Vitamin D3 (V676045) isomer. Vitamin D3 mediates intestinal calcium absorbtion, bone calcium metabolism and many other processes. During exposure to sunlight 7-dehydrocholesterol in converted to pre-vitamin D3, which undergoes a rapid transformation within the plasma membrane to vitamin D3.
ChEBI: Previtamin D3 is a hydroxy seco-steroid which is an intermediate in the production of vitamin D3 in human skin. It has a role as a human metabolite. It is a secondary alcohol, a member of D3 vitamins, a hydroxy seco-steroid and a seco-cholestane.
