Methionine is an α-amino acid, it is essential amino acid for human development. It is one of 20 standardamino acids. NPA Laboratories, LLC is providing methionine testing services for dietary supplements, food, herbal, and nutrition manufacturers.

Nutritional Phytochemical Analytical Laboratory

Molecular Weight: 149.21

Molecular Formula: C5H11NO2S

IUPAC Name: (S)-2-amino-4-(methylsulfanyl)-butanoic acid

CAS Name: Methionine

CAS number: 63-68-3

One Letter Code: M

Three Letter Code: Met


Structural Formula

3D Structural Formula

Lysine3 D structurelysine - structural formula