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1365065

USP

Levothyroxine sodium

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Levothyroxine sodium hydrate, 3,3′,5,5′-Tetraiodo-L-thyronine monosodium salt hydrate, L-Thyroxin monosodium salt hydrate, Sodium O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine hydrate

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About This Item

Empirical Formula (Hill Notation):
C15H10I4NNaO4 · xH2O
CAS Number:
Molecular Weight:
798.85 (anhydrous basis)
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

levothyroxine

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

−20°C

SMILES string

O.[Na+].N[C@@H](Cc1cc(I)c(Oc2cc(I)c(O)c(I)c2)c(I)c1)C([O-])=O

InChI

1S/C15H11I4NO4.Na.H2O/c16-8-4-7(5-9(17)13(8)21)24-14-10(18)1-6(2-11(14)19)3-12(20)15(22)23;;/h1-2,4-5,12,21H,3,20H2,(H,22,23);;1H2/q;+1;/p-1/t12-;;/m0../s1

InChI key

ANMYAHDLKVNJJO-LTCKWSDVSA-M

Gene Information

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Levothyroxine sodium USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

STOT RE 1

Target Organs

Thyroid,Cardio-vascular system,Kidney

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Mazen Lee Hamad et al.
Pharmaceutical development and technology, 20(3), 314-319 (2013-12-04)
Levothyroxine sodium is an important medication used primarily for treating patients with hypothyroidism. Levothyroxine sodium tablets have been recalled many times since their 1955 introduction to the US market. These recalls resulted from the failure of lots to meet their

Protocols

HPLC Analysis of Levothyroxine and Liothyronine on Ascentis® Express ES-Cyano

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