May be stored at RT for short-term only. Long-term storage is recommended at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.
References
Monsarrat, B., et al.: Drug Metab. Dispos., 18, 895 (1990), Walle, T., et al.: Biochem. Pharm., 46, 1661 (1993), Harris, J., et al.: J. Med. Chem., 37, 706 (1994)