The Student Room Group

Naming amino acid

http://filestore.aqa.org.uk/subjects/AQA-CHEM4-QP-JUN15.PDF

7bii

why is the molecule not named 1-amino-2-methylbutanoic acid?
Original post by will'o'wisp
http://filestore.aqa.org.uk/subjects/AQA-CHEM4-QP-JUN15.PDF

7bii

why is the molecule not named 1-amino-2-methylbutanoic acid?


Ah that's because the first carbon is the carboxylic acid group, and you count from there.

That's just an IUPAC rule

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