The active metabolite of Vitamin D2 (V676040).
This product may be used as an analytical standard.
ChEBI: A hydroxycalciol that is vitamin D2 bearing additional hydroxy substituents at positions 1alpha and 25.
1α,25-Dihydroxyvitamin D2?is an active form of vitamin D2. It is also known as ercalcitriol or 1α,25-dihydroxyergocalciferol. It was first isolated from mitochondria of chick kidney.
Ergocalciferol (vitamin D2) is activated in vivo by hydroxylation to 25-hydroxyergocalciferol and 1α,25-dihydroxycalciferol. Activated Vitamin D2 molecules may be used in a wide range of studies to assess their effects on functions such as immune function and calcium homeostasis.