alpha-Aminobutyric acid

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α-Aminobutyric acid
Alpha-aminobutyric acid.png
IUPAC name
Other names 2-Aminobutyric acid; α-Aminobutanoic acid; Ethylglycine
Identifiers
CAS number 2835-81-6 Yes check.svgY
PubChem 6657
SMILES
Properties
Molecular formula C4H9NO2
Molar mass 103.12 g/mol
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

α-Aminobutyric acid (AABA) is an isomer of the amino acid aminobutyric acid with chemical formula C4H9NO2. There is also gamma-aminobutyric acid (GABA) and beta-aminobutyric acid.

It is a key intermediate in the biosynthesis of ophthalmic acid or ophthalmate, which was first isolated from calf lens.