D-Thyroxine [51-49-0]

D-Thyroxine [51-49-0] is a professionally supplied chemical reagent, featuring the molecular formula C15H11I4NO4 and a molecular weight of 776.87. This organic compound belongs to the thyroid hormone family, specifically the tetraiodothyronines (T4) class. This specific offering is presented as an off-white or light yellow powder, with a pH range of 5 - 6 and water content less than 11.0%. It is important to note that the iodides content is less than 0.08%, while the D-Liothyronine content is between 2.0% and 3.0%, with D-Levothyroxine making up 97 - 103% of the total composition. For optimal storage, keep D-Thyroxine at temperatures between -15 to -20 °C.

• CAS Number: 51-49-0
• Molecular Formula: C15H11I4NO4
• Exact Mass: 776.6867
• Molecular Weight: 776.87
• GHS Signal Word: Danger
• Iodides Content: <0.08%
• Hazard Statements:
• H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]