May be stored at RT for short-term only. Long-term storage is recommended at 4°C. Hygroscopic. Under Inert Atmosphere.. For maximum recovery of product, centrifuge the original vial prior to removing the cap.
References
Bhargava, K., et al.: Br. J. Pharmcol., 24, 641 (1965), Bolton, T., et al.: J. Physiol., 570, 5 (2006)