Octane

• Molecular FormulaC₈H₁₈
• Average mass114.229 Da
• Monoisotopic mass114.140854 Da

Heptane

• Molecular FormulaC₇H₁₆
• Average mass100.202 Da
• Monoisotopic mass100.125198 Da

Pentane

• Molecular FormulaC₅H₁₂
• Average mass72.149 Da
• Monoisotopic mass72.093903 Da

Isopentane

• Molecular FormulaC₅H₁₂
• Average mass72.149 Da
• Monoisotopic mass72.093903 Da

Isohexane

• Molecular FormulaC₆H₁₄
• Average mass86.175 Da
• Monoisotopic mass86.109550 Da