Liothyronine Other names: Thyroid hormone Triiodothyronine sodium

Chemical formula: C₁₅H₁₁I₃NaNO₄  Molecular mass: 650.974 g/mol  PubChem compound: 5920

Active ingredient description

Liothyronine sodium is a naturally occurring thyroid hormone. The biological action of liothyronine sodium is quantitatively similar to that of levothyroxine sodium.

Medicine classification

This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:

ATC code Group title Classification
H03AA02 Liothyronine sodium H Systemic hormonal preparations, excl. Sex hormones and insulins → H03 Thyroid therapy → H03A Thyroid preparations → H03AA Thyroid hormones
Discover more medicines within H03AA02

Product monographs

Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):

Title Information Source Document Type  
IRAKSIN Tablet Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC
CYTOMEL Tablet FDA, National Drug Code (US) MPI, US: SPL/PLR

Structural formula

Graphic representation of the active ingredient's molecular structure

External identifiers

CAS Substance: 55-06-1
CAS Substance: 6893-02-3
DrugBank Drug: DB00279
PubChem Compound: 5920
RxNorm Ingredient: 142448
SNOMED-CT Concept: 61275002
Liothyronine (substance)
UNII Identifier: 06LU7C9H1V
LIOTHYRONINE

Medicines

Liothyronine is an active ingredient of these brands:

United States (US)

Australia (AU)

Austria (AT)

Canada (CA)

Estonia (EE)

  • CYNOMEL as LIOTHYRONINE SODIUM
  • THYBON as LIOTHYRONINE HYDROCHLORIDE

  • (combination) NOVOTHYRAL as LIOTHYRONINE SODIUM

France (FR)

  • CYNOMEL as LIOTHYRONINE SODIUM

  • (combination) EUTHYRAL as LIOTHYRONINE SODIUM

Japan (JP)

Malta (MT)

  • CYNOMEL as LIOTHYRONINE SODIUM
  • CYTOMEL as LIOTHYRONINE SODIUM
  • T3 as LIOTHYRONINE SODIUM

Mexico (MX)

Netherlands (NL)

Poland (PL)

Romania (RO)

Turkey (TR)

  • TIROMEL as LIOTHYRONINE SODIUM

  • (combination) BITIRON as LIOTHYRONINE SODIUM

Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide.

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