List of isomers of nonane

Isomers where heptane is the longest chain

• 2,2-Dimethylheptane
• 2,3-Dimethylheptane
• 2,4-Dimethylheptane
• 2,5-Dimethylheptane
• 2,6-Dimethylheptane
• 3,3-Dimethylheptane
• 3,4-Dimethylheptane
• 3,5-Dimethylheptane
• 4,4-Dimethylheptane

• 3-Ethylheptane
• 4-Ethylheptane

Isomers where hexane is the longest chain

• 2,2,3-Trimethylhexane
• 2,2,4-Trimethylhexane
• 2,2,5-Trimethylhexane
• 2,3,3-Trimethylhexane
• 2,3,4-Trimethylhexane
• 2,3,5-Trimethylhexane
• 2,4,4-Trimethylhexane
• 3,3,4-Trimethylhexane

• 3-Ethyl-2-methylhexane
• 4-Ethyl-2-methylhexane
• 3-Ethyl-3-methylhexane
• 3-Ethyl-4-methylhexane

Isomers where pentane is the longest chain

• 2,2,3,3-Tetramethylpentane
• 2,2,3,4-Tetramethylpentane
• 2,2,4,4-Tetramethylpentane
• 2,3,3,4-Tetramethylpentane

• 3-Ethyl-2,2-dimethylpentane
• 3-Ethyl-2,3-dimethylpentane
• 3-Ethyl-2,4-dimethylpentane

• 3,3-Diethylpentane