| Synonyms | Levothyroxine EP Impurity B, Levothyroxine Chloro Impurity, 3-Chloro Thyroxine | 
|---|---|
| Chemical Name | (2S)-2-Amino-3-[4-(3-chloro-4-hydroxy-5-iodophenoxy)-3,5-diiodophenyl] propanoic acid | 
| CAS No | 1628720-66-0 | 
| Molecular Formula | C15H11ClI3NO4 | 
| Molecular Weight | 685.42 | 
 Levothyroxine EP Impurity B