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Research notes

Articles on peptide testing, storage and research supply.

October 15, 2026

Sterility, Endotoxins and Heavy Metals: What a Peptide Test Report Doesn’t Cover

A typical peptide test report answers three questions: is this the right compound, how much of it is there, and how pure is it? Those answers matter, but they are not the whole picture. Several properties that laboratories care about are measured with entirely separate methods, and a report only covers the tests that were…

Read article: Sterility, Endotoxins and Heavy Metals: What a Peptide Test Report Doesn’t Cover

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