Store at -20°C under inert atmosphere. FLight Sensitive, Temperature Sensitive. For maximum recovery of product, centrifuge the original vial prior to removing the cap.
References
Sidek, H., et al.: Biochim. Biophys. Acta, 801, 26 (1984), Ciftci, M., et al.: J. Pharmacol., 54, 275 (2002)