T4 (Levothyroxine)

100mcg/mL solution (3mg/30mL) For More Information Click Here Levothyroxine Clinical data Other names 3,5,3′,5′-Tetraiodo-L-thyronine AHFS/Drugs.com Monograph MedlinePlus a682461 License data US DailyMed: Levothyroxine Pregnancycategory AU: A[1] Routes ofadministration Oral, intravenous ATC code H03AA01 (WHO) Pharmacokinetic data Bioavailability 40-80%[5] Metabolism Mainly in liver, kidneys, brain and muscles Elimination half-life ca. 7 days (in hyperthyroidism 3–4 days, in hypothyroidism 9–10 days) Excretion Feces and urine Identifiers CAS Number 51-48-9 6106-07-6 (levothyroxine sodium hydrate) PubChem CID 5819 DrugBank DB00451 ChemSpider 5614 UNII Q51BO43MG4 KEGG D08125 as salt: D01010 ChEBI CHEBI:18332 ChEMBL ChEMBL1624 CompTox Dashboard (EPA) DTXSID8023214  ECHA InfoCard 100.000.093  Chemical and physical data Formula C15H11I4NO4 Molar mass 776.874 g·mol−1 3D model (JSmol) Interactive image Melting point 231 to 233 °C (448 to 451 °F) [6] Solubility in water Slightly soluble (0.105 mg·mL−1 at 25 °C)[7] mg/mL (20 °C) **The information provided is intended solely for educational purposes and should not be considered a replacement for professional medical advice. Additionally, it is important to note that research chemicals are intended solely for laboratory study by professional researchers and are not intended for human consumption.**