• 2-methylpropane is an example of a type of alkane called a branched alkane.
  • The IUPAC system of nomenclature for branching alkanes follows a set of steps which will be applied to the example molecule below.
  • Find the longest continuous chain of carbon atoms in the molecule.
  • The atoms attached to the parent chain are called substituents.
  • Use a prefix to indicate the appearance of more than one of the same substituent in the structural formula.
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