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Medical Definition of calcium pantothenate. : a white powdery salt C18H32CaN2O10 made synthetically and used as a source of pantothenic acid.
Panthenol (pantothenol) is the alcohol analog of pantothenic acid (vitamin B 5), and is thus a provitamin of B 5.In organisms it is quickly oxidized to pantothenate.anthenol is a highly viscous transparent liquid at room temperature, but salts of pantothenic acid (for example sodium pantothenate) are powders (typically white). It is soluble in water, alcohol and propylene glycol, soluble in ether and chloroform, and slightly soluble in glycerin.