Once you enter the Lot number and Product Code, the system will generate the most recent version of the COA. This ensures that any "UPD" (updates) to the retest dates are reflected in the file you download. The Importance of Keeping Updated Records
During audits, a "UPD" search ensures you have the most recent version of the document issued by the manufacturer, rather than an outdated paper copy. How to Retrieve Your Unichem COA unichem chemical reagents certificate of analysis upd
Using a reagent past its true stability point can ruin expensive batches of final products. Conclusion Once you enter the Lot number and Product