| Bioactivity | L-Thyroxine sodium (Levothyroxine sodium) is a synthetic hormone for the research of hypothyroidism. DIO enzymes convert biologically active thyroid hormone (Triiodothyronine,T3) from L-Thyroxine (T4)[1]. |
| Name | L-Thyroxine sodium |
| CAS | 55-03-8 |
| Formula | C15H10I4NNaO4 |
| Molar Mass | 798.85 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | 4°C, sealed storage, away from moisture and light *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light) |