IUPAC Names 0 Find the longest continuous carbon chain. Number the carbons,starting closest to the first branch. Name the groups attached to the chain, using the carbon number as the locator. Alphabetize substituents. Use di-,tri-,etc.,for multiples of same substituent. > Chapter 3 6Chapter 3 6 IUPAC Names • Find the longest continuous carbon chain. • Number the carbons, starting closest to the first branch. • Name the groups attached to the chain, using the carbon number as the locator. • Alphabetize substituents. • Use di-, tri-, etc., for multiples of same substituent. =>