Most important vitamin of the provitamins D. Usually obtained from yeast which synthesizes it from simple sugars such as glucose.Melting Point:159-160°CLoss on Drying:≤1%Solubility:ChloroformSpecific Rotation (c=1, CHCl3): As reportedStorage and Stability:May be stored at 4°C. For long-term storage, aliquot and store at 4°C. Aliquots are stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer.
