Sub Group: Research Compounds Catalog Number: 10176 Formula: C18H17I4NO4 CAS Number: 17365-01-4 Molecular Weight: 818.95 Synonyms: O-(4-Hydroxy-3,5-diiodo-phenyl)-3,5-diiodo-α-methyl-DL-tyrosine Ethyl EsterDL-α-Methyl-thyroxine Ethyl EsterCG-635