The reference substances and reference materials of the Central Inspection Institute are
How long is the valid period of the reference materials and reference materials of the Central Inspection Institute? I believe that as long as the personnel who have purchased the products of the Central Inspection Institute will always have such a question? Because there is no valid period marked on the packaging of the purchased products or the instructions of the reference materials, this can't help but make us question? Then this issue of the National Standard Network will answer you
The standards and reference substances of the Central Inspection Institute refer to the practices of similar international institutions. Most national drug standard substances do not need to set a valid period, but can continuously monitor the quality stability of the currently valid batches on sale. Some national drug standard substances have a valid period. Please refer to the valid period notice issued by the National Standard Network every month. Recommended reading:Summary of the valid period of reference materials in December 2018
