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Batch verification
Verify your batch
Every Purivial vial ships with a batch-specific Certificate of Analysis. Enter the lot number printed on your label to pull the COA for your exact batch.
What every COA shows
HPLC purity99% or higher, with the chromatogram
Mass-spec identityconfirms the molecule is what the label says
Sterilitytested to meet requirements
Bacterial endotoxinswell under the limit
Related substancesindividual and total impurities quantified
Assayconfirms the labeled dose is present
New to reading a COA? Start with Peptide COAs Explained.