IUPAC Naming

methane

parent: meth

# of carbon: 1

ethane

Parent: eth

Number of Carbon: 2

propane

parent: prop

Number of Carbon: 3

butane

parent: but

number of C: 4

pentane

parent: pent

number of C: 5

hexane

parent: hex

number of C: 6

heptane

parent: hept

number of C: 7

octane

parent: oct

number of C: 8

nonane

parent: non

number of C: 9

decane

parent: dec

number of C: 10

hectane

parent: hect

number of C: 100

Cyclo

indicates presence of a ring

substituent with 1 carbon

methyl

substituent with 2 carbon

ethyl

substituent with 3 carbon

propyl

substituent with 4 carbon

butyl

substituent with 5 carbon

pentyl

substituent with 6 carbon

hexyl

substituent with 7 carbon

heptyl

substituent with 8 carbon

octyl

substituent with 9 carbon

nonyl

substituent with 10 carbon

decyl

substituents are first