L-Methionine is a common sulfur-containing amino acid that is commonly used for the isotopic labeling of methionine protein residues for NMR spectroscopy studies. Methionine is a common methyl-group donor to various substrates, such as creatine, epinephrine, ergosterol, and choline.
EC Number: 200-562-9 (unlabeled)
CAS Number: 49705-26-02
Formula: *CH3SCH2CH2CH(NH2)COOH (molecular weight: 150.20)
Synonyms: (S)-2-amino-4-(methylmercapto)butyric acid/L-2-amino-4-(methylthio)cutanoic acid
L-Methionine (Methyl-13C) is supplied in a glass vial containing 225 mg with ≥99% 13C isotopic atom purity.
For Research Use Only. Not for use in diagnostic procedures.