DI-Norvaline, 25 g

Norvaline is a non-proteinogenic α-amino acid and is also called DL-α-aminovaleric acid. It is produced in Gram-negative microorganisms including Escherichia coli and is also a part of the antifungal peptide produced by Bacillus subtilis. DL-Norvaline has been used as an internal standard:to analyze metabolites in cultured mammalian cells by gas chromatography-mass spectrometry (GC-MS)to convert cysteine and cystine to Cys MPA (S-2-carboxyethylthio-L-cysteine) and quantify th

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