Click the mouse on the molecule to view the answer; click on the button to view the correct numbering sequence.
butanoyl chloride
The numbering sequence is shown below; the "oyl" suffix indicates an acid halide.
butanoic ethanoic anhydride
The numbering sequence is shown below; to name anhydrides, simply string the names of the parents together, and attach "anhydride".
butanamide
The numbering sequence is shown below; a simple unsubstituted amide is named using the "amide" suffix.
Nomenclature of Carboxylic Acid Derivatives
For each of the compounds on the left, give an acceptable IUPAC name.