Wholesale Steroid Powder L-Thyroxine Raw T4 Powder CAS 51-48-9

Wholesale steroid powder L-Thyroxine raw T4 powder CAS 51-48-9Product informationLevothyroxine or L-thyroxine is a synthetic thyroid hormonethat is chemically identical to thyroxine (T4), which is naturally secreted by the follicular cells of the thyroid gland. It is used to treatthyroid hormon

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Wholesale Steroid Powder L-Thyroxine Raw T4 Powder CAS 51-48-9
Wholesale steroid powder L-Thyroxine raw T4 powder CAS 51-48-9


Product information
Levothyroxine or L-thyroxine is a synthetic thyroid hormonethat is chemically identical to thyroxine (T4), which is naturally secreted by the follicular cells of the thyroid gland. It is used to treatthyroid hormone deficiency, and occasionally to prevent the recurrence of thyroid cancer. Like its naturally secreted counterpart, levothyroxine is a chiral compound in the L-form. The related drug dextrothyroxine (D-thyroxine) was used in the past as a treatment for hypercholesterolemia(elevated cholesterol levels) but was withdrawn due to cardiac side effects.
Certificate of Analysis

Item

Specifications

Results

Appearance

White or almost white  

crystalline powder 

white crystalline powder

Assay

97.0%~102.0%   

99.20%

Identification  

complies with the standard  

complies

Specific rotation  

-5.2°~-6.2°   

-5°

Loss on drying  

max.3.0%   

0.55%

Residue on ignition                    

max.0.1%  

0.05%

Heavy metals                      

max.30ppm    

complies

Related substance  (TLC)  

max. 1.0%

complies

- total impurities                       

max. 2.0%

complies

Concultion

The results conforms with USP32 standards 

 
Wholesale Steroid Powder L-Thyroxine Raw T4 Powder CAS 51-48-9

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Wholesale Steroid Powder L-Thyroxine Raw T4 Powder CAS 51-48-9

 

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