IUPAC Name of C₇H₁₆ | 3-methylhexane

What is the IUPAC name of C₇H₁₆?

The IUPAC name of C₇H₁₆ is 3-methylhexane. It is a alkane with a 6-carbon parent chain (hexane) with a methyl at position 3 substituent.

FormulaC₇H₁₆
IUPAC Name3-methylhexane
Compound ClassAlkane
Parent Chainhexane (6 carbons)
Substituentsmethyl at C3
DifficultyIntermediate

Step 1: Identify the Parent Chain

The longest continuous carbon chain in C₇H₁₆ contains 6 carbon atoms, giving the parent name hexane.

Step 2: Number and Name Substituents

Number the parent chain so that substituents receive the lowest possible locants. 3-methylhexane has one substituent:

Step 3: Assemble the IUPAC Name

Combine the substituent locants and names (in alphabetical order) as prefixes to the parent chain name. If two or more identical substituents are present, use the multiplying prefixes di-, tri-, tetra-, etc. The complete IUPAC name is 3-methylhexane.

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