What is the structural formula for 2-methylpropane? Organic Chemistry Ways to Draw and Represent Molecules Bond Line Notation 1 Answer anor277 Jun 22, 2016 #2-"methylpropane"#? Explanation: #H_3C-CH(CH_3)-CH_3#. The longest chain is 3 carbons long; a methyl group substitutes the chain at #C2#. Answer link Related questions How many isomers are there for propene, #C_3H_6#? What are Bond Line Views? What is bond line notation? Is bond line notation the same as skeletal structure diagrams? How are C-C bonds represented in bond line notation? Why are hydrogen atoms omitted in bond line notation? How do you represent triple bonds in bond line notation? What is the difference between Lewis structure and bond line notation? What is the bond line notation for pentane? What is the bond line notation for cyclohexane? See all questions in Bond Line Notation Impact of this question 32756 views around the world You can reuse this answer Creative Commons License