Alias : T3 Sodium Salt , T3, Na , O-[4-Hydroxy-3-Iodophenyl]-3,5-Diiodo-L-Tyrosine Sodium Salt , Liothyronine Sodium , Liothyronine Sodium Salt , H-Thy(3,3′,5-I3)-Ona Alias: Cytomel T3 ; 3,3′,5-triiodothyronine sodium CAS NO: 55-06-1 Einecs No: 200-223-5 MF: C15H11I3NNaO4 MW: 672.96 Organic Herbal Weight Loss Powders For Tablet / Capsule , Einecs No. 200-223-5 Purity: 98.0% Appearance: white or light yellow powder, almost tasteless.