Magnesium oxide

Chemical formula: MgO  Molecular mass: 40.304 g/mol  PubChem compound: 14792

Active ingredient description

Magnesium oxide (MgO), or magnesia, is an empirical formula of MgO and consists of a lattice of Mg2+ ions and O2− ions held together by ionic bonding.

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
A02AA02 Magnesium oxide A Alimentary tract and metabolism → A02 Drugs for acid related disorders → A02A Antacids → A02AA Magnesium compounds
Discover more medicines within A02AA02
A06AD02 Magnesium oxide A Alimentary tract and metabolism → A06 Laxatives → A06A Laxatives → A06AD Osmotically acting laxatives
Discover more medicines within A06AD02
A12CC10 Magnesium oxide A Alimentary tract and metabolism → A12 Mineral supplements → A12C Other mineral supplements → A12CC Magnesium
Discover more medicines within A12CC10

Structural formula

Graphic representation of the active ingredient's molecular structure

External identifiers

CAS Substance: 1309-48-4
DrugBank Drug: DB01377
KEGG Drug: D01167
PubChem Compound: 14792
RxNorm Ingredient: 6582
SNOMED-CT Concept: 66389008
Magnesium oxide (substance)
UNII Identifier: 3A3U0GI71G


Magnesium oxide is an active ingredient of these brands:

United States (US)

Austria (AT)

Brazil (BR)

Croatia (HR)

Cyprus (CY)

Ecuador (EC)

Estonia (EE)

Finland (FI)

France (FR)

Germany (DE)

Hong Kong (HK)

Ireland (IE)

Israel (IL)

Japan (JP)

Lithuania (LT)

Malta (MT)

Netherlands (NL)

New Zealand (NZ)

Nigeria (NG)

Poland (PL)

Romania (RO)

Singapore (SG)

South Africa (ZA)

Spain (ES)

Tunisia (TN)

Turkey (TR)

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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