What Is a Peptide COA? A Certificate of Analysis Explained
A peptide COA is a Certificate of Analysis that reports laboratory testing performed on a peptide sample or batch. Depending on what was actually tested, the report may contain results…
Testing Explained
How Much Peptide Is in a Vial? How to Know for Sure
The only reliable way to know how much peptide is actually in a vial is to measure it with an appropriate quantitative laboratory assay. The label tells you what the…
What Does 99% Peptide Purity Actually Mean?
A 99% peptide purity result generally means that about 99% of the detected chromatographic signal was attributed to the main peptide peak under the specific test conditions. It does not…