Root Words :- It indicates continuous chain of carbon atoms.
Chain Length | Root Word | Chain Length | Root Word |
C1 | Meth- | C13 | Tridec- |
C2 | Eth- | C14 | Tetradec- |
C3 | Prop- | C15 | Pentadec- |
C4 | But- | C16 | Hexadec- |
C5 | Pent- | C20 | Eicos- |
C6 | Hex- | C21 | Uneicos- |
C7 | Hept- | C30 | Tricont- |
C8 | Oct- | C40 | tetracont- |
C9 | Non- | C50 | Pentacont- |
C10 | Dec- | C60 | Hexacont- |
C11 | Undec- | C64 | Tetrahexacont- |
C12 | Dodec- | C100 | Cent- |