Synthroid Weight Loss Steroids Levothyroxine Sodium T4 Muscle Building CAS 25416-65-3

Synthroid Weight Loss Steroids Levothyroxine Sodium T4 Muscle Building CAS 25416-65-3 Quick detail: Levothyroxine Sodium Product name: Levothyroxine Sodium Other Names: T4 cas: 25416-65-3 Purity: 99% EINECS:200-221-4 Molecular Formula:C15H11I4NNaO4 Molecular Weight:799.8592 Appearance:White or white crystalline powder product description:  Levothyroxine, also L-thyroxine or T4, is a synthetic form of the thyroid hormone thyroxine, which is normally secreted by the follicular cells of the thyroid gland. It is also used to treat thyroid hormone deficiency, and occasionally to prevent the recurrence of thyroid cancer. Like its naturally secreted counterpart. COA:  [a]20/D C=1 in 1M HCL/ETOH 1:4 +18°~+22° +20.7° Loss On Drying Not more than 4.0% 3.89% Assay(HPLC) Not less than 95.00% 98.70% Levothyroxine sodium Not more than 5.0% 0.61% Conclusion Up to Standard for Export