The IUPAC name for a carboxylic acid is based on the name of the hydrocarbon with the same number of carbon atoms. The ending -oic is appended, as in ethanoic acid, which is the IUPAC name for acetic acid. Draw the structure of pentanoic acid.
The IUPAC name for a
Concept introduction:
The IUPAC name of a compound is written from its structure. The IUPAC name is made up of three parts: prefix, root, and suffix. The suffix indicates the highest-priority functional group present. Its location is written as a prefix, unless redundant. The root is the longest continuous carbon chain that also includes the highest priority functional group. The carbon atom of the highest functional group must be the part of the longest continuous chain of carbon atoms, and the numbering starts from that carbon. Any other functional groups present are listed alphabetically as prefixes along with their locant numbers.
The IUPAC name for a carboxylic acid is based on the name of the hydrocarbon with the same number of carbon atoms. The ending -oic is appended, as in ethanoic acid, which is the IUPAC name for acetic acid.
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