non
10
Dec
11
Undec
12
Dodec
13
Tridec
14
Tetradec
15
Pentadec
16
Hexadec
17
Heptadec
18
Octadec
19
Nonadec
20
Icos