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 C
[catalogue_number] => PA 12 15030
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[form] => C14H9I3O4
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Levothyroxine - Impurity C
Catalogue No.:PA 12 15030
Molecular Formula : C14H9I3O4
Molecular Weight : 621.93
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[pname] => Levothyroxine - Impurity D
[catalogue_number] => PA 12 15040
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Levothyroxine - Impurity D
Catalogue No.:PA 12 15040
Molecular Formula : C14H8I4O4
Molecular Weight : 747.83
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[pname] => Levothyroxine - Impurity I
[catalogue_number] => PA 12 15090
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[weight] => 717.80
[form] => C13H6I4O3
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Levothyroxine - Impurity I
Catalogue No.:PA 12 15090
Molecular Formula : C13H6I4O3
Molecular Weight : 717.80
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[pname] => 3,5,3',5'-Tetraiodo Thyromandelic Acid
[catalogue_number] => PA 12 15700
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[form] => C14H8I4O5
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3,5,3',5'-Tetraiodo Thyromandelic Acid
Catalogue No.:PA 12 15700
Molecular Formula : C14H8I4O5
Molecular Weight : 763.83
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3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]lactic Acid
Catalogue No.:PA 12 15720
Molecular Formula : C15H10I4O5
Molecular Weight : 777.85
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2-Amino-3-(4-(4-hydroxyphenoxy)-3,5-diiodophenyl)propanoic Acid
Catalogue No.:PA 12 15730
Molecular Formula : C15H13I2NO4
Molecular Weight : 525.08
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2-(4-(4-Hydroxyphenoxy)-3,5-diiodophenyl)acetic Acid
Catalogue No.:PA 12 15740
Molecular Formula : C14H10I2O4
Molecular Weight : 496.04
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3,3’,5-Triiodo Thyroacetic Acid n-Butyl Ester
Catalogue No.:PA 12 15880
Molecular Formula : C18H17I3O4
Molecular Weight : 678.04
