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Certificates of Analysis

Look up a certificate by the batch or lot number printed on your vial label.

How to read a peptide certificate of analysis

Looking for a COA by product instead? Browse all COAs.

All COAs by product

Every compound in the catalogue appears here, whether or not a certificate has been released for it yet. Where one has, the measured purity, test date and laboratory are shown and the certificate itself can be downloaded; the lot number and analytical method are on the record for each compound.

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Research use only: The analytical data published on this page describes the identity and purity of a chemical intended for in vitro laboratory research only. It is not a drug, food or cosmetic, and it is not intended to diagnose, treat, cure or prevent anything. Materials should be handled only by qualified laboratory personnel.

Straight from the laboratory

The records below are served live by ILS Laboratories, the independent lab that ran the analysis. They are not our copy of the results — they are the lab's, shown here so you can check them without taking our word for anything.

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