L-Thyroxine sodium salt pentahydrate

For research use only.

Catalog No.S5193 Synonyms: Sodium Levothyroxine pentahydrate, L-T4 sodium pentahydrate

L-Thyroxine sodium salt pentahydrate Chemical Structure

CAS No. 6106-07-6

L-Thyroxine (Levothyroxine, L-T4) sodium salt pentahydrate is a synthetic T4 hormone used to counterbalance hypothyroidism.

Purity & Quality Control

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Biological Activity

Description L-Thyroxine (Levothyroxine, L-T4) sodium salt pentahydrate is a synthetic T4 hormone used to counterbalance hypothyroidism.

Protocol

Solubility (25°C)

In vitro DMSO 100 mg/mL (112.49 mM)
Water Insoluble
Ethanol Insoluble

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 888.93
Formula

C15H20I4NNaO9

CAS No. 6106-07-6
Storage powder
in solvent
Synonyms Sodium Levothyroxine pentahydrate, L-T4 sodium pentahydrate

In vivo Formulation Calculator (Clear solution)

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Molarity Calculator

Molarity Calculator

Calculate the mass, volume or concentration required for a solution. The Selleck molarity calculator is based on the following equation:

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*When preparing stock solutions, please always use the batch-specific molecular weight of the product found on the via label and SDS / COA (available on product pages).

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Dilution Calculator

Calculate the dilution required to prepare a stock solution. The Selleck dilution calculator is based on the following equation:

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* When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / COA (available online).

The Serial Dilution Calculator Equation

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Definitions of molecular mass, molecular weight, molar mass and molar weight:

Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.

Molarity Calculator

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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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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID