Vitamin D3 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.Solubility:As ReportedAtmosphere:Inert GasMethod for Determining Identity:Proton NMR (CDCl3) and Mass Spectrometric AnalysisTLC Conditions:As ReportedStorage and Stability:Long-term storage is recommended at -86°C under Inert gas. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Light, and temperature sensitive. Store under Inert atmophere.Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.
