Sodium iodide ¹³¹I Other names: Sodium Iodide I-131

Chemical formula: I-  Molecular mass: 130.907 g/mol  PubChem compound: 167195

Active ingredient description

Iodide is actively transported by the sodium-iodide symporter (NIS) protein, in thyroid follicular cells. Sodium iodide ¹³¹I is used for the treatment of hyperthyroidism and selected cases of thyroid carcinoma. The beta emission of I 131 is responsible for the therapeutic effect.

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
V10XA01 Sodium iodide (131I) V Various → V10 Therapeutic radiopharmaceuticals → V10X Other therapeutic radiopharmaceuticals → V10XA Iodine (131I) compounds
Discover more medicines within V10XA01

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  
HICON Oral solution FDA, National Drug Code (US) MPI, US: SPL/PLR

Structural formula

Graphic representation of the active ingredient's molecular structure

External identifiers

CAS Substance: 7790-26-3
DrugBank Drug: DB09293
KEGG Drug: D02259
PubChem Compound: 167195
SNOMED-CT Concept: 111160004
Sodium iodide (131-I) (substance)
UNII Identifier: 29VCO8ACHH
SODIUM IODIDE I-131

Medicines

Sodium iodide ¹³¹I is an active ingredient of these brands:

United States (US)

Austria (AT)

Cyprus (CY)

Estonia (EE)

France (FR)

Hong Kong (HK)

Lithuania (LT)

Malta (MT)

Poland (PL)

Romania (RO)

Singapore (SG)

Spain (ES)

United Kingdom (UK)

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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