L-Thyroxine

Catalog No.S2599 Synonyms: NSC 36397

For research use only.

L-Thyroxine (NSC 36397) is a synthetic form of thyroxine and a hormone replacement drug.

L-Thyroxine Chemical Structure

CAS No. 51-48-9

Purity & Quality Control

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Biological Activity

Description L-Thyroxine (NSC 36397) is a synthetic form of thyroxine and a hormone replacement drug.

Protocol (from reference)

Solubility (25°C)

In vitro

Chemical Information

Molecular Weight 776.87
Formula

C15H11I4NO4

CAS No. 51-48-9
Storage 3 years -20°C powder
2 years -80°C in solvent
Smiles C1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)O)I)I)CC(C(=O)O)N

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

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Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

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Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Molarity Calculator

Mass Concentration Volume Molecular Weight

Clinical Trial Information

NCT Number Recruitment Interventions Conditions Sponsor/Collaborators Start Date Phases
NCT03646383 Recruiting Procedure: Radiofrequency ablation Benign Thyroid Nodules University Hospital Toulouse January 29 2019 Not Applicable

(data from https://clinicaltrials.gov, updated on 2022-08-01)

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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