What is the correct IUPAC name for the compound CH3-CH2-CH(CH3)-CH2-CH3?

What is the correct IUPAC name for the compound CH3-CH2-CH(CH3)-CH2-CH3?

Step 1: Identify the longest continuous chain of carbon atoms in the compound. Count the number of carbon atoms in this chain.
Step 2: In the given compound CH3-CH2-CH(CH3)-CH2-CH3, the longest chain has 5 carbon atoms.
Step 3: Number the carbon atoms in the longest chain starting from one end. This helps in identifying the position of any branches.
Step 4: In this case, the numbering from one end gives us: 1-CH3, 2-CH2, 3-CH(CH3), 4-CH2, 5-CH3.
Step 5: Identify any branches (substituents) attached to the main chain. Here, there is a methyl group (CH3) attached to the third carbon.
Step 6: Combine the information: The longest chain is a pentane (5 carbons), and there is a methyl group on the third carbon.
Step 7: Write the IUPAC name by placing the position of the methyl group before the name of the longest chain: 3-methylpentane.

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