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Specifications

Name: L-Thyroxine
 Synonyms: 3,3',5,5'-Tetraiodo-L-thyronine; 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-L-alanine; L-2-Amino-3-[4-(4-hydroxy-3,5-diiodo-phenoxy)-3,5-diiodo-phenyl]-propanoic acid
 Molecular Formula: C15H11I4NO4
 Molecular Weight: 776.87
 CAS Registry Number: 51-48-9
 EINECS: 200-101-1
Melting point: 223 dec
 alpha: -5 degree (1N NaOH:EtOH 1:2)
 Water solubility: insoluble
Properties: The product is a white crystalline powder milk.
Uses: the product of thyroid hormone