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
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[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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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
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Levothyroxine - Impurity K
Catalogue No.:PA 12 15110
Molecular Formula : C15H12I3NO4
Molecular Weight : 650.97
stdClass Object
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[pname] => Levothyroxine Sodium
[catalogue_number] => PA 12 15510
[category_ids] => ,70,78,80,82,97,
[chemical_name] =>
[weight] => 798.85
[form] => C15H10I4NNaO4
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Catalogue No.:PA 12 15510
Molecular Formula : C15H10I4NNaO4
Molecular Weight : 798.85
stdClass Object
(
[pname] => Levothyroxine Ethyl Ester
[catalogue_number] => PA 12 15520
[category_ids] => ,97,80,78,70,82,
[chemical_name] =>
[weight] => 804.92
[form] => C17H15I4NO4
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Levothyroxine Ethyl Ester
Catalogue No.:PA 12 15520
Molecular Formula : C17H15I4NO4
Molecular Weight : 804.92
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[pname] => Levothyroxine Methyl Ester
[catalogue_number] => PA 12 15530
[category_ids] => ,97,80,81,78,70,82,
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[weight] => 790.9
[form] => C16H13I4NO4
[cas] => 32180-11-3
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Levothyroxine Methyl Ester
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[pname] => Levothyroxine D-Isomer
[catalogue_number] => PA 12 15710
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[chemical_name] =>
[weight] => 776.87
[form] => C15H11I4NO4
[cas] => 51-49-0
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Catalogue No.:PA 12 15710
Molecular Formula : C15H11I4NO4
Molecular Weight : 776.87
stdClass Object
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[pname] => 3,3’,5-Triiodo-L-thyronine 4’-O-Sulfate
[catalogue_number] => PA 12 15900
[category_ids] => ,97,80,76,75,78,70,82,88,
[chemical_name] =>
[weight] => 731.04
[form] => C15H12I3NO7S
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3,3’,5-Triiodo-L-thyronine 4’-O-Sulfate
Catalogue No.:PA 12 15900
Molecular Formula : C15H12I3NO7S
Molecular Weight : 731.04
