Alcohol Nomenclature(IUPAC)
1 Methanol

CH4O
2 Ethanol

C2H6O
3 Propanol

C3H8O
1-Propanol
2-Propanol
4 Butanol

C4H10O
1-Butanol
2-Butanol @ @
5 Pentanol

C5H12O
1-Pentanol
2-Pentanol
3-Pentanol