L-Homoserine

L-Homoserine (HO₂CCH(NH₂)CH₂CH₂OH) is a non-proteinogenic α-amino acid and a variant of serine with an additional carbon on its sidechain. Because it is too reactive to be stably incorporated into proteins, living things use it mainly as a critical biochemical precursor for essential amino acids like methionine, threonine, and isoleucine. It is grouped under the following drug class(es): Amino Acids. The directory classifies it as a commercial API with a biotechnology source/manufacturing origin. Other names for this substance include homoserine and Isothreonine. It is also listed for alternate use as: API Intermediate. Its PubChem CID is 12647.

CAS No 672-15-1
Molecular Formula C4H9NO3
Molecular Weight 119.12 g/mol
Synonyms (2S)-2-amino-4-hydroxybutanoic acid

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