Buy MXPr in the highest quality powder form. Buy MXPr in the quantities 0.25, 0.5g, 1g, 2g, or 5g.
This compound is most stable when stored in the freezer, as it seems to be most stable when stored at -20 Celcius. If this is not possible, simply ensure to store the MXPr in a dry and cool place for maximum shelf-life. When handling research chemicals ensure to always take the proper precautions in the laboratory like wiping down surfaces and wearing gloves, a mask & protective clothing.
When working with MXPr, make sure that you use highly sensitive equipment capable of measuring milligram dosages. Chemicals of this potency are very strong and should be treated with care.