Vitamin D2 来源于植物或膳食补充剂，能够用作维生素 D 的补充剂。

Ergocalciferol (Vitamin D2) is a derivative of ergosterol formed by ultraviolet rays breaking of the C9-C10 bond with a strong inhibitory effect against bladder tumor promotion by sodium saccharin, and it induces cell differentiation in leukemia cells. Vitamin D2 is an inhibitor of DNA Polymerase.

50-14-6

C28H44O

396.659

Ergocalciferol;维生素D2;Calciferol;Ercalciol

DMSO:16 mg/mL (40.3 mM)
Ethanol:74 mg/mL (186.6 mM)
H2O:<1 mgml
Powder: -20°C for 3 years
In solvent: -80°C for 2 years