IUPAC Name of C₆H₁₄ | 3-methylpentane

What is the IUPAC name of C₆H₁₄?

The IUPAC name of C₆H₁₄ is 3-methylpentane. It is a alkane with a 5-carbon parent chain (pentane) with a methyl at position 3 substituent.

FormulaC₆H₁₄
IUPAC Name3-methylpentane
Compound ClassAlkane
Parent Chainpentane (5 carbons)
Substituentsmethyl at C3
DifficultyIntermediate

Step 1: Identify the Parent Chain

The longest continuous carbon chain in C₆H₁₄ contains 5 carbon atoms, giving the parent name pentane.

Step 2: Number and Name Substituents

Number the parent chain so that substituents receive the lowest possible locants. 3-methylpentane 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-methylpentane.

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