A lot is a defined production quantity. Each lot receives its own analytical record so that laboratory findings can be attributed to a specific, physically identifiable sample.
What good traceability looks like
- The lot number appears on the packaging and on the COA.
- The laboratory records an accession number that uniquely identifies the tested sample.
- The COA references both the lot and the accession, so a third party can verify the chain.
You can verify Groppi American Peptides lot records in the COA Library using either the accession number or the lot number.



