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Pharmaceutical Name (substance): levothyroxine sodium
Common Brand, Trade, Commercial Denominations: Euthyrox T4, Eltroxin T4, Thyreotom Forte, Levoxyl, Synthroid, Cytomel T-4, Levo-T, Levotabs, Levothroid, Unithroid, T4, Thyroid hormone.
Manufacturers: Uni Pharma, Berlin Chemie AG (Germany), Glaxo Smith Kline.
Synonym: Therapeutic Levothyroxine
CAS number: 51-48-9
Formula: C15 H11 I4 N O4
Molecular weight of base: 798.86 (anhydrous)
Bioavailability: ~100%
Half life: ca. 7 days (in hyperthyroidism 3-4 days, in hypothyroidism 9-10 days)
Routes of administration: Oral, Intravenous
Drug Class: Synthetic thyroid hormone
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