When we do a retest for customers, they frequently ask why we can’t re-start the shelf life? After some explanation, they accept why, but then they ask the question, how long can we keep the raw material before it must be consumed? 1.26K viewsOctober 10, 2022DrugsPharmaceutical 0 Sam Smith11.38K October 1, 2020 0 Comments Spread the loveSpread the love 1 Answer ActiveVotedNewestOldest 0 Blogolu28.38K Posted October 1, 2020 0 Comments Spread the loveIt depends on the impurity profile and the stability data that you have on the compound. You should use sound science and your good judgment. Spread the love Login