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Guide2026-06-01

How to read a certificate of analysis

What the identity, purity, and mass sections of a COA actually tell you.

This note has not been written up yet.

In the meantime, the research guides cover handling and methods, and the certificate library has the lot-matched results for anything in the catalogue.

For laboratory research use only. Not for human or veterinary use. This article is general handling information, not guidance for any other application.

How to read a certificate of analysis | Pro Peptide