Pure T4 Powder Levothyroxine Pharma L-thyroxine For Weight Loss Fat Burning Chemical Levothyroxine T4 Product Name: Levothyroxine Other Names: T4; 3,5,3′,5′-tetraiodothyronine; tetraiodothyronine CAS No : 51-48-9 Molecular Formula: C15H11I4NO4 Molecular Weight: 776.87 EINECS: 200-101-1 Melting Point: 232°C we supply Purity 99% Min T4 Levothyroxine Pharm Materials in Raw Powder form. What is Levothyroxine T4 ? Levothyroxine, also known as L-thyroxine, …