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Product Details:
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| WhastAPP: | 008614318710728 | Skype: | +86 13798562250 |
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| Standard: | USP | Type: | Immune Function Agentsgrade |
| Other Name: | Dht | ||
| High Light: | weight loss hormone,fat loss hormones |
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L-Thyroxine (T4)
CAS: 51-48-9
EINECS: 200-101-1
Assay: 99% min. USP30
Packing: 1 kg /foil bag or tin.
MF: C15H11I4NO4
MW: 776.87
Character: White Crystalline Solid.
Usage: One of the thyroid hormones involved in the maintenance of metabolic homeostasis. Synthesized and stored as amino acid residues of thyroglobulin, the major protein component of the thyroid follicular colloid. Synthesis and secretion are regulated by the p.
COA:
Item |
Specification | Result | |
| Appearance | An odorless, almost white or buff colored powder | pass | |
| Solubility | 1,Very slightly soluble in water | pass | |
| 2,slightly soluble in alcohol | pass | ||
| 3,practically insoluble in most other organic solvents | pass | ||
| 4,disolves in diluted aqueous sodium hydroxide solutions | Pass | ||
| Identification | a) Heat about 50 mg with a few drops of sulfuric acid in a porcelain crucible: violet vapors of iodine are evolved. | pass | |
| b)The retention time of the major peak is confirm to the RS | pass | ||
| Loss on Drying | Not more than 4.0% | 0.46% | |
[a]20/D C=1 in 1M HCl/EtOH 1:4 |
+18 ~ +22o |
+20.9o | |
| Assay(HPLC) | Not less than 95.0% | 99.18% | |
| Levothyroxine sodium | Not more than 5.0% | 0.68% | |
| Conclusion: | Up to the Standard for Export | ||
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