levothyroxine
A synthetic form of thyroid hormone, Thyroxine. Levothyroxine is used in the treatment of thyroid hormone deficiency and certain types of thyroid tumors. It is a levorotatory enantiomer of Thyroxine. Reference standards of Levothyroxine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
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[pname] => Levothyroxine - Impurity E
[catalogue_number] => PA 12 15050
[category_ids] => ,97,105,70,
[chemical_name] =>
[weight] => 525.08
[form] => C15H13I2NO4
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Levothyroxine - Impurity E
Catalogue No.:PA 12 15050
Molecular Formula : C15H13I2NO4
Molecular Weight : 525.08
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[pname] => Levothyroxine - Impurity J
[catalogue_number] => PA 12 15100
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[weight] => 525.08
[form] => C15H13I2NO4
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Levothyroxine - Impurity J
Catalogue No.:PA 12 15100
Molecular Formula : C15H13I2NO4
Molecular Weight : 525.08
stdClass Object
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[pname] => Levothyroxine - Impurity K
[catalogue_number] => PA 12 15110
[category_ids] => ,97,105,
[chemical_name] =>
[weight] => 650.97
[form] => C15H12I3NO4
[cas] => 5817-39-0
[pslug] => 5817-39-0-levothyroxine-impurity-k-pa1215110
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Levothyroxine - Impurity K
Catalogue No.:PA 12 15110
Molecular Formula : C15H12I3NO4
Molecular Weight : 650.97