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T4 (Levothyroxine)

T4 (Levothyroxine)

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Size

100mcg/mL solution (3mg/30mL)

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Levothyroxine
Clinical data

Other names 3,5,3′,5′-Tetraiodo-L-thyronine
AHFS/Drugs.com Monograph
MedlinePlus a682461
License data
Pregnancy
category
Routes of
administration
Oral, intravenous
ATC code
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
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard 100.000.093 Edit this at Wikidata
Chemical and physical data
Formula C15H11I4NO4
Molar mass 776.874 g·mol−1
3D model (JSmol)
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.**
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