| Bioactivity | Thyroxine sulfate is a thyroid hormone metabolite. |
| Invitro | Thyroxine sulfate (T4S) is a normal component of human serum and amniotic fluid, and it is mostly derived from thyroxine peripherally and accumulates when type I 5-monodeiodinating activity is low in fetuses or inhibited by drugs, such as ipodate[1]. |
| Name | Thyroxine sulfate |
| CAS | 77074-49-8 |
| Formula | C15H11I4NO7S |
| Molar Mass | 856.93 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | -20°C, sealed storage, away from moisture *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture) |