l  General Information  | 
Product Name  | Vitamin D2  | 
General description  | Vitamin D2 is a selective inhibitor of mammalian DNA polymerase A (pol A) with IC50 of 123 mM.  | 
Synonym  | Ergocalciferol  | 
Purity  | ≥98.0%(HPLC)  | CAS Number  | 50-14-6  | 
Formula  | C28H44O  | Molecular Weight  | 396.659  | 
Suitability  | BioReagent, suitable for cell culture, etc.  | 
l  Physical and Chemical Information  | 
Appearance  | Solid  | 
Solubility(25°C)  | DMSO  | ≥5mg/ml  | 
Ethanol  | ≥45mg/ml  | 
Water  | Very slightly soluble  | 
l  Biological Information  | 
Biochem/Physiol
  Actions  | Vitamin D2, a fat-soluble vitamin important for many biochemical processes including the absorption and metabolism of calcium and phosphorus. In vivo, ergocalciferol is formed after sun (ultraviolet) irradiation of plant-derived ergosterol, another form of vitamin D. Ergocalciferol is the form of vitamin D usually found in vitamin supplements.  | 
l  Storage  | 
Storage temp.  | -20°C  | 
l  Precautions and Disclaimer  | 
This product is for R&D use only, not for drug, household, or other uses.  | 
l  References  | 
1.    http://www.drugbank.ca 2.    https://ncit.nci.nih.gov 3.    https://www.ncbi.nlm.nih.gov  |