Thyroxine

L-thyroxine is the L-enantiomer of thyroxine. Among its listed roles, it functions as a thyroid hormone, an antithyroid drug, a human metabolite and a mouse metabolite. It is a thyroxine, an iodophenol, a 2-halophenol, a L-phenylalanine derivative and a non-proteinogenic L-alpha-amino acid. It is the conjugate acid of L-thyroxine(1-). It is an enantiomer of a D-thyroxine. It exists as a tautomer of a L-thyroxine zwitterion. The directory classifies it as a commercial API with a natural source/manufacturing origin. Other names for this substance include Forthyron (TN), Thyratabs, Levothyroxin and Thyrax. Its PubChem CID is 5819.

CAS No 51-48-9
Molecular Formula C15H11I4NO4
Molecular Weight 776.87 g/mol
Synonyms (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoic acid

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