magnesium carbonate 83.970 84.31390 A magnesium salt with formula CMgO3. Its hydrated forms, particularly the di-, tri-, and tetrahydrates occur as minerals. CAS:546-93-0 CHEBI:31793 CMgO3 CO3.Mg InChI=1S/CH2O3.Mg/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2 KEGG:C12893 Magnesium carbonate Magnesium carbonate anhydrous Magnesiumkarbonat MgCO3 Wikipedia:Magnesium_Carbonate ZLNQQNXFFQJAID-UHFFFAOYSA-L [Mg++].[O-]C([O-])=O chebi_ontology magnesium carbonate magnesium salt carbonate salt one-carbon compound