L-Methionine is an essential amino acid required by the human body, serving as a fundamental building block for protein synthesis. It plays critical biosynthetic roles, notably as the precursor for the amino acid cysteine and the key methylation agent S-adenosylmethionine.
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Histidine monohydrochloride
essential amino acid supplement
L-Histidine hydrochloride
essential amino acid supplement
Lysine hydrochloride
Essential amino acid supplement
Phenylalanine
nutritional supplement and flavoring agent
Ammonium acetate
preserving meats and food
1,2,3-trimethoxybenzene
Flavoring agent
D-malic acid
food additive and buffering agent
L-(²H₃)Methionine
research compound
The international HS code for L-methionine (CAS 63-68-3) is 2930.40.
2930.40
2930 40 10
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(2S)-2-amino-4-methylsulfanylbutanoic acid
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CSCC[C@@H](C(=O)O)N
Sourcing L-methionine?
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