(S)-b-aminoisobutyric acid

Modify Date: 2025-08-27 21:25:08

(S)-b-aminoisobutyric acid Structure
(S)-b-aminoisobutyric acid structure
Common Name (S)-b-aminoisobutyric acid
CAS Number 4249-19-8 Molecular Weight 103.120
Density 1.1±0.1 g/cm3 Boiling Point 223.6±23.0 °C at 760 mmHg
Molecular Formula C4H9NO2 Melting Point N/A
MSDS N/A Flash Point 89.0±22.6 °C

 Use of (S)-b-aminoisobutyric acid


(S)-b-aminoisobutyric acid is a non-protein amino acid originating from the catabolism of thymine and valine.

 Names

Name (S)-3-Amino-2-methylpropanoic acid
Synonym More Synonyms

 (S)-b-aminoisobutyric acid Biological Activity

Description (S)-b-aminoisobutyric acid is a non-protein amino acid originating from the catabolism of thymine and valine.
Related Catalog
Target

Human Endogenous Metabolite

References

[1]. CRUMPLER HR, et al. beta-Aminoisobutyric acid (alpha-methyl-beta-alanine); a new amino-acid obtained from human urine. Nature. 1951 Feb 24;167(4243):307-8.

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 223.6±23.0 °C at 760 mmHg
Molecular Formula C4H9NO2
Molecular Weight 103.120
Flash Point 89.0±22.6 °C
Exact Mass 103.063332
PSA 63.32000
LogP -0.51
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.462

 Synonyms

Propanoic acid, 3-amino-2-methyl-, (2S)-
(S)-3-aminoisobutyric acid zwitterion
(2S)-3-Amino-2-methylpropanoic acid
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