COA Library
Every lot ships with an independent Certificate of Analysis. Request the COA for any lot, before or after purchase.
What's in a COA
RP-HPLC chromatographic purity, ESI/MS identity, peptide content, counter-ion and water content (Karl Fischer), appearance, and lot/expiry — the analytical packet a citable methods section needs.
How to request
Have your product name and lot number ready and reach out — we'll send the matching COA.
A searchable online COA archive is coming soon.