Chemical formula of vitamin A (molecular structure 3D schematic diagram)
Vitamin A is a fat soluble vitamin, an organic compound with the chemical formula C20H30O. It is stable to heat, acid, and alkali, and is easily oxidized. Ultraviolet radiation can promote its oxidative damage. Vitamin A includes A1 and A2, with A1 being retinol. Vitamin A2, also known as 3-dehydroretinol, has a physiological activity that is 40% of that of vitamin A1.