l  General Information  | 
Product Name  | Calcifediol  | 
General description  | Calcifediol is the major circulating metabolite of VITAMIN D3.  | 
Synonym  | (1R,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol; 25-hydroxyvitamin D3  | 
Purity  | ≥98.0%(HPLC)  | CAS Number  | 19356-17-3  | 
Formula  | C27H44O2  | Molecular Weight  | 400.64  | 
Suitability  | BioReagent, suitable for cell culture, etc.  | 
l  Physical and Chemical Information  | 
Appearance  | Solid  | 
Solubility(25℃)  | DMSO  | ≥50mg/mL  | 
Ethanol  | ≥15mg/mL  | 
Water  | Insoluble  | 
l  Biological Information  | 
Biochem/Physiol
  Actions  | Calcifediol is a major circulating metabolite of vitamin D3 and acts as a competitive inhibitor with an apparent Ki of 3.9 μM. It also suppresses PTH secretion and mRNA (ED50=2 nM).  | 
l  Storage  | 
Storage temp.  | -20℃  | 
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  |