Chemically, Carisoprodol 500mg is N-isopropyl-2-methyl-2-propyl-1,3propanediol carbamate. The chemical formulation of Soma is C12H24N2O4. This medication has 260.33 molecular weight. Other elements present in the Carisoprodol (Soma)medication product include tribasic calcium phosphate pot-ium sorbate alginic acid, starch, and magnesium stearate. This is an effective medication that helps you to dispose of muscle spasms.