Naming Molecules

One name per structure

An interactive lesson with 5 steps, about 5 minutes: you predict, drag and solve, with instant feedback on every answer. It runs in your browser and needs JavaScript.

What you’ll learn

• Parent = longest chain; number from the end nearest a branch.
• Branches named methyl, ethyl...; di-/tri- for repeats.

Steps

1. The rules
2. Find the longest chain
3. Build from a name
4. Name it
5. A longer name