This is the list of the 75 isomers of decane.
Straight-chain Decane
Nonane 2-Methylnonane 3-Methylnonane 4-Methylnonane 5-Methylnonane
Octane
Ethyl 3-Ethyloctane 4-Ethyloctane
Dimethyl
Heptane
Propyl 4-Propylheptane 4-(1-Methylethyl)heptane or 4-Isopropylheptane
Ethyl+Methyl
Trimethyl
Hexane
Methyl+Propyl 2-Methyl-3-(1-methylethyl)hexane or 3-Isopropyl-2-methylhexane
Diethyl 3,3-Diethylhexane 3,4-Diethylhexane
Ethyl+Dimethyl
Tetramethyl
Pentane
Dimethyl+Propyl 2,4-Dimethyl-3-(1-methylethyl)pentane or 3-Isopropyl-2,4-dimethylpentane
Diethyl+Methyl 3,3-Diethyl-2-methylpentane
Ethyl+Trimethyl 3-Ethyl-2,2,3-trimethylpentane 3-Ethyl-2,2,4-trimethylpentane 3-Ethyl-2,3,4-trimethylpentane
Pentamethyl 2,2,3,3,4-Pentamethylpentane 2,2,3,4,4-Pentamethylpentane
References
