L-Thyroxine
L-Thyroxine (Levothyroxine; T4) is a synthetic hormone for the research of hypothyroidism. DIO enzymes convert biologically active thyroid hormone (Triiodothyronine, T3) from L-Thyroxine (T4) [1].
Product Specifications
CAS Number
51-48-9
Product Name Alternative
Levothyroxine; T4
UNSPSC
12352005
Hazard Statement
H302, H315, H319, H335
Target
Endogenous Metabolite; Thyroid Hormone Receptor
Type
Natural Products
Related Pathways
Metabolic Enzyme/Protease; Vitamin D Related/Nuclear Receptor
Field of Research
Endocrinology; Cancer
Assay Protocol
https://www.medchemexpress.com/l-thyroxine.html
Purity
99.49
Solubility
1M NaOH : 5 mg/mL (ultrasonic; warming; adjust pH to 11 with NaOH; heat to 60°C) |DMSO : 233.33 mg/mL (ultrasonic) |H2O : < 0.1 mg/mL (ultrasonic; warming; heat to 60°C)
Smiles
N[C@@H](CC1=CC(I)=C(C(I)=C1)OC2=CC(I)=C(O)C(I)=C2)C(O)=O
Molecular Formula
C15H11I4NO4
Molecular Weight
776.87
Precautions
H302, H315, H319, H335
References & Citations
[1]Arici M, et al. Association between genetic polymorphism and levothyroxine bioavailability in hypothyroid patients. Endocr J. 2018 Mar 28;65 (3) :317-323.|[2]Corriveau S, et al. Levothyroxine treatment generates an abnormal uterine contractility patterns in an in vitro animalmodel. J Clin Transl Endocrinol. 2015 Sep 9;2 (4) :144-149.
Shipping Conditions
Room Temperature
Storage Conditions
-20°C, 3 years; 4°C, 2 years (Powder)
Scientific Category
Natural Products
Clinical Information
Launched
Isoform
Human Endogenous Metabolite
Citation 01
Cell Rep Med. 2023 Jun 20;4 (6) :101061.|Dis Model Mech. 2024 Aug 14:dmm.050748.|EMBO J. 2024 Aug;43 (15) :3090-3115.|Mol Brain. 2021 Jan 27;14 (1) :25.|Nat Immunol. 2024 Apr;25 (4) :659-670.|Sci Rep. 2022 Jul 4;12 (1) :11259.|Stem Cell Rev Rep. 2021 Jun;17 (3) :999-1013.|J Drug Deliv Sci Technol. 2023 Sep 28, 105008.|Ther Deliv. 2025 Oct 30:1-15.
Available Sizes
Frequently Asked Questions
More Discoveries
Explore Other Products
Browse additional items from our catalog
orb1058820 100 µL
Phospho-DAP Kinase 2 (Ser318) Rabbit Polyclonal Antibody (Cy7)
Sign In for Pricing
View Details 
IRTAMSCD4GK15CPECY5525UG 25 µg
Anti Mouse CD4 Flow Cytometry Monoclonal Clone GK15 PE/Cyanine5.5 25ug
Sign In for Pricing
View Details 
MBS1883645-01 0.01 mg
Human TAAR9-Strep full length protein-synthetic nanodisc
Sign In for Pricing
View Details